Microsoft appears to have fixed an error in the distribution of Windows Defender definition updates on Windows 7 because the older OS is now receiving signature updates once more.
Recently there have been a lot of reports of Windows Defender suddenly detecting files as Trojan:Win32/Bluteal.B!rfn. The detected files range from CPU miners, which would make sense, to legitimate Windows files, which do not.
Yesterday Microsoft released Windows 10 Insider Preview Build 17650 to insiders on the Redstone 5 Skip Ahead ring. In this build, Microsoft focused on Windows Defender with a new design to the Windows Defender Security Center and adding Windows Subsystem for Linux (WSL) support to the Windows Defender Firewall.
Microsoft has released a Chrome extension named "Windows Defender Browser Protection" that ports Windows Defender's —and inherently Edge's— anti-phishing technology to Google Chrome.
Yesterday, April 3, Microsoft released an emergency security update via Windows Update that fixes CVE-2018-0986, a vulnerability in the Microsoft Malware Protection Engine (MMPE).
The penetration testing and security auditing platform called Kali Linux is now available in the Windows 10 Store as a Linux environment that can be used in the Windows Subsystem for Linux. The problem is someone forgot one little thing. Some of its most popular packages are detected as hacktools and exploits by Windows Defender.
A security researcher has found a way to bypass the "Controlled Folder Access" feature added in Windows 10 in October 2017, which Microsoft has touted as a reliable anti-ransomware defensive measure.
Starting March 1st 2018, Windows Defender and other Microsoft products will begin to remove programs that display coercive behavior. This includes registry cleaners and system optimizers that offer free scans, display alarming messages, and then require the user to purchase it.before fixing anything.
On Wednesday, Microsoft started rolling out an update to all Windows products that rely on the Malware Protection Engine for security scans.
Security researchers from CyberArk have discovered a new technique that allows malware to bypass Windows Defender, the standard security software that comes included with all Windows operating systems.
Software experts from Trail of Bits — a well-known security R&D company — have sandboxed Windows Defender, the default antivirus solution that ships with recent Windows editions.
Microsoft has worked on adding security protections against two forms of code injection techniques known as process hollowing and atom bombing.
This fall, Microsoft plans to release a new Windows Defender feature called Controlled Folder Access, which blocks and blacklists unauthorized apps from making changes to files located inside specially-designated folders.
On Friday, Microsoft rolled out an out-of-band security update that patched a major security flaw in the Microsoft Malware Protection Engine (MsMpEng), a core security service part of the Microsoft ecosystem.
On Friday, Microsoft released an out-of-band security update to fix several issues with the Malware Protection Engine discovered by Google's Project Zero team.
Tavis Ormandy, the most famous of Google's security experts, has ported Windows Defender DLLs to Linux with the aid of a new tool he released today on GitHub.
In an emergency out-of-band update released late last night, Microsoft fixed a vulnerability in the Microsoft Malware Protection Engine discovered by two Google security experts over the weekend, and which the two described as "crazy bad" and "the worst Windows remote code exec in recent memory."
The Windows 10 Creators Update scheduled for launch later this year will include an upgrade of the default Windows Defender antivirus, which will feature a new settings panel named the Windows Defender Security Center.