City Research Online

Maraveas, C. ORCID: 0000-0003-2140-615X, Rajarajan, M. ORCID: 0000-0001-5814-9922, Arvanitis, K. G. ORCID: 0000-0002-5778-6644 & Vatsanidou, A. ORCID: 0000-0002-7471-4378view all authors (2024). Cybersecurity threats and mitigation measures in agriculture 4.0 and 5.0. Smart Agricultural Technology, 9, article number 100616. doi: 10.1016/j.atech.2024.100616

Dixit, A. ORCID: 0000-0002-5476-0772, Zarpelao, B. B., Smith-Creasey, M. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2024). A privacy-aware authentication and usage-controlled access protocol for IIoT decentralized data marketplace. Computers & Security, 146, article number 104050. doi: 10.1016/j.cose.2024.104050

Boiarkin, V., Bogaz Zarpelao, B., Al-Zaili, J. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2024). A Privacy-Preserving User-Centric Data-Sharing Scheme. IEEE Access, 12, pp. 149977-149987. doi: 10.1109/access.2024.3476209

Yazdaninejad, H., Rajarajan, M. ORCID: 0000-0001-5814-9922 & Krol, M. ORCID: 0000-0002-3437-8621 (2024). A Blockchain-enabled and Transparent Evaluation of ML Models in the Decentralised Marketplace. In: 2024 IEEE International Conference on Blockchain (Blockchain). 2024 IEEE International Conference on Blockchain (Blockchain), 19-22 Aug 2024, Copenhagen, Denmark. doi: 10.1109/blockchain62396.2024.00067

Bukhari, A., Miettinen, J. & Rajarajan, M. ORCID: 0000-0001-5814-9922 (2024). Defining Unified Signature API Library for Mobile Apps to Integrate with Secure Signature Creation Devices (SSCDs). In: 2024 IEEE International Conference on Blockchain (Blockchain). 2024 IEEE International Conference on Blockchain (Blockchain), 19-22 Aug 2024, Copenhagen, Denmark. doi: 10.1109/blockchain62396.2024.00091

Pujari, C., Muniyal, B., B, C. C. , Rao, A., Sadiname, V. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2023). Identity resilience in the digital health ecosystem: A key recovery-enabled framework. Computers in Biology and Medicine, 167, article number 107702. doi: 10.1016/j.compbiomed.2023.107702

Behbehani, D., Komninos, N. ORCID: 0000-0003-2776-1283, Al-Begain, K. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2023). Cloud Enterprise Dynamic Risk Assessment (CEDRA): a dynamic risk assessment using dynamic Bayesian networks for cloud environment. Journal of Cloud Computing, 12(1), article number 79. doi: 10.1186/s13677-023-00454-2

Boiarkin, V., Zarpelao, B. B., Rajarajan, M. ORCID: 0000-0001-5814-9922 , Roy, R. & Tapper, K. ORCID: 0000-0001-9097-6311view all authors (2023). Local Differential Privacy-Based Data-Sharing Scheme for Smart Utilities. In: Proceedings of the 20th International Conference on Manufacturing Research. 20th International Conference on Manufacturing Research, 6-8 Sep 2023, Aberystwyth, UK. doi: 10.3233/atde230930

Haque, S., El-Moussa, F., Komninos, N. ORCID: 0000-0003-2776-1283 & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2023). A Systematic Review of Data-Driven Attack Detection Trends in IoT. Sensors, 23(16), article number 7191. doi: 10.3390/s23167191

Selvarathnam, M., Ragel, R., Reyes-Aldasoro, C. C. ORCID: 0000-0002-9466-2018 & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2023). Privacy vs Utility analysis when applying Differential Privacy on Machine Learning Classifiers. In: 2023 19th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob). IEEE International Conference on Wireless and Mobile Computing, Networking And Communications (WiMob), 21-23 Jun 2023, Montreal, QC, Canada. doi: 10.1109/WiMob58348.2023.10187829

Boiarkin, V., Rajarajan, M. ORCID: 0000-0001-5814-9922, Al-Zaili, J. ORCID: 0000-0003-4072-2107 & Asif, W.view all authors (2023). A novel dynamic pricing model for a microgrid of prosumers with photovoltaic systems. Applied Energy, 342, article number 121148. doi: 10.1016/j.apenergy.2023.121148

Sivaselvan, N., Vivekananda Bhat, K., Rajarajan, M. ORCID: 0000-0001-5814-9922 & Das, A. K.view all authors (2023). A New Scalable and Secure Access Control Scheme using Blockchain Technology for IoT. IEEE Transactions on Network and Service Management, 20(3), pp. 2957-2974. doi: 10.1109/tnsm.2023.3246120

Sultan, A., Tahir, S., Tahir, H. , Anwer, T., Khan, F., Rajarajan, M. ORCID: 0000-0001-5814-9922 & Rana, O. F.view all authors (2022). A Novel Image-Based Homomorphic Approach for Preserving the Privacy of Autonomous Vehicles Connected to the Cloud. IEEE Transactions on Intelligent Transportation Systems, 24(2), pp. 1-13. doi: 10.1109/tits.2022.3219591

