2225
All about cloud security Contacts: @AMark0f @dvyakimov About DevSecOps: @sec_devops
🔶 Well-architected best practices for software supply chain security
Aligned with the AWS Well-Architected Security Pillar, the article recommends defending against npm supply chain attacks (e.g., Shai-Hulud) by using temporary credentials, least-privilege IAM, artifact signing via AWS Signer, centralized dependency management with CodeArtifact, continuous scanning via Amazon Inspector, and CloudTrail-based monitoring.
https://aws.amazon.com/ru/blogs/security/well-architected-best-practices-for-software-supply-chain-security
#aws
🤖 Comparing AI Application Security Testing Platforms
Doyensec compared Aikido Attack AI Pentest and XBOW Lightspeed for web app vulnerability detection, evaluating true/false positives, configuration, report quality, cost, speed, and impact on tested applications. Full findings available as a PDF.
#AI
🌩 When Background AI Agents Become a Security Boundary Problem
Claude Code's background sessions, supervisor process, CLAUDE_CONFIG_DIR override, scheduled tasks, and Markdown-based agent definitions can be chained post-foothold to deploy a persistent, nearly invisible C2 agent evading standard EDR binary-focused detection.
https://www.originhq.com/research/background-c2-agent
#ClaudeCode
👩💻 The expendable extension name: Azure VMAccess naming chaos, password resets, and a detection gap
The Sysdig Threat Research Team uncovered a detection gap in Azure VM password resets that allows attackers to evade name-based detections by assigning arbitrary VM extension names. Learn how the flaw works, why Microsoft's documented detection guidance failed during testing, and what defenders should monitor instead.
https://www.sysdig.com/blog/the-expendable-extension-name-azure-vmaccess-naming-chaos-password-resets-and-a-detection-gap
#azure
🔶 CISA Admin Leaked AWS GovCloud Keys on Github
A Nightwing contractor's public GitHub repo ("Private-CISA"), active since November 2025, exposed plaintext AWS GovCloud admin keys, Firefox-saved passwords, kubeconfig, and Artifactory credentials for CISA internal systems, with GitHub's secret-scanning protections deliberately disabled.
https://krebsonsecurity.com/2026/05/cisa-admin-leaked-aws-govcloud-keys-on-github
#aws
🌩 Skill Issues: Compromising Claude Code with malicious skills & agents
With the increasing usage of AI Coding agents, can coding agent skill files be exploited as an initial access mechanism, and how? This is part 1 of a 3 part series exploring the attack surface and defensive recommendations.
https://labs.reversec.com/posts/2026/05/skill-issues-compromising-claude-code-with-malicious-skills-agents-part-1
#ClaudeCode
🔶 Authorization Bypass in Amazon Quick: Unauthorized AI Chat Agent Usage
An authorization bypass in Amazon Quick's AI Chat Agents that allowed users to access and interact with AI agents despite explicit administrative restrictions. AWS responded by deploying a fix without notifying customers, classified the issue as “none,” and did not publish an advisory.
https://www.fogsecurity.io/blog/authorization-bypass-in-amazon-quick-ai-agents
#aws
🔶 The AWS Bedrock API Keys Security Guide Part 2: Detection, Prevention, and Response
The second part of a guide to AWS Bedrock API key security, this research builds off of the risks of AWS Bedrock API keys introduced in part one to cover detection, prevention, incident response, and migration to STS.
https://www.beyondtrust.com/blog/entry/aws-bedrock-security-guide-api-keys-detection-response
#aws
20 мая в 12:00 (мск) пройдёт бесплатный вебинар «Автоматизация процессов безопасности в Kubernetes: опыт MWS Cloud Platform».
Руководитель направления облачной безопасности Алексей Федулаев расскажет:
- Какие есть подводные камни при переходе с ручных сканов
- Как покрыть тепловыми картами кластеры и отслеживать нарушения
- Как находить аномалии в поведении пользователей
- И наконец, как это всё подружить с центром безопасности
Вебинар будет полезен директорам по ИТ и ИБ, ИБ-специалистам и инженерам, работающим в облачных средах.
