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A China-based threat actor known for deploying Medusa ransomware has been linked to the weaponization of a combination of zero-day and N-day vulnerabilities to orchestrate "high-velocity" attacks and break into susceptible internet-facing systems
Interlock's post-exploit toolkit exposed Ransomware criminals exploited CVE-2026-20131, a maximum-severity bug in Cisco Secure Firewall Management Center software, as a zero-day vulnerability more than a month before Cisco patched the hole, according to Amazon security boss CJ Moses.…
PLUS: Fake ransomware group exposed; EC blesses Google's big Wiz deal; Alleged sewage hacker cuffed; And more Infosec in Brief The former General Manager of defense contractor L3Harris’s cyber subsidiary Trenchant sold eight zero-day exploit kits to Russia, according to a court filing last week.…
Medusa Ransomware Group Tied to Exploits of Now-Patched Zero-Day VulnerabilityRecent attacks targeting Fortra's GoAnywhere managed file transfer software exploited a "limited" number of customers who set their on-premises installations to have an administrative console publicly exposed to the internet, which the vendor recommends customers never do.
It wasn't ransomware headlines or zero-day exploits that stood out most in this year's Verizon 2025 Data Breach Investigations Report (DBIR) — it was what fueled them. Quietly, yet consistently, two underlying factors played a role in some of the worst breaches: third-party exposure and machine credential abuse
Internet-exposed Apache ActiveMQ servers are also targeted in TellYouThePass ransomware attacks targeting a critical remote code execution (RCE) vulnerability previously exploited as a zero-day. [...]