Security update includes Spectre fix for Safari.

Apple has released an iOS security update for all users that includes the patch for Safari and WebKit that fixes the Spectre problem. Spectre is an attack hackers use on microchips to gain access to sensitive data that is stored on personal computers and smartphones. Late last week, Apple announced that all mac systems and iOS devices were affected by Spectre microprocessor flaws. The company released updates for iOS, macOS, and tvOS to defend against Meltdown and today, they have released iOS 11.2.2 in order to put mitigations in place for Safari.

The security notes for the update state:

iOS 11.2.2
Released January 8, 2018

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Description: iOS 11.2.2 includes security improvements to Safari and WebKit to mitigate the effects of Spectre (CVE-2017-5753 and CVE-2017-5715).

This iOS update is recommended for all users. More information can be found by visiting, support.apple.com/en-us/HT208401.

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