Security-Enhanced Linux or Simply SELinux is a Linux kernel security module that provides a mechanism for supporting access control security policies, including mandatory access controls.

The official of GPG keys of MySQL are expired so the new installations and upgrades from the official package repository are failed with the following message.

AcidRain is an ELF MIPS malware designed to wipe modems and routers. It is designed to brute-force device file names and wipe every file it can find, making it easy to redeploy in future attacks.

B1txor20 is assembling its army of bot on Linux machines. It is exploiting the Log4j vulnerable systems to gain access and maintain foothold.

BVP47 is a NSA backed Tailored Access oprations (TAO) backdoor. It is detected by Chinese firm back in 2013 which it disclosed now.