February 2021 – Page 9

Avaddon ransomware fixes flaw allowing free decryption

The Avaddon ransomware gang has fixed a bug that let victims recover their files without paying the ransom. The flaw came to light after a security researcher exploited it to create a decryptor. […]

11 Feb

Internet Explorer 11 zero-day vulnerability gets unofficial micropatch

An Internet Explorer 11 zero-day vulnerability used against security researchers, not yet fixed by Microsoft, today received a micropatch that prevents exploitation. […]

11 Feb

Microsoft releases emergency fix for Windows 10 WiFi crashes

Microsoft has released an emergency KB5001028 out-of-band update to fix a bug causing Windows 10 to crash when connecting to WPA3 Wi-Fi networks. […]

11 Feb

Microsoft warns of an increasing number of web shell attacks

Microsoft says that the number of monthly web shell attacks has almost doubled since last year, with an average of 140,000 such malicious tools being found on compromised servers every month. […]

11 Feb

Intel fixes vulnerabilities in Windows, Linux graphics drivers

Intel addressed 57 vulnerabilities during this month’s Patch Tuesday, including high severity ones impacting Intel Graphics Drivers. […]

11 Feb

12-year-old Windows Defender bug gives hackers admin rights

Microsoft has fixed a privilege escalation vulnerability in Microsoft Defender Antivirus (formerly Windows Defender) that could allow attackers to gain admin rights on unpatched Windows systems. […]

11 Feb

TrickBot’s BazarBackdoor malware is now coded in Nim to evade antivirus

TrickBot’s stealthy BazarBackdoor malware has been rewritten in the Nim programming language, likely to evade detection by security software. […]

11 Feb

Hackers ask only $1,500 for access to breached company networks

The number of offers for network access and their median prices on the public face of hacker forums dropped in the final quarter of last year but the statistics fail to reflect the real size of the initial access market. […]

10 Feb

French MNH health insurance company hit by RansomExx ransomware

French health insurance company Mutuelle Nationale des Hospitaliers (MNH) has suffered a ransomware attack that has severely disrupted the company’s operations. BleepingComputer has learned. […]

10 Feb

Microsoft Office February security updates patch Sharepoint, Excel RCE bugs

Microsoft has addressed important severity remote code execution vulnerabilities affecting multiple Office products in the January 2021 Office security updates. […]

Month: February 2021

Avaddon ransomware fixes flaw allowing free decryption

Internet Explorer 11 zero-day vulnerability gets unofficial micropatch

Microsoft releases emergency fix for Windows 10 WiFi crashes

Microsoft warns of an increasing number of web shell attacks

Intel fixes vulnerabilities in Windows, Linux graphics drivers

12-year-old Windows Defender bug gives hackers admin rights

TrickBot’s BazarBackdoor malware is now coded in Nim to evade antivirus

Hackers ask only $1,500 for access to breached company networks

French MNH health insurance company hit by RansomExx ransomware

Microsoft Office February security updates patch Sharepoint, Excel RCE bugs