The FBI has arrested another suspected co-conspirator of ShinyHunters after the group…

The Hacker News reports that attackers have compromised open-source maintainer accounts to push a malicious GitHub Actions workflow into more than 340 repositories, with more than 500 GitHub accounts affected since October 7. The workflow is designed to steal secrets, including cloud, SaaS and AI credentials. Developers should check for the named workflows, revoke compromised GitHub credentials, rotate secrets, and delete the malicious workflow from all branches.

SecurityWeek reports that Bitdefender found Midnight Mimosa, a campaign that ships malware preinstalled in the firmware of low-cost Android devices built on MediaTek platforms. The malware can silently install and remove apps, grant permissions, and load code remotely, and some related apps were also found on Google Play. Windows users should be cautious with cheap devices and avoid installing apps from untrusted sources.

Malwarebytes Labs reports that attackers compromised infrastructure behind the .gh, .sl, and .as country-code domain namespaces and used it to obtain unauthorized HTTPS certificates for Google domains and other organizations. Google blocked the certificates in Chrome and worked with certificate authorities to revoke them. Windows users should keep their browser and operating system updated and never bypass certificate warnings.