![]() ![]() (You may need to scroll down.) Go to Security, click the pop-up menu next to Allow applications downloaded from, then choose the sources from which you’ll allow software to be installed: App Store: Allows apps only from the Mac App Store. While you are technically still able to re-enable automatic execution of Java applets, the update will disable it once again if it detects that, after a period of time, no applets have been run. On your Mac, choose Apple menu > System Settings, then click Privacy & Security in the sidebar. On top of fixing the exploit used by the Flashback malware, the update also will disable the automatic execution of Java applets, further diminishing the chance of the malware silently making its way onto your Mac. Apples removal tool for Flashback is similar to its previous one for dealing with the MacDefender infection. Yesterday, they released a Java update that they hope will take care of the vulnerability, named Java for OS X 2012-003. With 600,000 Macs infected (1% of the Mac user base), Apple had to do something. However, the latest iterations of the Trojan no longer require user interaction to get within a Mac due to a Java exploit. Apple says it is developing software that will detect and remove malware estimated to have infected more than 650,000 Macs running the OS X operating system. Third-party security companies have released tools to check your computer for Flashback malware and remove it, but this new tool is official from Apple. In its beginnings, it required user interaction – through a dodgy looking Adobe Flash Installer – to lodge itself into one’s Mac. Flashback, malware built to grab private information such as passwords entered in by users in applications, has evolved over time into a very dangerous piece of malicious software. While Macs have been notorious for being impervious to viruses – at least in terms of perception, while they were vulnerable, far more viruses were produced for Windows than OS X – their reputation for impeccable security is certainly being questioned now. ![]()
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