Zahoora, U., Rajarajan, M. ORCID: 0000-0001-5814-9922, Pan, Z. & Khan, A.view all authors (2022). Zero-day Ransomware Attack Detection using Deep Contractive Autoencoder and Voting based Ensemble Classifier. Applied Intelligence, 52(12), pp. 13941-13960. doi: 10.1007/s10489-022-03244-6

Zahoora, U., Khan, A., Rajarajan, M. ORCID: 0000-0001-5814-9922 , Khan, S. H., Asam, M. & Jamal, T.view all authors (2022). Ransomware detection using deep learning based unsupervised feature extraction and a cost sensitive Pareto Ensemble classifier. Scientific Reports, 12(1), article number 15647. doi: 10.1038/s41598-022-19443-7

Sivaselvan, N., Bhattacharyya, K., Rajarajan, M. ORCID: 0000-0001-5814-9922 , Das, A. & Rodrigues, J.view all authors (2022). SUACC-IoT: secure unified authentication and access control system based on capability for IoT. Cluster Computing, 26(4), pp. 2409-2428. doi: 10.1007/s10586-022-03733-w

Dixit, A., Smith-Creasey, M. & Rajarajan, M. ORCID: 0000-0001-5814-9922 (2022). A Decentralized IIoT Identity Framework based on Self-Sovereign Identity using Blockchain. In: 2022 IEEE 47th Conference on Local Computer Networks (LCN). 47th IEEE Conference on Local Computer Networks, 26-29 Sep 2022, Edmonton, Canada. doi: 10.1109/LCN53696.2022.9843700

Smith-Creasey, M., Furnell, S. & Rajarajan, M. ORCID: 0000-0001-5814-9922 (2022). Continuous authentication for IoT smart home environments. Network Security, 2022(4), doi: 10.12968/s1353-4858(22)70031-1

Tahir, S., Tahir, H., Tahir, R. , Rajarajan, M. ORCID: 0000-0001-5814-9922 & Abbas, H.view all authors (2022). Water Is a Viable Data Storage Medium: A Security and Privacy Viewpoint. Electronics, 11(5), article number 818. doi: 10.3390/electronics11050818

Acarali, D. ORCID: 0000-0003-1787-6300, Rajesh Rao, K., Rajarajan, M. ORCID: 0000-0001-5814-9922 , Chema, D. & Ginzburg, M.view all authors (2022). Modelling smart grid IT-OT dependencies for DDoS impact propagation. Computers & Security, 112, article number 102528. doi: 10.1016/j.cose.2021.102528

Balamurugan, C., Singh, K., Ganesan, G. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2021). Post-Quantum and Code-Based Cryptography—Some Prospective Research Directions. Cryptography, 5(4), article number 38. doi: 10.3390/cryptography5040038

Nasir, A., Qureshi, H. K., Ullah, I. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2021). EHA-BeeSensor: Hybrid Protocol for Energy Proficient Routing in IoT Network using Swarm Intelligence. In: 2021 IEEE 26th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD). 26th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), 25-27 Oct 2021, Porto, Portugal. doi: 10.1109/CAMAD52502.2021.9617777

Boiarkin, V., Rajarajan, M. ORCID: 0000-0001-5814-9922 & Asif, W. (2021). Fair Pricing Model for Smart Grids. In: 2021 9th International Conference on Smart Grid and Clean Energy Technologies (ICSGCE). 9th International Conference on Smart Grid and Clean Energy Technologies, 15-17 Oct 2021, Sarawak, Malaysia. doi: 10.1109/ICSGCE52779.2021.9621701

Dixit, A., Singh, A., Rahulamathavan, Y. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2021). FAST DATA: A Fair, Secure and Trusted Decentralized IIoT Data Marketplace enabled by Blockchain. IEEE Internet of Things Journal, 10(4), pp. 2934-2944. doi: 10.1109/jiot.2021.3120640

Tahir, S., Tahir, H., Sajjad, A. , Rajarajan, M. ORCID: 0000-0001-5814-9922 & Khan, F.view all authors (2021). Privacy-preserving COVID-19 Contact Tracing Blockchain. Journal of Communications and Networks, 23(5), pp. 360-373. doi: 10.23919/jcn.2021.000031

Hariri, A., Bandopadhyay, S., Rizos, A. , Dimitrakos, T., Crispo, B. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2021). SIUV: A Smart Car Identity Management and Usage Control System Based on Verifiable Credentials. In: ICT Systems Security and Privacy Protection. 36th IFIP TC 11 International Conference, SEC 2021, 22-24 Jun 2021, Oslo, Norway. doi: 10.1007/978-3-030-78120-0_3

Rahulamathavan, Y., Dogan, S., Shi, X. , Lu, R., Rajarajan, M. ORCID: 0000-0001-5814-9922 & Kondoz, A.view all authors (2021). Scalar Product Lattice Computation for Efficient Privacy-Preserving Systems. IEEE Internet of Things Journal, 8(3), pp. 1417-1427. doi: 10.1109/jiot.2020.3014686

Acarali, D., Rajarajan, M., Chema, D. & Ginzburg, M.view all authors (2021). A Characterisation of Smart Grid DoS Attacks. In: Wang, D., Meng, W. & Han, J. (Eds.), Security and Privacy in New Computing Environments. SPNCE 2020. doi: 10.1007/978-3-030-66922-5_1

