Cyber security 101: Protect your privacy from hackers, spies, and the government

"I have nothing to hide" was once the standard response to the occasional surveillance experience by way of cameras, border checks, or casual questioning by law enforcement.

Privacy used to be considered generally balanced in many countries -- at least, in the West -- with a few changes to rules and regulations here and there often made only in the name of the common good.

Things have changed, and not for the better.

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