Security firm Symantec says 140,000 Mac computers still infected with Flashback malware. Flashback is considered to be the largest Mac malware threat to date. The underlying Java vulnerability had been patched by Oracle in February. Apple has faced criticism for being quick to point out the security of Mac OS X, but slow to address security problems. Apple offers a standalone Flashback removal tool, along with a Java update that also removes Flashback, and you should still install the patch. A pair of new Mac malware threats have been discovered in targeted political attacks.”]
Source: https://www.csoonline.com/article/2131483/flashback-malware-still-affects-140-000-macs.html