activity
20232026
most citedFlowMur: A Stealthy and Practical Audio Backdoor Attack with Limited Knowledge

17 citations · 23 across the 15 of their papers we have counts for

collaborators

16 papers

cs.CR2026

A2ABreak: Systematic Security Analysis of the A2A Protocol

Alireza Lotfi, Mirza Masfiqur Rahman, Imtiaz Karim +1

The Agent2Agent (A2A) protocol, now governed by the Linux Foundation, is an open standard that enables autonomous AI agents to discover, authenticate with, and delegate tasks to on…

cs.NI2026

Abstractions for Network Intelligence: A Reference Architecture for AI at the Wireless Edge

Salil Reddy, Haohuang Wen, Ness Shroff +5

Networks are increasingly adopting AI as are AI applications leveraging networks. Awareness sharing between networks and AI applications promises to unlock higher levels of network…

cs.AI2026

Securing Agentic AI: From Per-Action Checks to Trajectory Assurance

Alireza Lotfi, Subangkar Karmaker Shanto, Imtiaz Karim +1

Autonomous agents are increasingly used to execute consequential tasks in environments governed by operational constraints, organizational policies, regulatory requirements, and te…

cs.CR2026

Breaking 5G on The Lower Layer

Subangkar Karmaker Shanto, Imtiaz Karim, Elisa Bertino

As 3GPP systems have strengthened security at the upper layers of the cellular stack, plaintext PHY and MAC layers have remained relatively understudied, though interest in them is…

cs.CR2025

Proving DNSSEC Correctness: A Formal Approach to Secure Domain Name Resolution

Qifan Zhang, Zilin Shen, Imtiaz Karim +2

The Domain Name System Security Extensions (DNSSEC) are critical for preventing DNS spoofing, yet its specifications contain ambiguities and vulnerabilities that elude traditional…

cs.CR2025

Zero-Trust Strategies for O-RAN Cellular Networks: Principles, Challenges and Research Directions

Charalampos Katsis, Imtiaz Karim, Elisa Bertino

Cellular networks are foundational to modern communication, supporting a broad range of applications, from civilian use to enterprise systems and military tactical networks. The ad…

cs.CR2025

VWAttacker: A Systematic Security Testing Framework for Voice over WiFi User Equipments

Imtiaz Karim, Hyunwoo Lee, Hassan Asghar +4

We present VWAttacker, the first systematic testing framework for analyzing the security of Voice over WiFi (VoWiFi) User Equipment (UE) implementations. VWAttacker includes a comp…

cs.LG2025

How Feasible is Augmenting Fake Nodes with Learnable Features as a Counter-strategy against Link Stealing Attacks?

Mir Imtiaz Mostafiz, Imtiaz Karim, Elisa Bertino

Graph Neural Networks (GNNs) are widely used and deployed for graph-based prediction tasks. However, as good as GNNs are for learning graph data, they also come with the risk of pr…

cs.NI2024

TIMESAFE: Timing Interruption Monitoring and Security Assessment for Fronthaul Environments

Joshua Groen, Simone Di Valerio, Imtiaz Karim +9

5G and beyond cellular systems embrace the disaggregation of Radio Access Network (RAN) components, exemplified by the evolution of the fronthaul (FH) connection between cellular b…

cs.CR2024

CellularLint: A Systematic Approach to Identify Inconsistent Behavior in Cellular Network Specifications

Mirza Masfiqur Rahman, Imtiaz Karim, Elisa Bertino

In recent years, there has been a growing focus on scrutinizing the security of cellular networks, often attributing security vulnerabilities to issues in the underlying protocol d…

cs.CR2024★ 2 cited

Gotta Detect 'Em All: Fake Base Station and Multi-Step Attack Detection in Cellular Networks

Kazi Samin Mubasshir, Imtiaz Karim, Elisa Bertino

Fake base stations (FBSes) pose a significant security threat by impersonating legitimate base stations (BSes). Though efforts have been made to defeat this threat, up to this day,…

cs.CR2023

Segment-Based Formal Verification of WiFi Fragmentation and Power Save Mode

Zilin Shen, Imtiaz Karim, Elisa Bertino

The IEEE 802.11 family of standards, better known as WiFi, is a widely used protocol utilized by billions of users. Previous works on WiFi formal verification have mostly focused o…

cs.CR2023★ 2 cited

Graphene: Infrastructure Security Posture Analysis with AI-generated Attack Graphs

Xin Jin, Charalampos Katsis, Fan Sang +4

The rampant occurrence of cybersecurity breaches imposes substantial limitations on the progress of network infrastructures, leading to compromised data, financial losses, potentia…

cs.CR2023★ 17 cited

FlowMur: A Stealthy and Practical Audio Backdoor Attack with Limited Knowledge

Jiahe Lan, Jie Wang, Baochen Yan +2

Speech recognition systems driven by DNNs have revolutionized human-computer interaction through voice interfaces, which significantly facilitate our daily lives. However, the grow…

cs.CY2023★ 1 cited

Educating for AI Cybersecurity Work and Research: Ethics, Systems Thinking, and Communication Requirements

Sorin Adam Matei, Elisa Bertino

The present study explored managerial and instructor perceptions of their freshly employed cybersecurity workers' or students' preparedness to work effectively in a changing cybers…

cs.CR2023★ 1 cited

Artificial Intelligence Ethics Education in Cybersecurity: Challenges and Opportunities: a focus group report

Diane Jackson, Sorin Adam Matei, Elisa Bertino

The emergence of AI tools in cybersecurity creates many opportunities and uncertainties. A focus group with advanced graduate students in cybersecurity revealed the potential depth…