![]() Yet many users never update their systems or other software. Much of the new malware appearing lately has been taking advantage of Java or Microsoft Office vulnerabilities that have already been patched. First and foremost is ensuring that all software is up-to-date. ![]() ![]() And Mac users should be concerned! But it’s very important to understand that there are some very simple things Mac users can do to protect themselves. This flood of reports in a one week period, following up on the high infection rates being reported from earlier variants of Flashback, seems concerning. (There have been several reports on the Apple Support Communities from people who have discovered this malware on their systems, but no reports about how it got there or what it does beyond the single-sentence description on the Sophos site.) And another new bit of malware called Maljava was seen by Symantec, infecting both Mac and Windows users through one of the same Java vulnerabilities that Flashback has been using. A new trojan, named FkCodec, was discovered in Sophos’ threat database, but without any other announcement, details are extremely sparse. A minor new variant of Flashback was reported by Intego, using the same Java vulnerabilities, proving that the Flashback hacker(s) are still actively working at infecting people. And this week, all within a 24-hour period, came announcements of three other developments. This new variant apparently has been observed taking advantage of the same Microsoft Office vulnerability as the Tibet malware. Last week, a minor new variation of the Sabpab malware was reported by Sophos. But how much do Mac users really need to worry about this? That’s a hard question to answer, since every individual will have a different threshold for worry, but let’s start with some facts. * This increase in Mac malware is a concerning trend, and is making for lots of juicy news stories in the media. Several new malware programs have appeared for the Mac in the last week or so, bringing the grand total of new Mac malware in the first four months of 2012 to 5, compared to 6 for all of 2011. April 25th, 2012 at 12:27 PM EDT, modified
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