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EPISODE · May 28, 2026 · 28 MIN
Ep 50 | Niki Aimable Niyikiza - Capability-Based Authorization for AI Agents | [un]prompted 2026
from [un]prompted Security Practitioner Con 2026 · host [un]prompted
Day 2 | Stage 2Senior Security Engineer & AI Security Researcher from Snap addresses how prompt injection filters and coarse IAM roles consistently fail in multi-agent setups. Shows working alternative: treating agent authority as ephemeral, cryptographic warrants that attenuate on delegation (inspired by Macaroons/UCAN). Task-scoped, holder-bound, verified offline by tools in microseconds. Even fully compromised agent can't escalate or exfiltrate beyond bounds. Includes live demos and benchmarks.Niki Aimable Niyikiza is Senior Security Engineer & AI Security Researcher, Snap.Watch on YouTube: https://www.youtube.com/watch?v=bw928cFShK4
What this episode covers
Day 2 | Stage 2Senior Security Engineer & AI Security Researcher from Snap addresses how prompt injection filters and coarse IAM roles consistently fail in multi-agent setups. Shows working alternative: treating agent authority as ephemeral, cryptographic warrants that attenuate on delegation (inspired by Macaroons/UCAN). Task-scoped, holder-bound, verified offline by tools in microseconds. Even fully compromised agent can't escalate or exfiltrate beyond bounds. Includes live demos and benchmarks.Niki Aimable Niyikiza is Senior Security Engineer & AI Security Researcher, Snap.Watch on YouTube: https://www.youtube.com/watch?v=bw928cFShK4
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Ep 50 | Niki Aimable Niyikiza - Capability-Based Authorization for AI Agents | [un]prompted 2026
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