Yesterday, Apple treated its customers to a number of updates across several products, including an update to iOS – bringing it to version 11.1 – that has a number of security fixes for bugs in Siri andMessenger, as well as fixes for arbitrary code execution vulnerabilities in the WebKit web browser engine, and in the kernel. Anyone with an iPhone 5s, iPad Air or later can apply this update, so if your Wi-Fi-enabled iDevice can update, I encourage you to do so right away.
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