* TA569 leverages many types of injections, traffic distribution systems (TDS), and payloads including, but not limited to, SocGholish. * In addition to serving as an initial access broker, these additional injects imply TA569 may be running a pay-per-install (PPI) service * TA569 may remove injections from compromised websites only to later re-add them to the same websites. * There are multiple opportunities for defense against TA569: educating users about the activity, using Proofpoint’s Emerging Threats ruleset to block the payload domains, and blocking .js files from executing in anything but a text editor.

A cybercriminal group has compromised a media content provider to deploy malware on the websites of hundreds of news outlets in the U.S. according to cybersecurity company Proofpoint.