Certificates
New Secure Boot flaw lets attackers install bootkit malware, patch now
Security researchers have disclosed a new Secure Boot bypass tracked as CVE-2025-3052 that can be used to turn off security on PCs and servers and install bootkit malware. The flaw affects nearly every system that trusts Microsoft’s “UEFI CA 2011” certificate, which is pretty much all hardware that supports Secure Boot. Binarly researcher Alex Matrosov […]
Google Chrome to distrust Chunghwa Telecom, Netlock certificates in August
Google says it will no longer trust root CA certificates signed by Chunghwa Telecom and Netlock in the Chrome Root Store due to a pattern of compliance failures and failure to make improvements. The change will come in Google Chrome version 139, which is scheduled for release on August 1, 2025. The tech giant cites ongoing compliance […]
SSL/TLS certificate lifespans reduced to 47 days by 2029
The CA/Browser Forum has voted to significantly reduce the lifespan of SSL/TLS certificates over the next 4 years, with a final lifespan of just 47 days starting in 2029. The CA/Browser Forum is a group of certificate authorities (CAs) and software vendors, including browser developers, working together to establish and maintain security standards for digital certificates used […]
Microsoft Trust Signing service abused to code-sign malware
Cybercriminals are abusing Microsoft’s Trusted Signing platform to code-sign malware executables with short-lived three-day certificates. Threat actors have long sought after code-signing certificates as they can be used to sign malware to appear like they are from a legitimate company. Signed malware also has the advantage of potentially bypassing security filters that would normally block unsigned […]