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Apple updates iOS with enough regularity that it begins to feel routine. And most time, it is, especially the farther you get from the company’s yearly, feature-packed version overhauls. iOS 10.2.1, released today, is not routine. In fact, it’s very important that you download it as soon as you reasonably can.Most iOS updates involve security fixes of varying severity. iOS 10.2.1, though, protects against a wide range of potentially devastating attacks. Apple details over a dozen vulnerabilities in all in the iOS 10.2.1 release, including 11 focused around WebKit, the browser engine behind Safari, the App Store, and lots of iOS apps. They also include two instances in which a malicious application could execute arbitrary code with kernel privileges, which is to say, it could take complete control of your device.“It can add files, delete files, or execute any actions,” says JP Taggart, senior security researcher at Malwarebytes. “Want to record conversations and forward them to someone else? It can do that. Want to install additional malicious software? It can do that. Want to uninstall programs on the affected phone? It can do that. Want to hide these actions, programs and files from the user? It can do that too.”Several of the WebKit vulnerabilities can also lead to arbitrary code execution, and may be even more alarming. That’s because while Apple can limit the number of malicious apps in its ecosystem through App Store vetting, WebKit presents a less filtered opportunity for malice. https://www.wired.com/2017/01/new-ios-update-fixes-big-security-holes-get-now/