Регистрируйтесь, подключайтесь к прямому эфиру и задавайте вопросы в чате.
📆 20 мая в 12:00
#advertising
🤖 LeakyLM: AI Assistants Are Leaking Your Conversations
Research disclosing that ChatGPT, Claude, Grok, and Perplexity embed third-party trackers (Meta, Google, TikTok) that leak conversation URLs, email hashes, and user identifiers, often bypassing cookie consent. via client-side pixels and server-side forwarding.
https://leakylm.github.io
#AI
🤖 Building an AI Ready Vulnerability Management Program After NVD Changes and Claude Mythos
NVD's April 2026 scope reduction (enriching only KEVs and critical federal software) collides with AI-accelerated vulnerability discovery (e.g., Claude Mythos), creating a dangerous gap in OSS CVE coverage.
https://pulse.latio.tech/p/building-an-ai-ready-vulnerability
#AI
🔎 How We Scaled Security Reviews Without Slowing Down Engineering
Postman is sharing the evolution of their Security Review Process (SRP). What didn't work, what they changed, and how they built SRP v2, a risk-based, automation-first security model embedded directly into their SDLC.
https://blog.postman.com/how-we-scaled-security-reviews-without-slowing-down-engineering
#SRP
👨💻 GitHub RCE Vulnerability: CVE-2026-3854 Breakdown
Wiz Research discovered CVE-2026-3854 (CVSS 8.7): an unsanitized semicolon injection in GitHub's X-Stat internal header allows any authenticated user to override security fields via git push -o, achieving RCE on GitHub com and full GHES server compromise.
https://www.wiz.io/blog/github-rce-vulnerability-cve-2026-3854
#github
🤖 magika
Fast and accurate AI powered file content types detection.
https://github.com/google/magika
#AI
🤖 Orchestrating AI Code Review at scale
Cloudflare built a CI-native, plugin-based AI code review system using OpenCode, orchestrating up to 7 specialised agents (security, performance, code quality, etc.) per merge request. It processed 131K reviews across 48K MRs, averaging $0.98/review at 3m39s median latency, with an 85.7% prompt cache hit rate.
https://blog.cloudflare.com/ai-code-review
#AI
🤖 A Security Researcher’s Guide to Understanding Copilot Studio AI Agents
A guide to understanding Copilot Studio AI agents, their deeper architecture on Entra ID and APIM, and key security risks.
https://www.beyondtrust.com/blog/entry/copilot-studio-ai-agents-security-risks
#AI
🔴 Securing Your Gemini and Google API Keys
Protect your Gemini API keys with this guide on API restrictions, secure storage in Secret Manager, and key hygiene to prevent hijacking and unauthorized use.
https://cloud.google.com/blog/topics/developers-practitioners/api-keys-are-open-secrets
#gcp
🔶 Global S3: Another C2 Channel for AgentCore Code Interpreters
AWS AgentCore Code Interpreters in Sandbox mode allow unrestricted global S3 access (including cross-account, public/presigned URLs), enabling a bidirectional C2 channel via S3 polling, demonstrated as a full reverse shell PoC. Mitigation: use VPC mode with S3 Gateway Endpoints and strict endpoint policies.
https://sonraisecurity.com/blog/global-s3-another-c2-channel-for-agentcore-code-interpreters
#aws
Аудитные логи в облаке — отдельная распределённая система со своими требованиями к надёжности и стоимости хранения, а не «таблица с событиями».
Команда MWS Cloud Platform выложила подробный разбор архитектуры своего сервиса: от библиотеки, которую подключают сервисы облака, до хранилища на Apache Iceberg и движка StarRocks, с объяснением, почему выбрали именно такой набор технологий и где спрятаны неочевидные грабли.
Полезно всем, кто разрабатывает ИБ-инструменты, работает с большим количеством событий или просто интересуется инструментами безопасности в облаке.
