120 Compromised Ad Servers Target Millions of Internet Users

An ongoing malvertising campaign tracked as “Tag Barnakle” has been behind the breach of more than 120 ad servers over the past year to sneakily inject code in an attempt to serve malicious advertisements that redirect users to rogue websites, thus exposing victims to scamware or malware.
Unlike other operators who set about their task by infiltrating the ad-tech ecosystem using “convincing