https://apnews.com/42226eee3d5bb51a7c7cbaabb178cd40

Microsoft said Thursday in a blog pos t that hackers tied to a massive intrusion of dozens of U.S. government agencies and private companies sneaked further into its systems than previously thought, although the intrusion doesn't appear to have caused any additional harm.

The company said the hackers were able to view some of the code underlying Microsoft software, but weren't able to make any changes to it.