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Microsoft is tightening security for its cloud customers by making multi-factor authentication mandatory for anyone accessing the Microsoft 365 admin center, effectively ending password-only logins for high-privilege admin portals.&…
U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds HPE OneView and Microsoft Office PowerPoint flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added HPE OneView and Microsoft Office PowerPoint flaws to its Known Exploited Vulnerabilities (KEV) catalog. Below are the flaws added to the catalog: CVE-2009-0556 is a memory corruption flaw […]
Threat actors spoof legitimate domains to make their phishing emails appear to have been sent internally.
The post Complex Routing, Misconfigurations Exploited for Domain Spoofing in Phishing Attacks appeared first on SecurityWeek.
Microsoft’s latest innovation may have opened the door to sophisticated cyberattacks. At Build 2025, the company introduced “Connected Agents,” a feature in Copilot Studio that allows AI agents to communicate and share functionality a…
AI is reshaping how organizations operate, defend systems, and interpret risk. Reports reveal rising AI-driven attacks, hidden usage across enterprises, and widening gaps between innovation and security readiness. As adoption accelerates, companies fac…
Microsoft has officially announced a major upgrade to its encryption technology with the introduction of hardware-accelerated BitLocker. Revealed by Microsoft’s Rafal Sosnowski following the Ignite conference, this new feature is designed to solve perf…
After twenty-six years, Microsoft is finally upgrading the last remaining instance of the encryption algorithm RC4 in Windows.
of the most visible holdouts in supporting RC4 has been Microsoft. Eventually, Microsoft upgraded Active Directory to support the much more secure AES encryption standard. But by default, Windows servers have continued to respond to RC4-based authentication requests and return an RC4-based response. The RC4 fallback has been a favorite weakness hackers have exploited to compromise enterprise networks. Use of RC4 played a …
Microsoft Teams users worldwide experienced significant service disruptions on December 20, 2025, as the collaboration platform encountered widespread issues affecting messaging functionality and other critical service operations. The company has ackno…
Microsoft has released an out-of-band security update to address a significant vulnerability in Message Queuing (MSMQ) functionality that impacts Windows 10 systems running IIS web servers and enterprise environments. The flaw, discovered and documente…
The security updates delivered through KB5071546 have fundamentally broken Message Queuing (MSMQ) functionality across multiple Windows versions.
The post Microsoft December Update Breaks Critical IIS Servers appeared first on TechRepublic.