A quantum computer capable of breaking the encryption that secures the internet now seems to be just around the corner. Stunning revelations from two research teams outline how it could happen, with ...

Scientists have unveiled a new approach to ultra-secure communication that could make quantum encryption simpler and more efficient than ever before. By harnessing a 19th-century optics phenomenon ...

Building a utility-scale quantum computer that can crack one of the most vital cryptosystems—elliptic curves—doesn’t require nearly the resources anticipated just a year or two ago, two independently ...

The world could be caught off guard by quantum hackers before the end of this decade — much sooner than expected. This is the take-home message of two studies posted independently on 30 March, one a ...

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

These are the top private messaging services we've tested to keep your conversations confidential from advertisers, governments, and any other prying eyes. I review privacy tools like hardware ...

The purpose of a password is to verify who a user is. Without knowing the password, you cannot use a user ID to sign into a network. Unfortunately, many people have user IDs and passwords for many ...