Did DeepSeek-tied group improperly get OpenAI data? MS is investigating

Microsoft Corp. and OpenAI are investigating whether data output from OpenAI’s technology was obtained in an unauthorised manner by a group linked to Chinese artificial intelligence startup DeepSeek, said people familiar with the matter.
Microsoft’s security researchers in the fall observed individuals they believe may be linked to DeepSeek exfiltrating a large amount of data using the OpenAI application programming interface, or API, said the sources. Software developers can pay for a…