Canada's electronic spy agency collects millions of emails from Canadians and stores them for "days to months" while trying to filter out malware and other attacks on government computer networks.

American and British spies hacked into the internal computer network of the largest manufacturer of SIM cards in the world, stealing encryption keys used to protect the privacy of cellphone communicat...

Leaking can serve the public interest, fueling revelatory and important journalism. Here are instructions for how to leak safely.