Rao, K. R., Nayak, A., Ray, I. G. , Rahulamathavan, Y. & Rajarajan, M. ORCID: 0000-0001-5814-9922view all authors (2021). Role recommender-RBAC: Optimizing user-role assignments in RBAC. Computer Communications, 166, pp. 140-153. doi: 10.1016/j.comcom.2020.12.006

Misra, S., Mukherjee, A., Roy, A. , Saurabh, N., Rahulamathavan, Y. & Rajarajan, M.view all authors (2021). Blockchain at the Edge: Performance of Resource-Constrained IoT Networks. IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS, 32(1), pp. 174-183. doi: 10.1109/tpds.2020.3013892

Alharbi, A. S., Halikias, G. ORCID: 0000-0003-1260-1383, Rajarajan, M. & Yamin, M.view all authors (2021). A review of effectiveness of Saudi E-government data security management. International Journal of Information Technology, 13(2), pp. 573-579. doi: 10.1007/s41870-021-00611-3

Dixit, A., Asif, W. & Rajarajan, M. ORCID: 0000-0001-5814-9922 (2020). Smart-Contract Enabled Decentralized Identity Management Framework for Industry 4.0. In: IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society. IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, 19-21 Oct 2020, Online.

Altamimi, F., Asift, W. & Rajarajan, M. ORCID: 0000-0001-5814-9922 (2020). DADS: Decentralized (Mobile) Applications Deployment System Using Blockchain. In: Proceedings of the 2020 international conference on computer, information and telecommunication systems (CITS). 2020 International Conference on Computer, Information and Telecommunication Systems (CITS), 5-7 Oct 2020, Hangzhou, China. doi: 10.1109/CITS49457.2020.9232506

Boiarkin, V., Asif, W. & Rajarajan, M. ORCID: 0000-0001-5814-9922 (2020). Decentralized Demand Response Power Management System for Smart Grids. In: 2020 IEEE 8th International Conference on Smart Energy Grid Engineering (SEGE). 8th International Conference on Smart Energy Grid Engineering (SEGE), 12-14 Aug 2020, Oshawa, ON, Canada. doi: 10.1109/SEGE49949.2020.9182024

Acarali, D., Rajarajan, M., Chema, D. & Ginzburg, M.view all authors (2020). Modelling DoS Attacks & Interoperability in the Smart Grid. 2020 29th International Conference on Computer Communications and Networks (ICCCN), doi: 10.1109/icccn49398.2020.9209671

Smith-Creasey, M. & Rajarajan, M. (2019). A novel word-independent gesture-typing continuous authentication scheme for mobile devices. Computers and Security, 83, pp. 140-150. doi: 10.1016/j.cose.2019.02.001

Abro, F. I., Rauf, F., Mobeen-ur-Rehman , Chowdhry, B. S. & Rajarajan, M.view all authors (2019). Towards Security of GSM Voice Communication. Wireless Personal Communications, 108(3), pp. 1933-1955. doi: 10.1007/s11277-019-06502-y

García-Magariño, I., Lacuesta, R., Rajarajan, M. & Lloret, J.view all authors (2019). Security in networks of unmanned aerial vehicles for surveillance with an agent-based approach inspired by the principles of blockchain. Ad Hoc Networks, 86, pp. 72-82. doi: 10.1016/j.adhoc.2018.11.010

Rahulamathavan, Y., Sutharsini, K. R., Ray, I. G. , Lu, R. & Rajarajan, M.view all authors (2019). Privacy-Preserving iVector-Based Speaker Verification. IEEE/ACM Transactions on Audio, Speech, and Language Processing, 27(3), pp. 496-506. doi: 10.1109/taslp.2018.2882731

Maloku, H., Fazliu, Z. L., Ibrani, M. , Mekuli, A., Sela, E. & Rajarajan, M.view all authors (2019). Measurement of frequency occupancy levels in TV bands in urban environment in Kosovo. In: 2018 18th Mediterranean Microwave Symposium (MMS). 2018 18th Mediterranean Microwave Symposium (MMS), 31 October - 02 Nov 2018, Istanbul, Turkey. doi: 10.1109/MMS.2018.8612014

Tahir, S., Ruj, S., Sajjad, A. & Rajarajan, M.view all authors (2019). Fuzzy keywords enabled ranked searchable encryption scheme for a public Cloud environment. Computer Communications, 133, pp. 102-114. doi: 10.1016/j.comcom.2018.08.004

Acarali, D., Rajarajan, M., Komninos, N. ORCID: 0000-0003-2776-1283 & Zarpelao, B.view all authors (2019). Modelling the Spread of Botnet Malware in IoT-Based Wireless Sensor Networks. Security and Communication Networks, 2019, pp. 1-13. doi: 10.1155/2019/3745619

Rao, K. R., Ray, I. G., Asif, W. , Nayak, A. & Rajarajan, M.view all authors (2019). R-PEKS: RBAC Enabled PEKS for Secure Access of Cloud Data. IEEE ACCESS, 7, pp. 133274-133289. doi: 10.1109/access.2019.2941560

