UK officials now say Russia was behind last year's "Petya" cyberattack. But they think the virus was targetted just at Ukraine and was never supposed to spread as widely as it did.
For full interview [click here](https://cheddar.com/videos/uk-says-russia-behind-petya-cyberattack).
OpenAI has released a fourth version of ChatGPT, called GPT-4, that understands images. This means it can look at a photo and provide general information about what's in it.
At its annual health event on Tuesday, Google announced a series of changes to its search tool that it said will make it easier to access information about affordable health care services.
