OWASP Global AppSec EU 2026 Vienna

As AI transitions from stateless tools to autonomous agents, the context window has become the primary attack surface. By giving agents the ability to remember, summarize, and collaborate, we have created a machine that can be gaslit. This session moves beyond transient prompt injections into the realm of persistent memory corruption. We explore how an adversary can rewrite an agent’s history, bias its knowledge base, and plant sleeper instructions that trigger long after the initial interaction. We will dissect the systematic subversion of the agentic memory stack and demonstrate why developers must stop treating agent memory as a passive data store and start defending it as the engine of the agent’s survival