Smith-Creasey, M. & Rajarajan, M. (2019). A novel scheme to address the fusion uncertainty in multi-modal continuous authentication schemes on mobile devices. 2019 International Conference on Biometrics (ICB), doi: 10.1109/ICB45273.2019.8987390

Smith-Creasey, M., Albalooshi, F. A. & Rajarajan, M. (2018). Continuous face authentication scheme for mobile devices with tracking and liveness detection. Microprocessors and Microsystems, 63, pp. 147-157. doi: 10.1016/j.micpro.2018.07.008

Markovic, M., Corsar, D., Asif, W. , Edwards, P. & Rajarajan, M.view all authors (2018). Towards Transparency of IoT Message Brokers. Lecture Notes in Computer Science, 11017, pp. 200-203. doi: 10.1007/978-3-319-98379-0_19

Acarali, D., Rajarajan, M. & Komninos, N. ORCID: 0000-0003-2776-1283 (2018). Evaluating the Provision of Botnet Defences using Translational Research Concepts. In: Samarati, P. & Obaidat, M. S. (Eds.), Proceedings of the 15th International Joint Conference on e-Business and Telecommunications (ICETE 2018) - Volume 2: SECRYPT. 15th International Joint Conference on e-Business and Telecommunications, ICETE 2018, 26 - 27 July 2018, Porto, Portugal. doi: 10.5220/0006884405140519

Tahir, S., Steponkus, L., Ruj, S. , Rajarajan, M. & Sajjad, A.view all authors (2018). A parallelized disjunctive query based searchable encryption scheme for big data. Future Generation Computer Systems, 109, pp. 583-592. doi: 10.1016/j.future.2018.05.048

Ghosh Ray, I., Rahulamathavan, Y. & Rajarajan, M. (2018). A New Lightweight Symmetric Searchable Encryption Scheme for String Identification. IEEE Transactions on Cloud Computing, 8(3), doi: 10.1109/tcc.2018.2820014

Asif, W., Rajarajan, M. & Lestas, M. (2018). Increasing user controllability on device specific privacy in the Internet of Things. Computer Communications, 116, pp. 200-211. doi: 10.1016/j.comcom.2017.11.009

Somani, G., Gaur, M. S., Sanghi, D. , Conti, M. & Rajarajan, M.view all authors (2017). Scale Inside-Out: Rapid Mitigation of Cloud DDoS Attacks. IEEE Transactions on Dependable and Secure Computing, 15(6), pp. 959-973. doi: 10.1109/tdsc.2017.2763160

Maloku, H., Hamiti, E., Limani, Z. , Papadopoulou Lesta, V., Pitsillides, A. & Rajarajan, M.view all authors (2017). A decentralized approach for self-coexistence among heterogeneous networks in TVWS. IEEE Transactions on Vehicular Technology, 67(2), pp. 1302-1312. doi: 10.1109/tvt.2017.2755605

Ray, I. G. & Rajarajan, M. (2017). A public key encryption scheme for string identification. 2017 IEEE Trustcom/BigDataSE/ICESS, 2014, pp. 104-111. doi: 10.1109/trustcom/bigdatase/icess.2017.226

Smith-Creasey, M. & Rajarajan, M. (2017). Adaptive threshold scheme for touchscreen gesture continuous authentication using sensor trust. 2017 IEEE Trustcom/BigDataSE/ICESS, pp. 554-561. doi: 10.1109/Trustcom/BigDataSE/ICESS.2017.284

Tahir, S. F., Ruj, S. & Rajarajan, M. (2017). An efficient disjunctive query enabled ranked searchable encryption scheme. 2017 IEEE Trustcom/BigDataSE/ICESS, 7859, pp. 425-432. doi: 10.1109/trustcom/bigdatase/icess.2017.267

Saadat Beheshti, S. M. R., Liatsis, P. & Rajarajan, M. (2017). A CAPTCHA model based on visual psychophysics: Using the brain to distinguish between human users and automated computer bots. Computers and Security, 70, pp. 596-617. doi: 10.1016/j.cose.2017.08.006

Choo, K-K. R., Rana, O. F. & Rajarajan, M. (2017). Cloud Security Engineering: Theory, Practice and Future Research. IEEE Transactions on Cloud Computing, 5(3), pp. 372-374. doi: 10.1109/tcc.2016.2582278

Tahir, S. F., Ruj, S., Rahulamathavan, Y. , Rajarajan, M. & Glackin, C.view all authors (2017). A New Secure and Lightweight Searchable Encryption Scheme over Encrypted Cloud Data. IEEE Transactions on Emerging Topics in Computing, 7(4), pp. 530-544. doi: 10.1109/tetc.2017.2737789

Abro, F. I., Rajarajan, M., Chen, T. & Rahulamathavan, Y.view all authors (2017). Android application collusion demystified. Communications in Computer and Information Science, 759, pp. 176-187. doi: 10.1007/978-3-319-65548-2_14

Idrees, F., Rajarajan, M., Conti, M. , Chen, T. & Rahulamathavan, Y.view all authors (2017). PIndroid: A novel Android malware detection system using ensemble learning methods. Computers and Security, 68, pp. 36-46. doi: 10.1016/j.cose.2017.03.011

