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Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet
Also, Russian Signal Phishing, Iran-Linked Malware, Breaches in Spain and FranceThis week, Tycoon 2FA, Trio-Tech, messaging app spying and a ransomware broker sentenced. Iran-linked hackers. Mazda disclosed a breach. Oracle patched a flaw. North Korean actors weaponized VS Code, a Spanish port ransomware attack, a French teacher data breach and a healthcare firm victim surge.
Cybersecurity researchers have discovered a new ransomware strain dubbed HybridPetya that resembles the notorious Petya/NotPetya malware, while also incorporating the ability to bypass the Secure Boot mechanism in Unified Extensible Firmware Interface (UEFI) systems using a now-patched vulnerability disclosed earlier this year
Security researchers have disclosed a new Secure Boot bypass tracked as CVE-2025-3052 that can be used to turn off security on PCs and servers and install bootkit malware. [...]
Ivanti has disclosed details of a now-patched critical security vulnerability impacting its Connect Secure that has come under active exploitation in the wild
A newly patched security flaw impacting Windows NT LAN Manager (NTLM) was exploited as a zero-day by a suspected Russia-linked actor as part of cyber attacks targeting Ukraine
Details have emerged about a China-nexus threat group's exploitation of a recently disclosed, now-patched security flaw in Cisco switches as a zero-day to seize control of the appliances and evade detection
Got a Confluence server? Listen up. Malware said to have wide-ranging capabilities A new backdoor was this week found implanted in the environments of organizations to exploit the recently disclosed critical vulnerability in Atlassian Confluence.…
Cybersecurity researchers have discovered a stealthy backdoor named Effluence that's deployed following the successful exploitation of a recently disclosed security flaw in Atlassian Confluence Data Center and Server
HP has disclosed 16 high-impact UEFI firmware vulnerabilities that could allow threat actors to infect devices with malware that gain high privileges and remain undetectable by installed security software. [...]