![ransomware](https://img.helpnetsecurity.com/wp-content/uploads/2022/07/31190026/ransomware-keyboard-400x200.jpg)
New Buhti ransomware uses leaked payloads and public exploits
A newly identified ransomware operation has refashioned leaked LockBit and Babuk payloads into Buhti ransomware, to launch attacks on both Windows and Linux systems. Use of …
![Patch Tuesday](https://img.helpnetsecurity.com/wp-content/uploads/2023/02/14201322/patch_tuesday-400x200.jpg)
Microsoft fixes two actively exploited bugs, one used by BlackLotus bootkit (CVE-2023-29336, CVE-2023-24932)
For May 2023 Patch Tuesday, Microsoft has delivered fixes for 38 CVE-numbered vulnerabilities, including a patch for a Windows bug (CVE-2023-29336) and a Secure Boot bypass …
![Patch Tuesday](https://img.helpnetsecurity.com/wp-content/uploads/2023/02/14201322/patch_tuesday-400x200.jpg)
Microsoft patches zero-day exploited by attackers (CVE-2023-28252)
It’s April 2023 Patch Tuesday, and Microsoft has released fixes for 97 CVE-numbered vulnerabilities, including one actively exploited zero-day (CVE-2023-28252). About …
![3CX](https://img.helpnetsecurity.com/wp-content/uploads/2023/04/03150300/3cx-1600-400x200.jpg)
3CX supply chain attack: What do we know?
Five days have passed since the supply chain attack targeting 3CX customers gained wider public attention, but the software’s manufacturer is yet to confirm how the …
![Patch Tuesday](https://img.helpnetsecurity.com/wp-content/uploads/2023/02/14201322/patch_tuesday-400x200.jpg)
Microsoft patches zero-days used by state-sponsored and ransomware threat actors (CVE-2023-23397, CVE-2023-24880)
It’s March 2023 Patch Tuesday, and Microsoft has delivered fixes for 76 CVE-numbered vulnerabilities, including two actively exploited in the wild (CVE-2023-23397, …
![BlackLotus UEFI bootkit](https://img.helpnetsecurity.com/wp-content/uploads/2023/03/02100252/blacklotus-uefi-bootkit-1600-400x200.jpg)
BlackLotus UEFI bootkit disables Windows security mechanisms
ESET researchers have published the first analysis of a UEFI bootkit capable of circumventing UEFI Secure Boot, a critical platform security feature. The functionality of the …
![certificate](https://img.helpnetsecurity.com/wp-content/uploads/2018/02/09101804/certificate-400x200.jpg)
Researchers release PoC exploit for critical Windows CryptoAPI bug (CVE-2022-34689)
Akamai researchers have published a PoC exploit for a critical vulnerability (CVE-2022-34689) in Windows CryptoAPI, which validates public key certificates. “An attacker …
![patch Tuesday](https://img.helpnetsecurity.com/wp-content/uploads/2022/11/08204602/patch-tuesday-2022-400x200.jpg)
Microsoft fixes exploited zero-day, revokes certificate used to sign malicious drivers (CVE-2022-44698)
It’s December 2022 Patch Tuesday, and Microsoft has delivered fixes for 50+ vulnerabilities, including a Windows SmartScreen bypass flaw (CVE-2022-44698) exploited by …
![patch Tuesday](https://img.helpnetsecurity.com/wp-content/uploads/2022/11/08204602/patch-tuesday-2022-400x200.jpg)
Microsoft fixes many zero-days under attack
November 2022 Patch Tuesday is here, with fixes for many vulnerabilities actively exploited in the wild, including CVE-2022-41091, a Windows Mark of the Web bypass flaw, and …
![Patch Tuesday](https://img.helpnetsecurity.com/wp-content/uploads/2020/04/14193530/patch_tuesday-400x200.jpg)
Microsoft patches Windows flaw exploited in the wild (CVE-2022-41033)
October 2022 Patch Tuesday is here, with fixes for 85 CVE-numbered vulnerabilities, including CVE-2022-41033, a vulnerability in Windows COM+ Event System Service that has …
![Patch Tuesday](https://img.helpnetsecurity.com/wp-content/uploads/2020/04/14193530/patch_tuesday-400x200.jpg)
Microsoft fixes exploited zero-day in the Windows CLFS Driver (CVE-2022-37969)
September 2022 Patch Tuesday is here, with fixes for 64 CVE-numbered vulnerabilities in various Microsoft products, including one zero-day (CVE-2022-37969) exploited by …
![Software](https://img.helpnetsecurity.com/wp-content/uploads/2021/10/14111332/software_1200-400x200.jpg)
MiniTool Power Data Recovery 11.3 helps users with various data loss situations
MiniTool has released its data recovery software for Windows – MiniTool Power Data Recovery to version 11.3. The released version brings users brand-new data filtering …
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