Microsoft recently confirmed that it is finally deprecating RC4, the encryption method used by the Kerberos authentication protocol for the past three decades. Developed by mathematician ...

Instagram is introducing a new tool that lets you see and control your algorithm, starting with Reels, the company announced on Wednesday. The new tool, called “Your Algorithm,” lets you view the ...

From Ethereum experiments to Big Tech rollouts, decentralized identity in 2025 highlighted how selective disclosure and privacy-first verification are gaining ground.

Discover how the Luhn Algorithm verifies credit card accuracy, supports secure transactions, and helps prevent errors in inputting Social Security numbers.

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

The safest way to secure your data on Windows is by keeping it in encrypted vaults. You can create hidden, password-protected ...

Scientists have now sequenced more than two million bacterial and archaeal genomes, outstripping the ability to perform gold-standard searches for genes. LexicMap is a new tool that can scan millions ...

We don’t know exactly what he said, but in 1971, Ray Tomlinson used Arpanet to send the first email ever. You can bet he was only thinking about getting the message to its destination, not about ...