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Security

19 posts ยท all tags ยท all posts

2026

  1. Weekly Review โ€” Oct 26โ€“Nov 1, 2026

    TL;DR: Four posts this week, and three of them are about what an agentโ€™s safeguards actually rest on. I ran my own agent setup through Shostackโ€™s four threat-modeling questions. Most of my rules came โ€ฆ

    WeeklyReviewAgenticAIThreatModelingSecurityPhysics

  2. Who Threat-Models the Vulnerability Harness?

    TL;DR: AWS has published a two-part series on an AI vulnerability harness. The pipeline narrows scanner output to a short list of evidence-backed findings, and a steering file tells the model how to โ€ฆ

    SecurityCybersecurityLLMsAIAgentsThreatModelingPromptInjection

  3. My Agent's Rulebook Was an Accidental Threat Model

    TL;DR: Almost every safety rule in my personal agent setup got written the day after something went wrong. I ran the whole setup through Shostackโ€™s Four Question Framework (what are we working on, โ€ฆ

    SecurityAIAgentsCodingAgentsKiroVerificationThreatModeling

  4. Who Referees the AI?

    TL;DR: In July 2026 a purported disproof of the Collatz conjecture got through Leanโ€™s official proof checker, and through an independent second checker as well. It was wrong. The submission exploited โ€ฆ

    AIAgenticAILLMEvalsVerificationSecurityFormalMethods

  5. Foundations of Agent Authorization

    TL;DR: Agent authorization looks like a scary new frontier, but almost all of it is OAuth 2.0 and OpenID Connect, the same flows that already sign you into web apps. Once you can tell apart the three โ€ฆ

    AgenticAISecurityMCPOAuthAWS

  6. When the SOC Analyst Is an Agent

    TL;DR: Amazon GuardDuty now ships an AI investigation agent (in preview) that takes a raw finding, pulls 90 days of related activity, correlates it against threat intel and a knowledge graph, and โ€ฆ

    AgenticAISecurityAWS

  7. Post-Quantum Crypto Is Here โ€” What It Means on AWS

    TL;DR: Post-quantum cryptography stopped being a research-paper topic. The reason to care today is โ€œharvest-now, decrypt-laterโ€: an adversary records your encrypted traffic now and decrypts it once a โ€ฆ

    SecurityCryptographyPostQuantumCryptographyAWSKMSNIST

  8. MCP Strategies on AWS, Part 4: Governance in Code

    TL;DR: The governance pillar of the AWS MCP guidance has the best whiteboard story in the whole document, so I made it runnable. The story: an admin asks an agent to clone a production database, the โ€ฆ

    MCPAgenticAISecurityAgentCoreAIAgents

  9. The 732-Byte Wake-Up Call

    Security is not a phase you pass through on the way to production. It is a permanent condition. On April 29, 2026, a security research team published a vulnerability that works on every Linux โ€ฆ

    SecurityLinuxAICybersecurityCloudSecurityKubernetes

  10. Security Is Job Zero โ€” Even (Especially) in the Age of Coding Agents

    $20 and Two Hours On February 28, 2026, security startup CodeWall gave an autonomous AI agent a single input: a domain name. Two hours and approximately $20 in API tokens later, the agent had full โ€ฆ

    AISecurityDevSecOpsAgenticAISDLCCodingAgents

  11. ๐— ๐—–๐—ฃ ๐—ง๐—ผ๐—ผ๐—น ๐—–๐—ต๐—ฎ๐—ผ๐˜€ - ๐—ด๐—ผ๐˜ ๐—น๐—ผ๐˜€๐˜ ๐—ถ๐—ป ๐—ฎ๐˜‚๐˜๐—ต๐—ฒ๐—ป๐˜๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—ฎ๐—ป๐—ฑ ๐—ด๐—ผ๐˜ƒ๐—ฒ๐—ฟ๐—ป๐—ฎ๐—ป๐—ฐ๐—ฒ?!

    ๐— ๐—–๐—ฃ ๐—ง๐—ผ๐—ผ๐—น ๐—–๐—ต๐—ฎ๐—ผ๐˜€ - ๐—ด๐—ผ๐˜ ๐—น๐—ผ๐˜€๐˜ ๐—ถ๐—ป ๐—ฎ๐˜‚๐˜๐—ต๐—ฒ๐—ป๐˜๐—ถ๐—ฐ๐—ฎ๐˜๐—ถ๐—ผ๐—ป ๐—ฎ๐—ป๐—ฑ ๐—ด๐—ผ๐˜ƒ๐—ฒ๐—ฟ๐—ป๐—ฎ๐—ป๐—ฐ๐—ฒ?! Agentic coding has become reality for developers everywhere ๐Ÿš€. Tools like Anthropicโ€™s Claude Code and Amazonโ€™s Kiro are leading the charge, โ€ฆ

