Lethal Trifecta Examples?
7.0BRAINROT SCORELethal Trifecta The specific, especially dangerous combination of an agent having access to private data, exposure to untrusted external content, and the ability to communicate externally — any two alone are usually manageable, but all three together mean a single injected instruction can quietly exfiltrate real data.
Origin:Coined by security researchers in 2025 as a compact mental model for explaining why indirect prompt injection is so dangerous specifically in agents that combine these three capabilities.
First Seen:2025
Peak Era:2026 (Agent Security)
Aura Impact:+1 Aura (Breaking the Lethal Trifecta by Removing Just One Leg) / -2 Aura (An Agent That Has All Three and Nobody Noticed)
EXAMPLE USAGE
"Before shipping, the team specifically checked whether the agent hit the lethal trifecta — turned out it did, on all three counts."
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