2026 - Breaking the Lethal Trifecta: Architectural Prompt Injection Defenses
2026 - Breaking the Lethal Trifecta: Architectural Prompt Injection Defenses.
Summary
Overview: Prompt injection has no deterministic fix, but containment offers a third path between accepting the risk and crippling agents with restrictive policies. Andrew Bullen walks through the architectural guardrails Stripe adopted for its agent platform: controlled egress to prevent data exfiltration,…
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