The new open-source project could serve as the basis for a future of apps with features as complex as Slack, Discord, or ...

A San Francisco company paid nearly $1 million for the solution to an unsolved code in Kryptos, a sculpture on the C.I.A.

They swear they haven’t peeked at the closely guarded secret and that they’ll keep the cryptographic competition going.

Microsoft on Tuesday released fixes for two high-severity zero-days that were disclosed by a researcher who has been locked ...