Glackin, C., Chollet, G., Dugan, N. , Cannings, N., Wall, J., Tahir, S. F., Ray, I. G. & Rajarajan, M.view all authors (2017). Privacy preserving encrypted phonetic search of speech data. 2017 IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, pp. 6414-6418. doi: 10.1109/icassp.2017.7953391

Arunkumar, S., Soyluoglu, B., Sensoy, M. , Srivatsa, M. & Rajarajan, M.view all authors (2017). Location attestation and access control for mobile devices using GeoXACML. Journal of Network and Computer Applications, 80, pp. 181-188. doi: 10.1016/j.jnca.2016.11.028

Arsalan, M., Qureshi, A., Khan, A. U. & Rajarajan, M.view all authors (2017). Protection of medical images and patient related information in healthcare: Using an intelligent and reversible watermarking technique. Applied Soft Computing Journal, 51, pp. 168-179. doi: 10.1016/j.asoc.2016.11.044

Somani, G., Gaur, M. S., Sanghi, D. , Conti, M., Rajarajan, M. & Buyya, R.view all authors (2017). Combating DDoS attacks in the cloud: Requirements, trends, and future directions. IEEE Cloud Computing, 4(1), pp. 22-32. doi: 10.1109/mcc.2017.14

Rajarajan, M. & Yogachandran, R. (2017). Efficient Privacy-Preserving Facial Expression Classification. IEEE Transactions on Dependable and Secure Computing, 14(3), pp. 326-338. doi: 10.1109/tdsc.2015.2453963

Gajrani, J., Tripathi, M., Laxmi, V. , Gaur, M. S., Conti, M. & Rajarajan, M.view all authors (2017). sPECTRA: a Precise framEwork for analyzing CrypTographic vulneRabilities in Android apps. 2017 14th IEEE Annual Consumer Communications & Networking Conference (CCNC), 48, pp. 854-860. doi: 10.1109/ccnc.2017.7983245

Somani, G., Gaur, M. S., Sanghi, D. , Conti, M. & Rajarajan, M.view all authors (2016). DDoS victim service containment to minimize the internal collateral damages in cloud computing. Computers and Electrical Engineering, 59, pp. 165-179. doi: 10.1016/j.compeleceng.2016.12.004

Asif, W., Lestas, M., Khaliq Qureshi, H. & Rajarajan, M.view all authors (2016). Optimization based spectral partitioning for node criticality assessment. Journal of Network and Computer Applications, 75, pp. 279-292. doi: 10.1016/j.jnca.2016.09.003

Acarali, D., Rajarajan, M., Komninos, N. & Herwono, I.view all authors (2016). Survey of Approaches and Features for the Identification of HTTP-Based Botnet Traffic. Journal of Network and Computer Applications, 76, pp. 1-15. doi: 10.1016/j.jnca.2016.10.007

Rahulamathavan, Y., Rajarajan, M. & Phan, R. C. W. (2016). Smart, secure and seamless access control scheme for mobile devices. 2016 IEEE International Conference on Communications, ICC 2016, 3494, pp. 1-6. doi: 10.1109/icc.2016.7510837

Asif, W., Qureshi, H. K., Rajarajan, M. & Lestas, M.view all authors (2016). Combined Banzhaf & Diversity Index (CBDI) for critical node detection. Journal of Network and Computer Applications, 64, pp. 76-88. doi: 10.1016/j.jnca.2015.11.025

Rahulamathavan, Y., Veluru, S., Han, J. , Li, F., Rajarajan, M. & Lu, R.view all authors (2016). User Collusion Avoidance Scheme for Privacy-Preserving Decentralized Key-Policy Attribute-Based Encryption. IEEE Transactions on Computers, 65(9), pp. 2939-2946. doi: 10.1109/tc.2015.2510646

Rajarajan, M., Zaidi, K., Nallanathan, A, , Rakocevic, V. & Milojevic, M,view all authors (2016). Host Based Intrusion Detection for VANETs: A statistical approach to Rogue Node Detection. IEEE Transactions on Vehicular Technology, 65(8), pp. 6703-6714. doi: 10.1109/tvt.2015.2480244

Fahad, L. G. & Rajarajan, M. (2015). Integration of discriminative and generative models for activity recognition in smart homes. Applied Soft Computing Journal, 37, pp. 992-1001. doi: 10.1016/j.asoc.2015.03.045

Li, F., Rahulamathavan, Y., Conti, M. & Rajarajan, M.view all authors (2015). Robust access control framework for mobile cloud computing network. Computer Communications, 68(Sept), pp. 61-72. doi: 10.1016/j.comcom.2015.07.005

Naval, S., Laxmi, V., Rajarajan, M. , Gaur, M. S. & Conti, M.view all authors (2015). Employing Program Semantics for Malware Detection. IEEE Transactions on Information Forensics and Security, 10(12), pp. 2591-2604. doi: 10.1109/tifs.2015.2469253

Zaidi, K. & Rajarajan, M. (2015). Vehicular Internet: Security & Privacy Challenges and Opportunities. Future Internet, 7(3), pp. 257-275. doi: 10.3390/fi7030257

