Chinese Mustang Panda hackers deploy infostealers via CoolClient backdoor
The Chinese espionage threat group Mustang Panda has updated its CoolClient backdoor to a new variant that can steal login data from browsers and monitor the…
Category: Bleeping Computer
WinRAR path traversal flaw still exploited by numerous hackers
Multiple threat actors, both state-sponsored and financially motivated, are exploiting the CVE-2025-8088 high-severity vulnerability in WinRAR for initial access and to deliver various malicious payloads. The security issue…
US charges 31 more suspects linked to ATM malware attacks
A Nebraska federal grand jury charged 31 additional defendants for their involvement in an ATM jackpotting operation allegedly orchestrated by members of the Venezuelan gang…
Critical sandbox escape flaw found in popular vm2 NodeJS library
A critical-severity vulnerability in the vm2 Node.js sandbox library, tracked as CVE-2026-22709, allows escaping the sandbox and executing arbitrary code on the underlying host system. The open-source…
Nike investigates data breach after extortion gang leaks files
Nike is investigating what it described as a “potential cyber security incident” after the World Leaks ransomware gang leaked 1.4 TB of files allegedly stolen…
The psychology behind modern ransomware extortion
For years, security teams treated ransomware as a technological problem. Security teams hardened backup systems, deployed endpoint detection, practiced incident response playbooks built around data…
Over 6,000 SmarterMail servers exposed to automated hijacking attacks
Nonprofit security organization Shadowserver has found over 6,000 SmarterMail servers exposed online and likely vulnerable to attacks exploiting a critical authentication bypass vulnerability. Cybersecurity company…
SoundCloud data breach impacts 29.8 million accounts
Hackers have stolen the personal and contact information belonging to over 29.8 million SoundCloud user accounts after breaching the audio streaming platform’s systems. SoundCloud was…
New malware service guarantees phishing extensions on Chrome web store
A new malware-as-a-service (MaaS) called ‘Stanley’ promises malicious Chrome extensions that can clear Google’s review process and publish them to the Chrome Web Store. Researchers at…
New ClickFix attacks abuse Windows App-V scripts to push malware
A new malicious campaign mixes the ClickFix method with fake CAPTCHA and a signed Microsoft Application Virtualization (App-V) script to ultimately deliver the Amatera infostealing malware.…
Microsoft patches actively exploited Office zero-day vulnerability
Microsoft has released emergency out-of-band security updates to patch a high-severity Microsoft Office zero-day vulnerability exploited in attacks. The security feature bypass vulnerability, tracked as…
Cloudflare misconfiguration behind recent BGP route leak
Cloudflare has shared more details about a recent 25-minute Border Gateway Protocol (BGP) route leak affecting IPv6 traffic, which caused measurable congestion, packet loss, and approximately 12…