5 papers
Standing, Not Truth: Who May Say What About Whom in Agentic Selection
Yedidel Louck, Amit Dvir, Ariel Stulman
Software agents increasingly choose on a user's behalf among competing offerings described by the parties who benefit. A lawful participant, publishing under its own identity, comp…
Signing the Transaction but Not the Decision: Whisper Attacks and a Binding Defense for AP2
Yedidel Louck, Amit Dvir, Ariel Stulman
Software agents are beginning to shop and pay on a person's behalf. Agent payment protocols such as AP2 produce cryptographically valid signatures for completed purchases, yet do n…
Passive Reconnaissance of Routing-Layer Defenses in OLSR-Based MANETs using ML
Nadav Schweitzer, Kiril Danilchenko, Ariel Stulman
Mobile ad hoc networks (MANETs) based on proactive routing protocols such as OLSR, remain vulnerable to routing-layer attacks. While prior work has focused primarily on attack dete…
Security Analysis of Agentic AI Communication Protocols: A Comparative Evaluation
Yedidel Louck, Ariel Stulman, Amit Dvir
Multi-agent systems (MAS) powered by artificial intelligence (AI) are increasingly foundational to complex, distributed workflows. Yet, the security of their underlying communicati…
Improving Google A2A Protocol: Protecting Sensitive Data and Mitigating Unintended Harms in Multi-Agent Systems
Yedidel Louck, Ariel Stulman, Amit Dvir
Googles A2A protocol provides a secure communication framework for AI agents but demonstrates critical limitations when handling highly sensitive information such as payment creden…