Sajjad, A., Rajarajan, M., Zisman, A. & Dimitrakos, T.view all authors (2015). A scalable and dynamic application-level secure communication framework for inter-cloud services. Future generation computer systems: the international journal of grid computing and escience, 48(July), pp. 19-27. doi: 10.1016/j.future.2015.01.018

Rajarajan, M. (2015). A review paper on preserving privacy in mobile environments. Journal of Computer Networks and Applications, 53, pp. 74-90. doi: 10.1016/j.jnca.2015.01.008

Sajjad, A., Rajarajan, M. & Dimitrakos, T. (2015). A low-overhead secure communication framework for an inter-cloud environment. In: Al-Saidi, A., Fleischer, R., Maamar, Z. & Rana, O.view all authors (Eds.), Intelligent Cloud Computing. ICC 2014. International Conference on Intelligent Cloud Computing 2014, 24-02-2014 - 26-02-2014, Muscat, Oman.

Shittu, R., Healing, A., Ghanea-Hercock, R. , Bloomfield, R. E. & Rajarajan, M.view all authors (2015). Intrusion alert prioritisation and attack detection using post-correlation analysis. Computers & Security, 50, pp. 1-15. doi: 10.1016/j.cose.2014.12.003

Fahad, L. G., Khan, A. U. & Rajarajan, M. (2015). Activity recognition in smart homes with self verification of assignments. Neurocomputing, 149(PC), pp. 1286-1298. doi: 10.1016/j.neucom.2014.08.069

Köhnen, C., Überall, C., Rajarajan, M. , Jager, R. & Rakocevic, V.view all authors (2015). Autonomous QoS Management and Policing in Unmanaged Local Area Networks. Journal of Computer Networks and Communications, 2015, pp. 1-24. doi: 10.1155/2015/790375

Asif, W., Lestas, M., Qureshi, H. K. & Rajarajan, M.view all authors (2015). Spectral Partitioning for Node Criticality. 2015 IEEE Symposium on Computers and Communication (ISCC), 2016-February, pp. 877-882. doi: 10.1109/iscc.2015.7405624

Faruki, P., Bharmal, A., Laxmi, V. , Ganmoor, V., Gaur, M. S., Conti, M. & Rajarajan, M.view all authors (2015). Android Security: A Survey of Issues, Malware Penetration, and Defenses. IEEE Communications Surveys and Tutorials, 17(2), pp. 998-1022. doi: 10.1109/comst.2014.2386139

Arunkumar, S., Sensoy, M., Srivatsa, M. & Rajarajan, M.view all authors (2015). Reasoning with Streamed Uncertain Information from Unreliable Sources. Expert Systems with Applications, 42(22), pp. 8381-8392. doi: 10.1016/j.eswa.2015.04.031

Asif, W., Qureshi, M., Lestas, M. & Rajarajan, M.view all authors (2014). CBDI: Combined Banzhaf & Diversity Index for Finding Critical Nodes. Paper presented at the IEEE Globecom, 08-12-2014 - 12-12-2014, Texas, USA.

Adamsky, F., Khayam, S. A., Jaeger, R. & Rajarajan, M.view all authors (2014). Stealing bandwidth from BitTorrent seeders. Computers & Security, 46, pp. 126-140. doi: 10.1016/j.cose.2014.07.009

Zaidi, K., Milojevic, M., Rakocevic, V. & Rajarajan, M.view all authors (2014). Data Centric Rogue Node Detection in VANETs. Paper presented at the IEEE Trustcom, 24-09-2014 - 26-09-2014, Beijing, China.

Fahad, L. G., Tahir, S. F. & Rajarajan, M. (2014). Activity Recognition in Smart Homes using Clustering based Classification. Paper presented at the 22nd International Conference on Pattern Recognition (ICPR), 24-08-2014 - 28-08-2014, Stockholm, Sweden.

Asif, W., Qureshi, A., Iqbal, M. & Rajarajan, M.view all authors (2014). On the Complexity of Average Path length for Biological Networks and Patterns. International Journal of Biomathematics, 07(04), article number 1450038. doi: 10.1142/s1793524514500387

Raoufi, N., Surre, F., Rajarajan, M. , Sun, T. & Grattan, K. T. V.view all authors (2014). Optical sensor for pH monitoring using a layer-by-layer deposition technique emphasizing enhanced stability and re-usability. Sensors and Actuators B Chemical, 195, pp. 692-701. doi: 10.1016/j.snb.2014.01.080

Li, F., Rahulamathavan, Y. & Rajarajan, M. (2014). LSD-ABAC: Lightweight Static and Dynamic Attributes Based Access Control Scheme for Secure Data Access in Mobile Environment. 2014 IEEE 39th Conference on Local Computer Networks (LCN), 6632, pp. 354-361. doi: 10.1109/lcn.2014.6925791

Rahulamathavan, Y., Veluru, S., Phan, R. C. , Chambers, J. A. & Rajarajan, M.view all authors (2014). Privacy-preserving clinical decision support system using gaussian kernel-based classification. IEEE Journal of Biomedical and Health Informatics, 18(1), pp. 56-66. doi: 10.1109/jbhi.2013.2274899

Fiaz, M., Yousaf, R., Hanfi, M. , Asif, W., Qureshi, H. K. & Rajarajan, M.view all authors (2014). Adding the reliability on tree based topology construction algorithms for wireless sensor networks. Wireless Personal Communications, 74(2), pp. 989-1004. doi: 10.1007/s11277-013-1334-2

Rahulamathavan, Y., Moonsamy, V., Batten, L. , Shunliang, S. & Rajarajan, M.view all authors (2014). An Analysis of Tracking Service Settings in Blackberry 10 and Windows Phone 8 Smartphones. In: Information Security and Privacy. Lecture Notes in Computer Science, 14 (8544). (pp. 430-437). Springer.

