-
Microsoft is urging organizations to harden Microsoft Teams as threat actors increasingly abuse its built-in collaboration features chat, meetings, voice/video, screen sharing, and app integrations to gain initial access, persist, move laterally, and e…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned of active exploitation of a critical privilege escalation vulnerability in Microsoft Windows. Known as CVE-2021-43226, this flaw resides in the Common Log File System (CLFS) driver…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
Microsoft Defender for Endpoint users, particularly those with Dell devices, are experiencing a widespread issue with false Basic Input/Output System (BIOS) security alerts due to a critical software bug. The problem, which surfaced on October 2, 2025,…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
Microsoft is updating its security policies to require administrator consent for new third-party applications seeking access to Exchange and Teams content. These “Secure by Default” changes, set to roll out from late October to late November 2025, aim to enhance tenant security by giving administrators greater control over data access. This update is a key […] The post Microsoft to Launch New Secure Default Settings for Exchange and Teams APIs appeared first on Cyber Security News.
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
Microsoft is currently investigating a significant bug affecting classic Outlook for Windows that prevents users from accessing their email accounts. The issue manifests as a persistent error message stating “Cannot start Microsoft Outlook. Canno…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
Google has unveiled a groundbreaking AI-powered ransomware detection system for its Drive desktop application, representing a significant advancement in cybersecurity protection for organizations worldwide. This innovative feature automatically halts f…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
Organizations face an ever-evolving cyberthreat landscape marked by faster, more complex attacks. Today, Microsoft is answering this call with the general availability of an agentic security platform built on Microsoft Sentinel. This new wave…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
Cybersecurity researchers have identified a sophisticated campaign where threat actors are using malicious advertisements and search engine optimization poisoning to distribute fake Microsoft Teams installers containing the Oyster backdoor malware. The…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
A sophisticated malvertising campaign has been targeting organizations through a weaponized Microsoft Teams installer that delivers the dangerous Oyster malware, according to a recent investigation by cybersecurity experts. The attack demonstrates an a…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
-
Microsoft has released comprehensive guidance for implementing certificate-based authentication in Windows Admin Center (WAC), providing administrators with enhanced security through smart card integration and Active Directory Certificate Services. Thi…
¶¶¶¶¶
¶¶¶¶¶
¶¶¶¶¶
