Security News

Windows 11 hacked three more times on last day of Pwn2Own contest
2022-05-21 14:00

On the third and last day of the 2022 Pwn2Own Vancouver hacking contest, security researchers successfully hacked Microsoft's Windows 11 operating system three more times using zero-day exploits. All other contestants hacked their targets, earning $160,000 after taking down Windows 11 three times and Ubuntu Desktop once.

Hackers Trick Users with Fake Windows 11 Downloads to Distribute Vidar Malware
2022-05-20 20:11

Fraudulent domains masquerading as Microsoft's Windows 11 download portal are attempting to trick users into deploying trojanized installation files to infect systems with the Vidar information stealer malware. "The spoofed sites were created to distribute malicious ISO files which lead to a Vidar info-stealer infection on the endpoint," Zscaler said in a report.

Microsoft disables telemetry in Windows 11 Subsystem for Android by default
2022-05-20 18:20

Microsoft has updated the Windows Subsystem for Android in Windows 11 to make telemetry collection optional and announced an upgrade to Android 12.1. "To help us make Windows Subsystem for Android better and provide useful telemetry about Android app usage, please enable this setting in the Windows Subsystem for Android Settings app!".

Emergency Windows 10 updates fix Microsoft Store app issues
2022-05-20 15:21

Microsoft has released out-of-band updates on Thursday evening to address a newly acknowledged issue impacting Microsoft Store apps. This known issue affects devices running Windows 10 where users have installed the KB5011831 optional preview cumulative update or other updates released since April 25th. "After installing KB5011831 or later updates, you might receive an error code: 0xC002001B when attempting to install from the Microsoft Store," Microsoft explained on the Windows health dashboard.

Microsoft patches the patch that broke Windows authentication
2022-05-20 13:00

Microsoft has released an out-of-band patch to deal with an authentication issue that was introduced in the May 10 Windows update. Multiple administrators complained last week that after installing the May 10 patch, they experienced authentication failures across several systems.

Windows 11 hacked again at Pwn2Own, Telsa Model 3 also falls
2022-05-20 12:10

During the second day of the Pwn2Own Vancouver 2022 hacking competition, contestants hacked Microsoft's Windows 11 OS again and demoed zero-days in Tesla Model 3's infotainment system. A third elevation of privileges zero-day caused by an improper access control bug in Windows 11 was demoed on the second day by T0, with namnp failing to demonstrate a second Windows 11 privilege escalation zero-day within the time allotted.

Microsoft emergency updates fix Windows AD authentication issues
2022-05-19 21:41

Microsoft has released emergency out-of-band updates to address Active Directory authentication issues after installing Windows Updates issued during the May 2022 Patch Tuesday on domain controllers. "After installing updates released May 10, 2022 on your domain controllers, you might see authentication failures on the server or client for services such as Network Policy Server, Routing and Remote access Service, Radius, Extensible Authentication Protocol, and Protected Extensible Authentication Protocol," Microsoft explained.

Microsoft Teams, Windows 11 hacked on first day of Pwn2Own
2022-05-19 11:39

During the first day of Pwn2Own Vancouver 2022, contestants won $800,000 after successfully exploiting 16 zero-day bugs to hack multiple products, including Microsoft's Windows 11 operating system and the Teams communication platform. The first to fall was Microsoft Teams in the enterprise communications category after Hector Peralta exploited an improper configuration flaw.

Microsoft releases first ISO image for new Windows 11 Dev builds
2022-05-18 22:27

Microsoft has released the first ISO image for the new Windows 11 Preview builds in the Dev channel, allowing Windows Insiders to perform clean installs of the operating system. Last week, Microsoft again started offering different Windows 11 builds in the 'Dev' and 'Beta' channels, with the beta channel receiving Windows 11 build 22621 and the Dev channel receiving Windows 11 build 25115.

Pwn2Own hacking schedule released – Windows and Linux are top targets
2022-05-18 18:04

The rules of Pwn2Own are somewhat strange, given that some entrants may end up not actually competing at all. The Tesla hackers, plus the browser and virtualisation entrants, will all definitely get a turn, because they're the only competitors in their categories.