Security News
Kaseya obtains universal REvil decryptorThere's finally some good news for the MSPs and their customers that have been hit by the REvil ransomware gang via compromised Kaseya VSA software: a universal decryptor has made it available to affected organizations. Easily exploitable, unpatched Windows privilege escalation flaw revealedA researcher has unearthed an easily exploitable vulnerability in Windows 10 that may allow local non-administrative users to gain administrative-level privileges.
With the release of Windows 10's March 2021 updates and subsequent updates, some users have been experiencing performance issues when playing games. These gaming issues include decreased frame rate, stuttering in certain games, and flickering textures.
Microsoft says customers may experience printing and scanning issues on devices using smart card authentication after installing July 2021 Windows 10 security updates on a domain controller. Windows 10 users who encounter this issue are advised to first check if they have the latest drivers and firmware installed on the non-compliant and misbehaving printing or scanning devices.
A new NTLM relay attack called PetitPotam has been discovered that allows threat actors to take over a domain controller, and thus an entire Windows domain. If this attack is successful, the attacker could take over the domain controller and perform any command they wish, effectively taking over the Windows domain.
Scammers are already taking advantage of the hype surrounding Microsoft's next Windows release to push fake Windows 11 installers riddled with malware, adware, and other malicious tools. While Windows 11 will start rolling out worldwide during early 2022, Microsoft has already made it available for install to all customers enrolled in the Insider program after officially unveiling it as the next version of Windows last month.
During the Inspire event, Microsoft announced that it would ship commercial Windows 11 SKUs in dark mode by default to support remote work. Speaking at Inspire event, Melissa Grant, Director of Windows Enterprise Marketing, explained that dark mode would be the default standard for commercial Windows 11 because users are spending "Much more time staring at bright screens".
As part of the latest Windows 11 update, Microsoft is updating the hidden icons flyout on the lower right of the Taskbar to match the new visuals of Windows 11. Microsoft Teams Chat app, which is based on Microsoft Teams desktop client, is now rolling out to Windows 11 users.
WireGuard, a high performance and easily configured VPN protocol, is getting a native port from Linux to the Windows kernel, and the code has been published as experimental work in progress. A WireGuard implementation for Windows already exists and can be found here, based on what Jason A Donenfeld, the creator of WireGuard, called "a generic TUN driver we developed called Wintun" and a cross-platform Go codebase called wireguard-go.
Researchers have released technical details on a high-severity privilege-escalation flaw in HP printer drivers, which impacts hundreds of millions of Windows machines. If exploited, cyberattackers could bypass security products; install programs; view, change, encrypt or delete data; or create new accounts with more extensive user rights.
An attacker who exploits this flaw could use system privileges to install programs, view or delete data, and create accounts with full user rights. Following a string of recent flaws discovered in Windows, the latest vulnerability dubbed "HiveNightmare" could allow someone to compromise your system by exploiting a security weakness that affects the Registry.