Cato CTRL™ Threat Research: Oyster Malware Loader Targets Tech-Savvy Users with Smarter Techniques During Summer Malvertising Campaign

Executive Summary  Summertime in the U.S., Europe, and many other regions typically falls between June and September . Tech teams, admins, and even their bosses take vacations. Inboxes slow down, and production systems finally get a breather. But for the threat actors behind Oyster, while others were reaching for sunscreen or enjoying real sea fishing, they launched their own phishing campaign using something far more effective than email and sharpened their hook. After…

Diamond Model