The original version of this story appeared in Quanta Magazine. For thousands of years, if you wanted to send a secret message, there was basically one way to do it. You’d scramble the message using a ...

At its core the PCI Data Security Standard is nothing more than a series of guidelines that constitute security best practices. But companies that institute programs to better protect cardholder data ...

When it comes to cryptocurrency security, what’s the best way to secure the private key? Obviously, the correct answer is to write it on a sticky note and put it on the bezel of your monitor; ...

Public and private keys are the fundamental building blocks of secure transactions in the world of cryptocurrencies. These cryptographic instruments existed long before digital currencies were ...

Several popular messaging apps, including Messenger, Signal, Telegram and WhatsApp, use end-to-end encryption. Open Rights Group/Flickr, CC BY-SA Imagine opening your front door wide and inviting the ...

Learn how to protect the information handled by your .NET applications by encrypting and decrypting the data using either a single key or a public/private key pair. Encryption transforms data into a ...

The U.S. government has attempted to obtain the master encryption keys that Internet companies use to shield millions of users' private Web communications from eavesdropping. These demands for master ...

Moxie Marlinspike—the pseudonym of an engineer who set a new standard for private messaging with the creation of the Signal ...

Public key encryption has long been a cornerstone in securing digital communications, allowing messages to be encrypted with a recipient’s publicly available key while only being decrypted by the ...