40 citations · 104 across the 13 of their papers we have counts for
14 papers
A Multi-Client Searchable Encryption Scheme for IoT Environment
Nazatul H. Sultan, Shabnam Kasra-Kermanshahi, Yen Tran +4
The proliferation of connected devices through Internet connectivity presents both opportunities for smart applications and risks to security and privacy. It is vital to proactivel…
Security Challenges when Space Merges with Cyberspace
Vijay Varadharajan, Neeraj Suri
Spaceborne systems, such as communication satellites, sensory, surveillance, GPS and a multitude of other functionalities, form an integral part of global ICT cyberinfrastructures.…
FedDICE: A ransomware spread detection in a distributed integrated clinical environment using federated learning and SDN based mitigation
Chandra Thapa, Kallol Krishna Karmakar, Alberto Huertas Celdran +3
An integrated clinical environment (ICE) enables the connection and coordination of the internet of medical things around the care of patients in hospitals. However, ransomware att…
Software Enabled Security Architecture for Counteracting Attacks in Control Systems
Uday Tupakula, Vijay Varadharajan, Kallol Krishna Karmakar
Increasingly Industrial Control Systems (ICS) systems are being connected to the Internet to minimise the operational costs and provide additional flexibility. These control system…
Software Enabled Security Architecture and Mechanisms for Securing 5G Network Services
Vijay Varadharajan, Uday Tupakula, Kallol Karmakar
The 5G network systems are evolving and have complex network infrastructures. There is a great deal of work in this area focused on meeting the stringent service requirements for t…
Towards a Trust Aware Network Slice based End to End Services for Virtualised Infrastructures
Vijay Varadharajan, Kallol Karmakar, Uday Tupakula +1
Future communication networks such as 5G are expected to support end-to-end delivery of services for several vertical markets with diverging requirements. Network slicing is a key…
Securing Organization's Data: A Role-Based Authorized Keyword Search Scheme with Efficient Decryption
Nazatul Haque Sultan, Maryline Laurent, Vijay Varadharajan
For better data availability and accessibility while ensuring data secrecy, organizations often tend to outsource their encrypted data to the cloud storage servers, thus bringing t…
A Role-Based Encryption Scheme for Securing Outsourced Cloud Data in a Multi-Organization Context
Nazatul Haque Sultan, Vijay Varadharajan, Lan Zhou +1
Role-Based Access Control (RBAC) is a popular model which maps roles to access permissions for resources and then roles to the users to provide access control. Role-Based Encryptio…
Formal Modelling and Verification of Software Defined Network
Jnanamurthy H K, Vijay Varadharajan
In cloud computing, software-defined network (SDN) gaining more attention due to its advantages in network configuration to improve network performance and network monitoring. SDN…
Control of Large-Scale Networked Cyberphysical Systems Using Cryptographic Techniques
Yamin Yan, Zhiyong Chen, Vijay Varadharajan
This paper aims to create a secure environment for networked control systems composed of multiple dynamic entities and computational control units via networking, in the presence o…
Towards a Robust Classifier: An MDL-Based Method for Generating Adversarial Examples
Behzad Asadi, Vijay Varadharajan
We address the problem of adversarial examples in machine learning where an adversary tries to misguide a classifier by making functionality-preserving modifications to original sa…
An MDL-Based Classifier for Transactional Datasets with Application in Malware Detection
Behzad Asadi, Vijay Varadharajan
We design a classifier for transactional datasets with application in malware detection. We build the classifier based on the minimum description length (MDL) principle. This invol…
A Policy based Security Architecture for Software Defined Networks
Vijay Varadharajan, Kallol Karmakar, Uday Tupakula +1
As networks expand in size and complexity, they pose greater administrative and management challenges. Software Defined Networks (SDN) offer a promising approach to meeting some of…
Malytics: A Malware Detection Scheme
Mahmood Yousefi-Azar, Len Hamey, Vijay Varadharajan +1
An important problem of cyber-security is malware analysis. Besides good precision and recognition rate, a malware detection scheme needs to be able to generalize well for novel ma…