Enlarge (credit: Getty Images) For the past year, previously unknown self-replicating malware has been compromising Linux devices around the world and installing cryptomining malware that takes unusual steps to conceal its inner workings, researchers said. The worm is a customized version of Mirai, the botnet malware that infects Linux-based …

Enlarge (credit: Aurich Lawson / Ars Technica ) Miscreants are actively exploiting two new zero-day vulnerabilities to wrangle routers and video recorders into a hostile botnet used in distributed denial-of-service attacks, researchers from networking firm Akamai said Thursday. Both of the vulnerabilities, which were previously unknown to their manufacturers and to …