Encrypted communication used to be too complicated for mainstream use, but approachable apps like WhatsApp and Signal have become a no-brainer for digital privacy. With all of their security-minded features, like disappearing messages and identity-confirming safety numbers, secure chat apps can rightfully give you peace of mind. You should absolutely use them. As the adage goes, though, there's no such thing as perfect security. And feeling invincible could get you in trouble.

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