13,000 MikroTik Routers Hijacked by Botnet for Malspam and Cyberattacks

A global network of about 13,000 hijacked Mikrotik routers has been employed as a botnet to propagate malware via spam campaigns, the latest addition to a list of botnets powered by MikroTik devices.
The activity “take[s] advantage of misconfigured DNS records to pass email protection techniques,” Infoblox security researcher David Brunsdon said in a technical report published last week. “This