activity
20242026
collaborators

13 papers

cs.AI2026

Know Your Agent: Reconnaissance-Driven Pentesting of AI Agents

Or Zion Eliav, Eyal Lenga, Shir Bernstien +1

Traditional pentesting uses reconnaissance at each step to uncover unseen weaknesses, build stronger attacks, and advance the objective; we argue that AI agents require the same tr…

cs.AI2026

PRISM: Recovering Instruction Sets from Language Model Activations

Gilad Gressel, Rahul Pankajakshan, Julia Diament +3

As LLMs are deployed as agents, reliable monitoring requires knowing not only what they output, but which instructions are steering their behavior. This is difficult when models in…

cs.CR2026

One Step to the Side: Why Defenses Against Malicious Finetuning Fail Under Adaptive Adversaries

Itay Zloczower, Eyal Lenga, Gilad Gressel +1

Model providers increasingly release open weights or allow users to fine-tune foundation models through APIs. Although these models are safety-aligned before release, their safegua…

cs.CR2026

Who Owns This Agent? Tracing AI Agents Back to Their Owners

Ruben Chocron, Doron Jonathan Ben Chayim, Eyal Lenga +3

AI agents are increasingly deployed to act autonomously in the world, yet there is still no reliable way to trace a harmful agent back to the account that deployed it. This creates…

cs.AI2026

GAVEL: Towards Rule-Based Safety Through Activation Monitoring

Shir Rozenfeld, Rahul Pankajakshan, Itay Zloczower +3

Large language models (LLMs) are increasingly paired with activation-based monitoring to detect and prevent harmful behaviors that may not be apparent at the surface-text level. Ho…

cs.CR2026

Love, Lies, and Language Models: Investigating AI's Role in Romance-Baiting Scams

Gilad Gressel, Rahul Pankajakshan, Shir Rozenfeld +4

Romance-baiting scams have become a major source of financial and emotional harm worldwide. These operations are run by organized crime syndicates that traffic thousands of people…