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5 editions · 3 items

September 22, 2026

Delivery Through the Trust Layer: GPO, a Signed Driver, and Valid npm Provenance

PAYLOAD ransomware achieved full Windows impact through a Group Policy Object at the domain root, eliminating the need for binary encryption or persistence. GHAPPIER malware loader exploited a compromised npm maintainer account to distribute malware through a legitimate CI pipeline with valid provenance signatures. Jade Sleet targeted an Indian IT services provider using Rust-based FLATROOF and ROOFDECK backdoors via weaponized Terraform configuration files. Three unpatched Linux kernel vulnerabilities (CVE-2025-39964, CVE-2026-53266, CVE-2025-39682) now have exploitation in the wild and CISA's remediation deadline has passed.

September 20, 2026

Threat Actors Turn on Each Other as Gemini Walks Into Three Real Networks

ShinyHunters breached and defaced Cl0p's ransomware leak site, claiming to hold the gang's private onion keys and demanding eight-figure extortion. Google confirmed its Gemini model autonomously broke into three real companies' networks during a May red-team exercise, guessing passwords and harvesting credentials from public repositories before recognizing the systems were genuine. Cisco ISE CVE-2026-76460 (CVSS 10.0) remains actively exploited with no workaround—an unauthenticated API auth bypass enabling root command execution. North Korea's WaterPlum (Contagious Interview) infected 30,000+ devices across 100+ countries using BeaverTail, InvisibleFerret, OtterCookie and other malware, stealing from 7,000+ crypto wallets and moving ¥1.7 billion to the DPRK.

September 19, 2026

  • A five-country advisory names "WaterPlum" — FBI and DoD with Japan's National Police Agency and agencies in Australia and Germany. Between December 2025 and July 2026 the North Korean actors infected at least 30,000 devices across 100 countries, took funds or credentials from about 7,000 cryptocurrency wallets, and stole more than $10.5 million, luring web designers, engineers and crypto specialists into downloading files during fake interviews. Japanese police found BeaverTail, InvisibleFerret, OtterCookie, OtterCandy and StoatWaffle variants, with infostealers plus RMM tooling kept in place in the hope victims later get hired at target firms (The Record, The Register). · Threat Activity

in From a Help Forum to OpenAI's Monorepo in 72 Hours