AI Agent Long-Term Memory Is the New Attack Surface: What MemGhost and GhostWriter Mean for Enterprises
Two independent research efforts show AI Agent long-term memory can be poisoned: MemGhost plants false information via a single email with up to 87.5% end-to-end success, while GhostWriter reports roughly 98% memory injection success. This article breaks down how memory poisoning differs from ordinary prompt injection, how connectors expand the risk radius, and what enterprises should evaluate before deployment.