AI Sec Weekly — Sourced AI security news and analysis.

Start here: the standing references

These are the standing reference pages, revised as the research, the CVEs and the tooling change.

• Prompt Injection Attack Examples: Direct, Indirect, Agentic A practitioner breakdown of prompt injection examples, from basic instruction overrides to CVE-rated zero-click exploits in production agent deployments.
• LLM Prompt Injection Defense: What Actually Works A layered guide to LLM prompt injection defense: prompt-level controls, classifier screening, agent design patterns, and the output gates that contain it.
• Prompt Injection Detection Tools: The 2026 Landscape A field guide to prompt injection detection tools: Llama Prompt Guard 2, Azure Prompt Shields, Lakera Guard, NeMo Guardrails, and the open-source options.
• LLM Jailbreak Defense Techniques: A Practitioner's Guide A breakdown of LLM jailbreak defense techniques, from input filtering and model-level hardening to multi-agent architectures and OWASP mitigations.
• Indirect Prompt Injection: The Agent Era's Default Flaw As LLM agents gained tools and memory, the dangerous injection stopped coming from the user and started coming from the data the agent reads.
• AI Agent Security Risks 2026: Injection to Privilege Abuse OWASP's Q1 2026 GenAI Exploit Round-up confirms AI agent security risks have moved from research to active production breaches.

Working back through the archive? The catch-up builder assembles a single brief from the digests you skipped, filtered to the topics you care about.