Research
Prompt injection doesn't care what your agent does for a living
Publication date unknown · Discovered lambda.com
Page published
Publication date unknown · First observed: 9 Nov 2026
Coverage timeline
Single-source research — one report is available.
Why it matters
AgentBeats' findings suggest defenders should test recurring prompt-injection strategies across applications rather than treat domain coverage alone as evidence of agent security.
Lambda reports findings from AgentBeats Security Arena, a prompt-injection competition run with UC Berkeley's RDI using attacker and defender agents on gpt-oss-20b. Clustering 1,433 winning attacks revealed recurring rhetorical strategies across application domains, while held-out testing exposed weaknesses in scenario-specific attacker designs.