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Ryuk ransomware deployed two weeks after Trickbot infection

Activity logs on a server used by the TrickBot trojan in post-compromise stages of an attack show that the actor takes an average of two weeks pivoting to valuable hosts on the network before deploying Ryuk ransomware. [...]

https://www.bleepingcomputer.com/news/security/ryuk-ransomware-deployed-two-weeks-after-trickbot-infection/
Twitter discloses billing info leak after 'data security incident'

Twitter has disclosed a 'Data Security Incident' that caused the billing information for Twitter advertisers to be stored in the browser's cache. This bug would have allowed other users on the computer to see this data. [...]

https://www.bleepingcomputer.com/news/security/twitter-discloses-billing-info-leak-after-data-security-incident/
Microsoft Defender ATP can now protect Linux, Android devices

Microsoft Defender Advanced Threat Protection (ATP) has expanded to non-Windows platforms and is now generally available for enterprise customers using Linux devices and in public preview for those with Android devices. [...]

https://www.bleepingcomputer.com/news/security/microsoft-defender-atp-can-now-protect-linux-android-devices/
European victims refuse to bow to Thanos ransomware

A Thanos ransomware campaign targeting mid-level employees of multiple organizations from Austria, Switzerland, and Germany was met by the victims' refusal to pay the ransoms demanded to have their data decrypted. [...]

https://www.bleepingcomputer.com/news/security/european-victims-refuse-to-bow-to-thanos-ransomware/
VMware fixes critical vulnerability in Workstation and Fusion

VMware released security updates to fix multiple vulnerabilities in VMware ESXi, Workstation, and Fusion, with one of them being a critical bug in default configurations of Workstation and Fusion having 3D graphics enabled. [...]

https://www.bleepingcomputer.com/news/security/vmware-fixes-critical-vulnerability-in-workstation-and-fusion/
NVIDIA patches high severity flaws in Windows, Linux drivers

NVIDIA has released security updates to address security vulnerabilities found in GPU Display and CUDA drivers and Virtual GPU Manager software that could lead to code execution, denial of service, escalation of privileges, and information disclosure on both Windows and Linux machines. [...]

https://www.bleepingcomputer.com/news/security/nvidia-patches-high-severity-flaws-in-windows-linux-drivers/
List of Ripple20 vulnerability advisories, patches, and updates

The dust is far from settled following the disclosure of the 19 vulnerabilities in the TCP/IP stack from Treck, collectively referred to as Ripple20, which could help attackers take full control of vulnerable devices on the network. [...]

https://www.bleepingcomputer.com/news/security/list-of-ripple20-vulnerability-advisories-patches-and-updates/