A leaked Slack incoming webhook is usually triaged as low severity: write-only, one channel, no data access. The moment an AI agent reads that channel and can act with tools, that write-only primitive becomes an indirect prompt injection path into the agent's privileges. Here is the full kill chain, the exact preconditions, and how to defend it.
Full writeup of the AITU CTF Final (April 25-26, 2026), a HackCity-format competition. We walk through exploiting DMZ hosts via XXE, SSTI, and SQLi, pivoting into the DEV segment through AD lateral movement, escaping a privileged Docker container via cgroup abuse, and breaching a healthcare system through JWT JKU header injection.
A PostgreSQL master password drifted across seven platform types, from Secrets Manager to GitHub, Jenkins, Docker Hub, Jira, Confluence and Slack. Each security tool saw its own silo. None saw the full picture.
A single AWS key, never rotated for 3 years, spread across 7 systems. When a supply chain attack hit a Terraform CI plugin, the key gave attackers full infrastructure access. Inside the Aged Key kill chain and how to defend against long-lived credentials.
A single production outage left credentials in six non-code platforms: Slack, Jira, Confluence, Sentry, Datadog and PagerDuty. Your secret scanner found none of them. Inside the Shadow Key kill chain.
Aqua Security's Trivy was compromised by TeamPCP, cascading into LiteLLM. A 7-phase Cyber Kill Chain and MITRE ATT&CK analysis of how incomplete credential rotation turned a single breach into a five-ecosystem catastrophe.
Complete guide to git secret scanning tools. Compare TruffleHog, GitGuardian, GitHub Advanced Security, and Cremit. Learn implementation strategies with real CI/CD examples
Where credentials leak in modern CI/CD pipelines, what to scan at each stage (pre-commit, build, deploy), and how to integrate secret detection without slowing delivery.
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