Veluru, S., Rahulamathavan, Y., Manandhar, S. & Rajarajan, M.view all authors (2014). Correlated Community Estimation Models Over a Set of Names. Paper presented at the IEEE Technically Co-Sponsored Science and Information Conference, 27-08-2014 - 29-08-2014, London, UK.

Li, F., Rahulamathavan, Y. & Rajarajan, M. (2014). Lightweight Static and Dynamic Attributes Based Access Control Scheme for Secure Data Access in Mobile Environment. Paper presented at the 39th IEEE Conference on Local Computer Networks, 08-09-2014 - 11-09-2014, Edmonton, Canada.

Arunkumar, S., Srivatsa, M. & Rajarajan, M. (2014). Location Security - Where to Enforce?. Paper presented at the IEEE MILCOM, 06-10-2014 - 08-10-2014, Baltimore, USA.

Shittu, R., Healing, A., Ghanea-Hercock, R. , Bloomfield, R. E. & Rajarajan, M.view all authors (2014). A New Metric for Prioritising Intrusion Alerts Using Correlation and Outlier Analysis. Paper presented at the 39th IEEE Conference on Local Computer Networks, 08-09-2014 - 11-09-2014, Edmonton, Canada.

Pawar, P. S., Rajarajan, M., Dimitrakos, T. & Zisman, A.view all authors (2014). Trust Assessment Using Cloud Broker. In: Zhou, J., Gal-Oz, N., Zhang, J. & Gudes, E,view all authors (Eds.), Trust Management VIII. IFIP Advances in Information and Communication Technology, 430. (pp. 237-244). Springer.

Adnan, M., Rosi, L., Veluru, S. , Mouseli, M., Longley, P. A. & Rajarajan, M.view all authors (2014). Using Digital Traces for User Profiling: the Uncertainty of Identity Toolset. Paper presented at the ACM Security in Information and Networks, (SIN 2014), 09-09-2014 - 11-09-2014, Glasgow, UK.

Adamsky, F., Khayam, S. A., Jager, R. & Rajarajan, M.view all authors (2014). Who is going to be the next BitTorrent Peer Idol?. Paper presented at the 12th IEEE International Conference on Embedded and Ubiquitous Computing, 26-08-2014 - 28-08-2014, Milan, Italy.

Rahulamathavan, Y., C.-W. Phan, R., Veluru, S. , Cumanan, K & Rajarajan, M.view all authors (2013). Privacy-Preserving Multi-Class Support Vector Machine for Outsourcing the Data Classification in Cloud. IEEE Transactions on Dependable and Secure Computing, 11(5), pp. 467-479. doi: 10.1109/tdsc.2013.51

Raoufi, N., Surre, F., Rajarajan, M. , Sun, T. & Grattan, K. T. V.view all authors (2013). Fibre Optic pH Sensor Using Optimized Layer-by-Layer Coating Approach. IEEE Sensors Journal, 14(1), pp. 47-54. doi: 10.1109/JSEN.2013.2280283

Ueberall, C., Koehnen, C., Rakocevic, V. , Jaeger, R., Hoy, E. & Rajarajan, M.view all authors (2013). Recommendations in a heterogeneous service environment. Multimedia Tools and Applications, 62(3), pp. 785-820. doi: 10.1007/s11042-011-0874-2

Modi, C., Patel, D., Borisaniya, B. , Patel, A. & Rajarajan, M.view all authors (2013). A survey on security issues and solutions at different layers of Cloud computing. The Journal of Supercomputing, 63(2), pp. 561-592. doi: 10.1007/s11227-012-0831-5

Qureshi, H. K., Rizvi, S., Saleem, M. , Khayam, S. A., Rakocevic, V. & Rajarajan, M.view all authors (2013). Evaluation and improvement of CDS-based topology control for wireless sensor networks. Wireless Networks, 19(1), pp. 31-46. doi: 10.1007/s11276-012-0449-9

Veluru, S., Rahulamathavan, Y., Viswanath, P. , Longley, P. & Rajarajan, M.view all authors (2013). E-mail address categorization based on semantics of surnames. Proceedings of the 2013 IEEE Symposium on Computational Intelligence and Data Mining, CIDM 2013 - 2013 IEEE Symposium Series on Computational Intelligence, SSCI 2013, pp. 222-229. doi: 10.1109/CIDM.2013.6597240

Modi, C., Patel, D., Patel, H. , Borisaniya, B., Patel, A. & Rajarajan, M.view all authors (2013). A survey of intrusion detection techniques in Cloud. Journal of Network and Computer Applications, 36(1), pp. 42-57. doi: 10.1016/j.jnca.2012.05.003

