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Custom illustration showing fake software installers with TamperedChef branding dropping a hidden JavaScript backdoor on a workstation.

TamperedChef Malware Uses Fake Installers in Global Campaign

TamperedChef malware no longer hides only behind a rogue PDF editor. In its latest evolution, the campaign uses signed fake software installers, malvertising and SEO poisoning to deliver an obfuscated JavaScript backdoor via a dropped XML-scheduled task. Telemetry shows a strong footprint in the U.S. and heavy impact on healthcare, construction and manufacturing, where users often search online for product manuals and tools. This article unpacks the global infrastructure, shell-company certificates and execution chain so defenders can hunt and harden effectively.

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CISA warns federal agencies to patch Cisco ASA/FTD zero-days and validate compromise under ED 25-03

Cisco firewall zero-days: CISA says patch & retire EOS hardware

CISA warned that multiple federal agencies still haven’t fully patched Cisco ASA/FTD devices despite active exploitation. Because the campaign targets the VPN web server and enables device takeover, teams must apply fixes for CVE-2025-20333/20362, follow ED 25-03 inventory and validation steps, and disconnect end-of-support hardware. This analysis explains impact, attack flow, high-signal detection, and fast remediation so defenders can reduce edge-device risk without slowing operations.

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