Curious how the Caesar Cipher works? This Python tutorial breaks it down in a simple, beginner-friendly way. Learn how to encode and decode messages using one of the oldest and most famous encryption ...

A single leaked hint exposed the CIA’s most puzzling code. But dozens of the world’s toughest ciphers are still waiting to be solved.

The free, popular Signal communications app will add quantum-resistant encryption to its messaging system, aiming to protect conversations from future decryption by powerful quantum computers. The end ...

Just because you have antivirus software installed on your PC doesn't mean a zero-day Trojan can't steal your personal data. The best encryption software keeps you safe from malware (and the NSA).

Satellites beam data down to the Earth all around us, all the time. So you might expect that those space-based radio communications would be encrypted to prevent any snoop with a satellite dish from ...

The encryption protecting communications against criminal and nation-state snooping is under threat. As private industry and governments get closer to building useful quantum computers, the algorithms ...

Warning: This article contains full spoilers for Gen V Season 2, Episode 7! From the beginning, all the biggest mysteries in Gen V Season 2 have revolved around Hamish Linklater’s Dean Cipher. Who is ...

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Melissa Horton is a financial literacy professional. She has 10+ years of experience in the financial services and planning industry. Robert Kelly is managing director of XTS Energy LLC, and has more ...