98 citations · 108 across the 11 of their papers we have counts for
11 papers · 1 filter
A Giant-Step Baby-Step Classifier For Scalable and Real-Time Anomaly Detection In Industrial Control Systems and Water Treatment Systems
Sarad Venugopalan, Sridhar Adepu
The continuous monitoring of the interactions between cyber-physical components of any industrial control system (ICS) is required to secure automation of the system controls, and…
Measuring Stakeholder Agreement and Stability in a Decentralised Organisation
Sarad Venugopalan, Heiko Aydt
A decentralised organisation (DO) is a multi-stakeholder institution where decision making is assigned to various levels of the organisation. Decentralised stakeholders play an imp…
Dance of the DAOs: Building Data Assets as a Use Case
Sarad Venugopalan, Heiko Aydt
Decentralised Autonomous Organisations (DAOs) have recently piqued the interest of participants from diverse backgrounds, including business owners, engineers, individual and insti…
Improving Confidentiality for NFT Referenced Data Stores
Sarad Venugopalan, Heiko Aydt
A non-fungible token (NFT) references a data store location, typically, using a URL or another unique identifier. At the minimum, a NFT is expected to guarantee ownership and contr…
Protecting the Integrity of IoT Sensor Data and Firmware With A Feather-Light Blockchain Infrastructure
Daniel Reijsbergen, Aung Maw, Sarad Venugopalan +3
Smart cities deploy large numbers of sensors and collect a tremendous amount of data from them. For example, Advanced Metering Infrastructures (AMIs), which consist of physical met…
Always on Voting: A Framework for Repetitive Voting on the Blockchain
Sarad Venugopalan, Ivana Stančíková, Ivan Homoliak
Elections repeat commonly after a fixed time interval, ranging from months to years. This results in limitations on governance since elected candidates or policies are difficult to…
EPICTWIN: An Electric Power Digital Twin for Cyber Security Testing, Research and Education
Nandha Kumar Kandasamy, Sarad Venugopalan, Tin Kit Wong +1
Cyber-Physical Systems (CPS) rely on advanced communication and control technologies to efficiently manage devices and the flow of information in the system. However, a wide variet…
BBB-Voting: 1-out-of-k Blockchain-Based Boardroom Voting
Sarad Venugopalan, Ivan Homoliak, Zengpeng Li +1
Voting is a means to agree on a collective decision based on available choices (e.g., candidates), where participants agree to abide by their outcome. To improve some features of e…
Decentralized Lightweight Detection of Eclipse Attacks on Bitcoin Clients
Bithin Alangot, Daniel Reijsbergen, Sarad Venugopalan +1
Clients of permissionless blockchain systems, like Bitcoin, rely on an underlying peer-to-peer network to send and receive transactions. It is critical that a client is connected t…
The Security Reference Architecture for Blockchains: Towards a Standardized Model for Studying Vulnerabilities, Threats, and Defenses
Ivan Homoliak, Sarad Venugopalan, Qingze Hum +3
Blockchains are distributed systems, in which security is a critical factor for their success. However, despite their increasing popularity and adoption, there is a lack of standar…
A Security Reference Architecture for Blockchains
Ivan Homoliak, Sarad Venugopalan, Qingze Hum +1
Due to their interesting features, blockchains have become popular in recent years. They are full-stack systems where security is a critical factor for their success. The main focu…