Tagged:

long-context

1 post

Prompt Injection in Long-Context Windows: When More Context Means More Attack Surface

Extended context windows (128K–1M tokens) introduce an underappreciated prompt injection attack surface: injected instructions buried deep in retrieved documents, conversation histories, or tool outputs can override system prompts or hijack reasoning far from the visible top of the context. This post maps the threat, explains why attention geography matters for defenders, and offers a practical mitigation checklist.

Jul 2, 2026 prompt-injection long-context rag-security agent-security threat-modeling llm-security