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Night Sky ransomware uses Log4j bug to hack VMware Horizon servers

The Night Sky ransomware gang has started to exploit the critical CVE-2021-4422 vulnerability in the Log4j logging library, also known as Log4Shell, to gain access to VMware Horizon systems. [...]

https://www.bleepingcomputer.com/news/security/night-sky-ransomware-uses-log4j-bug-to-hack-vmware-horizon-servers/
New SysJocker backdoor targets Windows, macOS, and Linux

A new multi-platform backdoor malware named 'SysJocker' has emerged in the wild, targeting Windows, Linux, and macOS with the ability to evade detection on all three operating systems. [...]

https://www.bleepingcomputer.com/news/security/new-sysjocker-backdoor-targets-windows-macos-and-linux/
US govt warns of Russian hackers targeting critical infrastructure

The FBI, CISA, and the NSA have warned critical infrastructure network defenders to be ready to detect and block incoming attacks targeting organizations from US critical infrastructure sectors, orchestrated by Russian-backed hacking groups. [...]

https://www.bleepingcomputer.com/news/security/us-govt-warns-of-russian-hackers-targeting-critical-infrastructure/
Microsoft fixes critical Office bug, delays macOS security updates

During this year's first Patch Tuesday, Microsoft has addressed a critical severity Office vulnerability that can let attackers execute malicious code remotely on vulnerable systems. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-critical-office-bug-delays-macos-security-updates/
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Windows 10 KB5009543 & KB5009545 updates released

The new update is now available for Windows 10 version 21H2, version 21H1, and version 20H2 As per the official release notes, Microsoft has published two main cumulative updates for Windows 10 - KB5009543 and KB5009545. [...]

https://www.bleepingcomputer.com/news/microsoft/windows-10-kb5009543-and-kb5009545-updates-released/
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CISA alerts federal agencies of ancient bugs still being exploited

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has updated its list of known exploited vulnerabilities with 15 new security issues that serve as a frequent attack vector against federal enterprises. [...]

https://www.bleepingcomputer.com/news/security/cisa-alerts-federal-agencies-of-ancient-bugs-still-being-exploited/
Firefox Focus now blocks cross-site tracking on Android devices

Mozilla's Firefox Focus web browser can now protect Android users against cross-site tracking while browsing the Internet by preventing cookies from being used for advertising and monitoring your activity. [...]

https://www.bleepingcomputer.com/news/security/firefox-focus-now-blocks-cross-site-tracking-on-android-devices/
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State hackers use new PowerShell backdoor in Log4j attacks

Hackers believed to be part of the Iranian APT35 state-backed group (aka 'Charming Kitten' or 'Phosphorus') has been observed leveraging Log4Shell attacks to drop a new PowerShell backdoor. [...]

https://www.bleepingcomputer.com/news/security/state-hackers-use-new-powershell-backdoor-in-log4j-attacks/
Hackers take over diplomat's email, target Russian deputy minister

Hackers believed to work for the North Korean government have compromised the email account of a staff member of Russia's Ministry of Foreign Affairs (MID) and deployed spear-phishing attacks against the country's diplomats in other regions. [...]

https://www.bleepingcomputer.com/news/security/hackers-take-over-diplomats-email-target-russian-deputy-minister/
Magniber ransomware using signed APPX files to infect systems

The Magniber ransomware has been spotted using Windows application package files (.APPX) signed with valid certificates to drop malware pretending to be Chrome and Edge web browser updates. [...]

https://www.bleepingcomputer.com/news/security/magniber-ransomware-using-signed-appx-files-to-infect-systems/
UK jails man for spying on teenagers, stealing photos using RATs

A Nottingham man was imprisoned this week for more than two years after hacking the computers and phones of dozens of victims, some of them underage, and spying on them using remote access trojans (RATs).  [...]

https://www.bleepingcomputer.com/news/security/uk-jails-man-for-spying-on-teenagers-stealing-photos-using-rats/
Microsoft adds macOS-like hardware indicators to Windows 11

Microsoft is now rolling out redesigned hardware indicator flyouts (uncannily similar to macOS and iOS ones) that align with Windows 11's design to all Windows Insiders in the Dev Channel. [...]

https://www.bleepingcomputer.com/news/microsoft/microsoft-adds-macos-like-hardware-indicators-to-windows-11/