Microsoft: Hackers using Zerologon exploits in attacks, Patch Now!

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Microsoft has warned that attackers are actively using the Windows Server Zerologon exploits in attacks and advises all Windows administrators to install the necessary security updates. As part of the August 2020 Patch Tuesday security updates, Microsoft fixed a critical 10/10 rated security vulnerability known as ‘CVE-2020-1472 | Netlogon Elevation of Privilege Vulnerability’. This vulnerability has been named… Read more »

Microsoft issues out of band KB4578013 Windows Security Update

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Microsoft has issued an emergency out of band Windows security update designed to address privilege escalation bugs found to impact the Windows Remote Access service. “An out of band security update has been released for Windows 8.1 and Windows Server 2012 R2,” Microsoft says. “We recommend that you install these updates promptly.” The KB4578013 security update fixes… Read more »

Attackers increasingly exploit Microsoft Exchange servers

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Microsoft’s Defender ATP Research Team today issued guidance on how to defend against attacks targeting Exchange servers by blocking malicious activity identified with the help of behavior-based detection. The Microsoft researchers based their analysis on multiple campaigns of Exchange attacks investigated during early April which showed how the malicious actors deploying web shells on on-premises… Read more »

Office 365 now checks docs for known threats before editing

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Microsoft today announced the general availability of the Office 365 Safe Documents security feature which expands the protection provided by Protected View by checking untrusted documents for risks and known threats. Safe Documents — launched in private preview in February — uses Microsoft Defender Advanced Threat Protection (ATP) to scan documents opened in Protected view and block users from… Read more »