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Mass WordPress compromises redirect to tech support scams

Content Management Systems (CMSes) such as WordPress, Drupal, or Joomla are under a constant barrage of fire. Earlier this year, we detailed several waves of attacks against Drupal, also known as Drupalgeddon, pushing browser-based miners and various social engineering threats. During the past few days, our crawlers have been catching a larger-than-usual number of WordPress sites being hijacked. … [Read more...]

Partnerstroka: Large tech support scam operation features latest browser locker

Tech support scams continue to be one of the top consumer threats in 2018, despite actions from security vendors and law enforcement. Scammers are constantly looking for new ways to reel in more victims, going beyond cold calls impersonating Microsoft to rogue tech support ads using the good name of legitimate brands, and of course, malicious pop-ups. We have been monitoring a particular tech … [Read more...]

Tech support scammers make browser lockers more resilient

Tech support scammers have been relying on fraudulent pop-ups for many years in order to scare potential victims into calling for remote assistance. These so-called browser lockers (or browlocks) typically originate from malicious ads (malvertising) that can appear on any website, including trusted online portals. The purpose of browser lockers is not only to scare but also to create the illusion … [Read more...]