TeamPCP's Cascading Supply Chain Attack Hits LiteLLM; Cisco Firewall Zero-Day Exploited for Weeks

Publication Date: March 26, 2026

Summary

This edition covers a critical 24-hour period in cybersecurity for March 26, 2026. The most significant event is a multi-stage supply chain attack by 'TeamPCP' that compromised the Trivy scanner and pivoted to trojanize the LiteLLM AI gateway, stealing credentials. Concurrently, details emerged of a critical Cisco firewall zero-day (CVE-2026-20131) exploited by the 'Interlock' ransomware gang for over a month before a patch was available. Other major news includes a vishing campaign abusing Microsoft Teams and Quick Assist, new cybersecurity mandates for Ontario's public sector, and a flurry of AI-powered security product announcements from RSA Conference 2026.

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Article Updates

Cisco Firewall Zero-Day Exploited by Interlock Ransomware for Over a Month Before Patch

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