OpenAI launches Lockdown Mode and Elevated Risk warnings to protect ChatGPT against prompt-injection attacks and reduce data-exfiltration risks.

Apple is finally testing RCS encryption in the iOS 26.4 beta, but for now, those secure green bubbles are sticking to iPhones ...

Signal is the best sexting app for most people, and it was a favorite among the experts I spoke with. This encrypted messaging app isn’t a place to find new sexting buddies, but it is a great app for ...

OpenAI has ruined Valentine’s Day for the saddest people you know. As of today, the company is officially deprecating and shutting off access to several of its older models, including GPT-4o—the model ...