Security News

Twelve-Year-Old Vulnerability Found in Windows Defender
2021-02-24 12:19

Researchers found, and Microsoft has patched, a vulnerability in Windows Defender that has been around for twelve years. There is no evidence that anyone has used the vulnerability during that time.

12-year-old Windows Defender bug gives hackers admin rights
2021-02-11 14:00

Microsoft has fixed a privilege escalation vulnerability in Microsoft Defender Antivirus that could allow attackers to gain admin rights on unpatched Windows systems. Microsoft Defender Antivirus is the default anti-malware solution on over 1 billion systems running Windows 10 according to Microsoft's stats.

Microsoft emits 83 security fixes – and miscreants are already exploiting one of the vulns in Windows Defender
2021-01-12 21:11

One of these bugs is publicly known, according to Microsoft, while another, a remote-code execution hole in the Windows Defender security system, is actively being exploited. CVE-2021-1647 is a Microsoft Defender remote code execution vulnerability.

QBot uses Windows Defender Antivirus phishing bait to infect PCs
2020-10-12 15:50

The Qbot botnet uses a new template for the distribution of their malware that uses a fake Windows Defender Antivirus theme to trick you into enabling Excel macros. Qbot, otherwise known as QakBot or QuakBot, is Windows malware that steals bank credentials, Windows domain credentials, and provides remote access to threat actors who install ransomware.

QBot uses Windows Defender Antivirus lure to infect computers
2020-10-12 15:50

The Qbot botnet uses a new template for the distribution of their malware that uses a fake Windows Defender Antivirus theme to trick you into enabling Excel macros. Qbot, otherwise known as QakBot or QuakBot, is Windows malware that steals bank credentials, Windows domain credentials, and provides remote access to threat actors who install ransomware.

Windows Defender Detected Citrix Services as Malware
2020-08-14 12:28

Windows Defender has caused problems for some Citrix customers after deleting two services incorrectly detected as malware. Windows Defender users who installed the update may have had their Citrix Broker and HighAvailability services on Delivery Controllers and Cloud Connectors deleted after they were erroneously detected as a trojan.

Microsoft Releases Emergency Patches for IE 0-Day and Windows Defender Flaw
2019-09-24 08:03

It's not a Patch Tuesday, but Microsoft is rolling out emergency out-of-band security patches for two new vulnerabilities, one of which is a critical Internet Explorer zero-day that cyber...

Week in review: CISO do’s and don’ts, Windows Defender scan fail, new issue of (IN)SECURE
2019-09-22 09:00

Here’s an overview of some of last week’s most interesting news, articles and podcasts: CISO do’s and don’ts: Lessons learned Keeping a business safe from cyber threats while allowing it to thrive...

Microsoft Silent Update Torpedoes Windows Defender
2019-09-19 16:47

Microsoft broke its built-in antivirus utility, thanks to a patch for a different issue.

Microsoft Rushes to Fix Bug That Broke Windows Defender Scans
2019-09-19 12:08

Microsoft has rushed to fix a bug that prevented users from running a quick scan or a full system scan with Windows Defender. Many users reported this week that after they installed the latest...