Raoufi, N., Surre, F., Sun, T. , Rajarajan, M. & Grattan, K. T. V.view all authors (2012). Wavelength dependent pH optical sensor using the layer-by-layer technique. Sensors and Actuators B Chemical, 169, pp. 374-381. doi: 10.1016/j.snb.2012.05.024

Rizvi, S., Qureshi, H. K., Khayam, S. A. , Rakocevic, V. & Rajarajan, M.view all authors (2012). A1: An energy efficient topology control algorithm for connected area coverage in wireless sensor networks. Journal of Network and Computer Applications, 35(2), pp. 597-605. doi: 10.1016/j.jnca.2011.11.003

Pawar, P. S., Nair, S. K., El-Mousaa, F. , Dimitrakos, T., Rajarajan, M. & Zisman, A.view all authors (2012). Opinion Model Based Security Reputation Enabling Cloud Broker Architecture. Paper presented at the CloudComp 2012 - 3rd International Conference on Cloud Computing, 24 - 26 Sep 2012, Vienna, Austria.

Rajarajan, M., Sajjad, A., Zisman, A. , Nair, S. K. & Dimitrakos, T.view all authors (2012). Secure communication using dynamic VPN provisioning in an Inter-Cloud environment. Paper presented at the ICON 2012: 18th IEEE International Conference on Networks, 12 - 14 Dec 2012, Singapore.

Adamsky, F., Khayam, S. A., Jager, R. & Rajarajan, M.view all authors (2012). Security analysis of the micro transport protocol with a misbehaving receiver. Paper presented at the 2012 International Conference on Cyber-Enabled Distributed Computing and Knowledge Discover, 10 - 12 October 2012, Sanya, China. doi: 10.1109/CyberC.2012.31

Pawar, P. S., Rajarajan, M., Nair, S. K. & Zisman, A.view all authors (2012). Trust Model for Optimized Cloud Services. IFIP Advances in Information and Communication Technology, 374 AI, pp. 97-112. doi: 10.1007/978-3-642-29852-3_7

Rajarajan, M., Adamsky, F., Khan, H. , Khayam, S. A. & Jager, R.view all authors (2011). Destabilizing BitTorrent's clusters to attack high bandwidth lechers. Poster presented at the 18th ACM Conference on Computer and Communications Security (CCS 2011), 17 Oct 2011 - 21 Oct 2011, SWISSÔTEL Chicago, Chicago, IL, USA.

Rajarajan, M., Sajjad, A., Zisman, A. , Nair, S. K. & Dimitrakos, T.view all authors (2011). Dynamic virtual private network provisioning from multiple cloud infrastructure service providers. Paper presented at the 4th European Conference, ServiceWave 2011, 26 - 28 Oct 2011, Poznan, Poland.

Qureshi, H. K., Rizvi, S., Saleem, M. , Khayam, S. A., Rakocevic, V. & Rajarajan, M.view all authors (2011). Poly: A Reliable and Energy Efficient Topology Control Protocol for Wireless Sensor Networks. Computer Communications, 34(10), pp. 1235-1242. doi: 10.1016/j.comcom.2010.12.016

Mohanty, V., Moliya, D., Hota, C. & Rajarajan, M.view all authors (2010). Secure Anonymous Routing for MANETs Using Distributed Dynamic Random Path Selection. Intelligence and Security Informatics, 6122, pp. 65-72. doi: 10.1007/978-3-642-13601-6_8

Nair, S. K., Porwal, S., Dimitrakos, T. , Ferrer, A. J., Tordsson, J., Sharif, T., Sheridan, C., Rajarajan, M. & Khan, A. U.view all authors (2010). Towards secure cloud bursting, brokerage and aggregation. Paper presented at the IEEE European conference on Web Services, 1 Dec 2010 - 3 Dec 2010, Cyprus.

Themistos, C., Rajarajan, M., Rahman, B. M. & Grattan, K. T. V.view all authors (2009). Characterization of Silica Nanowires for Optical Sensing. Journal of Lightwave Technology, 27(24), pp. 5537-5542.

Rajarajan, M., Spackova, B., Piliarik, M. , Kvasnicka, P., Themistos, C. & Homola, J.view all authors (2009). Novel concept of multi-channel fiber optic surface plasmon resonance sensor. Sensors and Actuators B: Chemical, 139(5), pp. 199-203. doi: 10.1016/j.snb.2008.12.020

Elmufti, K., Weerasinghe, D., Rajarajan, M. , Rakocevic, V., Khan, S. & MacDonald, J.view all authors (2008). Mobile Web services authentication using SAML and 3GPP generic bootstrapping architecture. International Journal of Information Security, 8(2), pp. 77-87. doi: 10.1007/s10207-008-0065-y

Weerasinghe, D., Rajarajan, M., Elmufti, K. & Rakocevic, V.view all authors (2008). Patient privacy protection using anonymous access control techniques. Methods of Information in Medicine, 47(03), pp. 235-240. doi: 10.3414/me9116

Rajarajan, M. (1999). Computer Modelling of Compact Photonics Devices for Optical Communications. (Unpublished Doctoral thesis, City, University of London)