In r-cybersecurity, practitioners are looking for detective controls for prompt injection, noting most work focuses on preventive guardrails; Microsoft Defender claims detection, but people are unsure how effective it is and what to monitor in logs.
Prompt injection attacks are increasing daily. Are there any practical detection mechanisms available to identify them?
I've seen a lot of research focused on using additional LLM models as preventative guardrails, but practically nothing on detective controls - especially log-based ones.
I know Microsoft have released user prompt and cross prompt detection into Defender but couldn't speak to how good it is
It’s tricky to detect purely from logs, but some teams look for odd prompt patterns, instruction overrides, or sudden role changes.
Prompt Injection Detection? Hi, Prompt injection attacks are increasing daily. Are there any practical detection mechanisms available to identify them?
https://techcommunity.microsoft.com/blog/microsoftthreatprotectionblog/how-microsoft-defender-helps-security-teams-detect-prompt-injection-attacks-in-m/4457047
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