Читать статью на Хабре
#реклама
🌩 Automating Security Operations with AI: Triaging Renovate PR
A Claude Code Routine that triages every Renovate PR by risk, flags dead deps, and catches deprecated framework configs before I touch the diff.
https://blog.marcolancini.it/2026/blog-automating-security-operations-with-ai-triage-renovate
#ClaudeCode
🌩 Claude Code MCP Token Theft: MitM Attack Explained
Mitiga Labs shows how Claude Code MCP configuration can be hijacked through ~/.claude.json to steal OAuth tokens, persist through rotation, and hide in trusted SaaS activity.
https://www.mitiga.io/blog/claude-code-mcp-token-theft-mitm
#ClaudeCode
🤖 AI Threat Readiness Framework
Wiz proposes a 4-pillar AI Threat Readiness Framework: (1) reduce attack surface and AI-scan all exposures; (2) accelerate CVE patching and zero-day response; (3) perform deep AI-driven code analysis; (4) automate real-time threat detection and containment.
https://www.wiz.io/blog/ai-threat-readiness-framework
#AI
🤖 Skill Issues: How We Discovered Supply Chain Attack Vectors in an AI Agent Skills Marketplace
Orca Security identified four supply chain attack primitives in an AI agent skills marketplace: unauthenticated install count inflation, non-deterministic security scanning, silent skill name override, and blind bulk updates. All enabling bait-and-switch, nested skill injection, and delayed weaponization attacks achieving real-world RCE.
https://orca.security/resources/blog/ai-agent-skill-supply-chain-security
#AI
🤖 The (In)security Landscape of AI-Powered GitHub Actions (Part 2/2)
Wiz researchers analysed popular AI GitHub Actions (Anthropic, OpenAI, Google) and found: bot permission-check bypasses enabling untrusted external apps to trigger AI workflows, novel credential-file exfiltration vectors unrecognised by LLMs as sensitive, and widespread misconfigurations in repos with 200,000+ combined stars.
https://www.wiz.io/blog/github-actions-security-ai-powered-actions-vulnerabilities
#AI
🔶 The Danger of Multi-SSO AWS Cognito User Pools
This post explores security anti-patterns in multi-SSO AWS Cognito User Pools: ghost identity injection via misconfigured Lambda triggers, "triggerSource" blind spots, sub-splitting attacks on "event.userName", and IdP identifier hijacks. It also introduces "maSSO", a weaponized OIDC/SAML IdP for pentesting.
https://blog.doyensec.com/2026/05/05/cloudsectidbits-masso-cognito-sso.html
#aws
🖥 Proof, Not Promises: Evaluating Code Scanner Efficacy
How Block built benchmrk, a harness for measuring SAST scanner efficacy against ground truth you control.
https://engineering.block.xyz/blog/proof-not-promises-evaluating-code-scanner-efficacy
#SAST
🤖 OpenShell
OpenShell is the safe, private runtime for autonomous AI agents.
https://github.com/NVIDIA/OpenShell
#AI
🤖 redai
AI-driven vulnerability discovery and live validation.
https://github.com/kpolley/redai
#AI
🌩 My Claude Code Setup (2026 Edition)
A walkthrough of my Claude Code setup across a multi-project monorepo: global settings, safety guardrails, a context/plan/code workflow, subagents and plugins, and the StarCraft-themed customisations that make the terminal feel like mine.
https://blog.marcolancini.it/2026/blog-my-claude-code-setup
#ClaudeCode
🤖 How Amazon uses agentic AI for vulnerability detection at global scale
Amazon's RuleForge is a multi-agent AI system that auto-generates CVE detection rules from exploit PoC code. It uses parallel generation (via Amazon Bedrock/Fargate), a separate judge model (reducing false positives by 67%), and multistage validation, achieving 336% faster rule production than manual workflows while keeping humans in the final approval loop.
https://www.amazon.science/blog/how-amazon-uses-agentic-ai-for-vulnerability-detection-at-global-scale
#AI