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As AI tools become more accessible, employees are adopting them without formal approval from IT and security teams. While these tools may boost productivity, automate tasks, or fill gaps in existing workflows, they also operate outside the visibility of security teams, bypassing controls and creating new blind spots in what is known as shadow AI. While similar to […]

Thursday. Another week, another batch of things that probably should’ve been caught sooner but weren’t. This one’s got some range — old vulnerabilities getting new life, a few “why was that even possible” moments, attackers leaning on platforms and tools you’d normally trust without thinking twice. Quiet escalations more than loud zero-days, but the kind that matter more

Threat actors have been exploiting a previously unknown zero-day vulnerability in Adobe Reader using maliciously crafted PDF documents since at least December 2025. The finding, detailed by EXPMON’s Haifei Li, has been described as a highly-sophisticated PDF exploit. The artifact (“Invoice540.pdf”) first appeared on the VirusTotal platform on November 28, 2025. A second 

A new Lua-based malware, called LucidRook, is being used in spear-phishing campaigns targeting non-governmental organizations and universities in Taiwan. […]

Threat actors using a previously undocumented phishing-as-a-service (PhaaS) platform called “VENOM” are targeting credentials of C-suite executives across multiple industries. […]

Dutch healthcare software vendor ChipSoft has been impacted by a ransomware attack that forced the company to take offline its website and digital services for patients and healthcare providers. […]

Google has rolled out Device Bound Session Credentials (DBSC) protection in Chrome 146 for Windows, designed to block info-stealing malware from harvesting session cookies. […]

Stolen credentials turn authentication systems into the attack surface. Token shows how wearable biometric authentication verifies the user—not the session—blocking phishing relays and MFA bypass. […]

Hackers hijacked the update system for the Smart Slider 3 Pro plugin for WordPress and Joomla, and pushed a malicious version with multiple backdoors. […]

Threat actors often signal their intentions before launching attacks, from dark web chatter to access-broker listings and credential requests. Join our upcoming webinar with Flare Systems to learn how to turn those early warning signs into proactive defensive action before an intrusion begins. […]