Proofpoint reports that a threat actor has used the tactic against critical infrastructure firms in the UAE, warns CISOs to watch for it elsewhere. A threat actor is using polyglot files to conceal ...

Operators of the StrRAT and Ratty remote access trojans (RAT) are running a new campaign using polyglot MSI/JAR and CAB/JAR files to evade detection from security tools. The campaign was spotted by ...

Steganography involves hiding data in something else — for example, encoding data in a picture. [David Buchanan] used polyglot files not to hide data, but to send a large amount of data in a single ...

Microsoft's October 2020 Patch Tuesday fixed 87 security bugs, one of which is an "Important" Windows Spoofing Vulnerability that abuses CAT files. The vulnerability enables attackers to create ...