Browsing Category: Apple

New Flashback Variant Using Twitter as Backup C&C Channel

Categories: Apple

The latest version of the Flashback malware that’s infecting Macs has a new command-and-control infrastructure that used Twitter as a fallback mechanism in case the normal C&C system isn’t available. This is not the first time a botnet has used Twitter for some form of command and control, but it’s a good example of the ways in which attackers are always adapting to defenders’ actions and changing their tactics.

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Slideshow: Bad Apples: Mac Malware through the Years

Categories: Apple, Malware, Vulnerabilities

VIEW SLIDESHOW Mac Malware through the YearsWith the recent glut of high profile Mac-based malware like MacDefender and Flashback, it’s easy to forget that Macintosh computers (and Mac malware) have been kicking around for more than thirty years – longer, even, than Windows malware. In fact, the first documented Mac virus actually predated some of the first PC viruses by a good four years.

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Conflicting Reports On Receding Flashback Levels

Categories: Apple

The number of Macs infected with the Flashback malware continue to decline but it’s not entirely clear to what degree. Initial numbers estimated that there were about 600,000 infected computers in total yet those numbers dropped last week to 237,000 and now, according to research by Symantec published last night, remained around the 140,000 mark this week.

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Many Mac Users Running Vulnerable Java Versions

Categories: Apple, Vulnerabilities

Researchers have known for a long time that many users don’t pay much attention to updating the third-party software, browser plugins and extensions, and that lack of care has been to the benefit of attackers for years. Attacks on Flash, Java, QuickTime and various other ubiquitous apps have been a major concern for Windows users for the better part of a decade, and now that same situation is presenting itself to Mac users. 

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