    AIAgentsMCPSecurityAWS

  12. Argh - My AI Agent deleted all my files

    ๐Ÿ˜ฑ โ€œArgh - My AI Agent deleted all my files!!!! ![](assets/argh-my-ai-agent-deleted-all-files-cover.jpg) ๐Ÿ˜ฑ โ€œArgh - My AI Agent deleted all my files!!!!โ€ Created on 2026-01-16 06:53 Published on โ€ฆ

    AIAIAgentsSecurity

  13. ๐Ÿ˜ฑ ๐—”๐—ฟ๐—ด๐—ต - ๐— ๐˜† ๐—”๐—œ ๐—”๐—ด๐—ฒ๐—ป๐˜ ๐—ฑ๐—ฒ๐—น๐—ฒ๐˜๐—ฒ๐—ฑ ๐—ฎ๐—น๐—น ๐—บ๐˜† ๐—ณ๐—ถ๐—น๐—ฒ๐˜€!!!! Worried about AI agents running amok with your data? Before panicking

    ๐Ÿ˜ฑ ๐—”๐—ฟ๐—ด๐—ต - ๐— ๐˜† ๐—”๐—œ ๐—”๐—ด๐—ฒ๐—ป๐˜ ๐—ฑ๐—ฒ๐—น๐—ฒ๐˜๐—ฒ๐—ฑ ๐—ฎ๐—น๐—น ๐—บ๐˜† ๐—ณ๐—ถ๐—น๐—ฒ๐˜€!!!! Worried about AI agents running amok with your data? Before panicking, consider this: weโ€™ve been solving permission and access control problems for โ€ฆ

    AIAIAgentsSecurity

  14. โ€œGood Morning! said Bilbo, and he meant it. The sun was shining, and the grass was very green. But G

    โ€œGood Morning!" said Bilbo, and he meant it. The sun was shining, and the grass was very green. But Gandalf looked at him from under long bushy eyebrows that stuck out further than the brim of his โ€ฆ

    AWSCloudSecurity

2025

  1. ๐Ÿš€ ๐—–๐—ฟ๐˜†๐—ฝ๐˜๐—ผ๐—ด๐—ฟ๐—ฎ๐—ฝ๐—ต๐˜† ๐—ถ๐—ป ๐˜๐—ต๐—ฒ ๐—ค๐˜‚๐—ฎ๐—ป๐˜๐˜‚๐—บ ๐—”๐—ด๐—ฒ: ๐—ฆ๐˜๐—ฎ๐—ฟ๐˜๐—ถ๐—ป๐—ด ๐—ก๐—ผ๐˜„

    ๐Ÿš€ ๐—–๐—ฟ๐˜†๐—ฝ๐˜๐—ผ๐—ด๐—ฟ๐—ฎ๐—ฝ๐—ต๐˜† ๐—ถ๐—ป ๐˜๐—ต๐—ฒ ๐—ค๐˜‚๐—ฎ๐—ป๐˜๐˜‚๐—บ ๐—”๐—ด๐—ฒ: ๐—ฆ๐˜๐—ฎ๐—ฟ๐˜๐—ถ๐—ป๐—ด ๐—ก๐—ผ๐˜„ Yesterday I had the pleasure to listen to and discuss with my colleagues Sviatoslav Redko and Viacheslav Romanov during their talk โ€œCryptography in the โ€ฆ

    Security

  2. Do You Know What Your AI Agents Are Doing? Lost Control? ๐Ÿค”

    Do You Know What Your AI Agents Are Doing? Lost Control? ๐Ÿค” While having a 2nd coffee - to be honest, itโ€™s the third already as days are long at #MTM25 - Iโ€™m reflecting on what has been top of mind for โ€ฆ

    AIAgentsSecurity

2024

  1. โš–๏ธ In my conversation with customers, I don't get tired in highlighting how important it is to decompose

    โš–๏ธ In my conversation with customers, I donโ€™t get tired in highlighting how important it is to decompose applicationโ€™s needs into the different use cases and choose the best-fitting foundation model โ€ฆ

    AIAWSSecurity

  2. What happens in Las Vegas ... Nah - let's have a look. All things (Gen) AI.

    What happens in Las Vegas โ€ฆ Nah - letโ€™s have a look. All things (Gen) AI. ![](assets/reinvent-las-vegas-vltke-cover.jpg) What happens in Las Vegas โ€ฆ Nah - letโ€™s have a look. All things (Gen) AI. โ€ฆ

    AIAWSArchitectureSecurity

2023

  1. Today content monetisation still largely depends on 3rd party data while the technical foundation, 3

    Today much of ad-funded content monetisation still leans on 3rd party data, while the technical foundation of its browser-based collection, 3rd party cookies, is on the way out: some browsers already โ€ฆ

    AIAdvertisingSecurity