The social networking site is facing criticism for blocking access to the site, which identifies thousands of ICE agents and other employees working for Homeland Security.

A hacker obtained personally identifiable information about more than 40,000 Homeland Security staffers, which has since been published online.

Two critical bugs in the PHP web programming language, used by the majority of the internet, threatened to upend the internet — and it's unlikely to be the last major software scare.

See what you missed in Daily Tech Insider from Oct. 12–16.

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