Security News

New Microsoft Teams is twice as fast, available for all in June
2023-03-27 16:30

Microsoft has unveiled a faster and redesigned version of its Microsoft Teams communication and collaboration software that has begun rolling out to Windows users today as a preview release. The company describes the new Teams client as being twice as faster and consuming 50% less memory and up to 70% less disk space when compared to the current app.

Microsoft: New Teams is twice as fast, available for all in June
2023-03-27 16:30

Microsoft has unveiled a faster and redesigned version of its Microsoft Teams communication and collaboration software that has begun rolling out to Windows users today as a preview release. The company describes the new Teams client as being twice as faster and consuming 50% less memory and up to 70% less disk space when compared to the current app.

Microsoft Issues Patch for aCropalypse Privacy Flaw in Windows Screenshot Tools
2023-03-27 09:48

Microsoft has released an out-of-band update to address a privacy-defeating flaw in its screenshot editing tool for Windows 10 and Windows 11. "If you take a screenshot of your bank statement, save it to your desktop, and crop out your account number before saving it to the same location, the cropped image could still contain your account number in a hidden format that could be recovered by someone who has access to the complete image file," Microsoft explains.

Microsoft pushes OOB security updates for Windows Snipping tool flaw
2023-03-25 17:54

Microsoft released an emergency security update for the Windows 10 and Windows 11 Snipping tool to fix the Acropalypse privacy vulnerability. With this bug, both the Google Pixel's Markup Tool and the Windows Snipping Tool were found to be leaving the cropped data within the original file.

Microsoft Warns of Stealthy Outlook Vulnerability Exploited by Russian Hackers
2023-03-25 06:13

Microsoft on Friday shared guidance to help customers discover indicators of compromise associated with a recently patched Outlook vulnerability.Tracked as CVE-2023-23397, the critical flaw relates to a case of privilege escalation that could be exploited to steal NT Lan Manager hashes and stage a relay attack without requiring any user interaction.

Microsoft shares tips on detecting Outlook zero-day exploitation
2023-03-24 20:09

Microsoft today published a detailed guide aiming to help customers discover signs of compromise via exploitation of a recently patched Outlook zero-day vulnerability. Microsoft also shared guidance on how to block future attacks targeting this vulnerability, urging organizations to install the recently released Outlook security update.

CISA unleashes Untitled Goose Tool to honk at danger in Microsoft's cloud
2023-03-24 19:16

American cybersecurity officials have released an early-warning system to protect Microsoft cloud users. Dubbed the Untitled Goose Tool, CISA said it "Offers novel authentication and data gathering methods for network defenders to use as they interrogate and analyze their Microsoft cloud services."

CISA releases free tool for detecting malicious activity in Microsoft cloud environments
2023-03-24 12:31

Network defenders searching for malicious activity in their Microsoft Azure, Azure Active Directory, and Microsoft 365 cloud environments have a new free solution at their disposal: Untitled Goose Tool. As an agency charged with - among other things - helping US-based organizations in the government and private sector protect themselves against cyber attackers, CISA regularly releases free open-source services and tools for defenders to use.

Microsoft Teams, Virtualbox, Tesla zero-days exploited at Pwn2Own
2023-03-23 23:33

Competitors successfully exploited zero-day bugs in multiple products during the second day of Pwn2Own Vancouver 2023, including the Tesla Model 3, Microsoft's Teams communication platform, the Oracle VirtualBox virtualization platform, and the Ubuntu Desktop operating system. Team Viettel hacked also Microsoft Teams via a 2-bug chain to earn $78,000 and Oracle's VirtualBox using a Use-After-Free bug and an uninitialized variable for $40,000.

Massive adversary-in-the-middle phishing campaign bypasses MFA and mimics Microsoft Office
2023-03-23 19:18

New research from Microsoft's Threat Intelligence team exposed the activities of a threat actor named DEV-1101, which started advertising for an open-source phishing kit to deploy an adversary-in-the-middle campaign. According to Microsoft, the threat actor described the kit as a phishing application with "Reverse-proxy capabilities, automated setup, detection evasion through an antibot database, management of phishing activity through Telegram bots, and a wide range of ready-made phishing pages mimicking services such as Microsoft Office or Outlook."