According to a report from Forbes, tens of millions of Mac OS X users have a "backdoor" on their systems, created by a vulnerability named Rootpipe. But surely Apple will be issuing a patch for it, right? Well, no. The company's policy on patching older computers means the only way to get protection from this one is to upgrade to Yosemite (OS X 10.10 or above).
The vulnerability, discovered last October, has been there in OS X for around four years and an exploit can allow an attacker to obtain administrative privileges without authenticating properly.
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