When sending your credit card number through a public medium, such as the Internet, your financial credibility may be compromised if the number is not first encrypted. It is impossible to tell who may ...

Digital security depends on the difficulty of factoring large numbers. A new proof shows why one method for breaking digital encryption won’t work. My recent story for Quanta explained a newly proved ...

RSA certificates still vulnerable to 2019 flaw, reaearchers say. Update, March 20, 2025: This story, originally published March 17, has been updated with a statement from RSA regarding the encryption ...

A new research paper by Google Quantum AI researcher Craig Gidney shows that breaking widely used RSA encryption may require 20 times fewer quantum resources than previously believed. The finding did ...

Editor’s note: This article originally published 12-22-13, but was updated 12-23-13 with RSA’s comments. The U.S. National Security Agency (NSA) paid $10 million to vendor RSA in a “secret” deal to ...