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It has been quite a busy week with ransomware, with law enforcement making arrests, data-wiping attacks, and the return of the Qlocker ransomware.
Read more: The Week in Ransomware - January 21st 2022 - Arrests, Wipers, and More
The first public case of the Log4j Log4Shell vulnerability used to download and install ransomware has been discovered by researchers.
Read more: New ransomware now being deployed in Log4Shell attacks
North Korean-sponsored Lazarus hacking group has switched focus on new targets and was observed by Kaspersky security researchers expanding its supply chain attack capabilities.
Read more: North Korean state hackers start targeting the IT supply chain
A new malware threat named Squirrelwaffle has emerged in the wild, supporting actors with an initial foothold and a way to drop malware onto compromised systems and networks.
Read more: Spammers use Squirrelwaffle malware to drop Cobalt Strike
Microsoft has added a new Exchange Server feature!
Read more: New Microsoft Exchange service mitigates high-risk bugs automatically
Windows 10 and Windows 11 are vulnerable to a local elevation of privilege vulnerability after discovering that users with low privileges can access sensitive Registry database files.
Read more: New Windows 10 vulnerability allows anyone to get admin privileges
Microsoft will roll out a fix for a known issue causing Outlook for Microsoft 365 to crash on systems where users attempted using the Search bar or Search Suggestions features.
Read more: Microsoft fixes Outlook crash issues when using Search bar
Matt Dunn, associate managing director in Kroll’s Cyber Risk practice, discusses options for securing RDP, which differ significantly in terms of effectiveness.