Ioan Criste

Ioan Criste Posts

A Security Analysis of Amazon S3 Vectors and Its Use in LLM Retrieval Pipelines

An analysis of the security model of Amazon S3 Vectors and of the considerations that arise when it is used as the retrieval layer for LLM applications: access control scope, input validation, metadata integrity, and audit coverage.

Jul 29, 2026 · 15 min readbyIoan Criste & Emanuel Ioniță

AI Engineering

OFFENSAI's Autonomous AgentO: All 122 Datadog Pathfinding Labs Solved. Here's What Made It Work.

We pointed our autonomous offensive agent, AgentO, at Datadog's new Pathfinding Labs and it solved all 122 live AWS privilege-escalation labs — no human in the loop, no access to the answers, average 9 turns. Here's what made it work.

Jul 8, 2026 · 8 min readbyIoan Criste, Dragos Stanescu & Eduard Agavriloae

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Ioan Criste Posts

A Security Analysis of Amazon S3 Vectors and Its Use in LLM Retrieval Pipelines

OFFENSAI's Autonomous AgentO: All 122 Datadog Pathfinding Labs Solved. Here's What Made It Work.

Shift happens.Be ready when it does.

Shift happens.
Be ready when it does.