Developer finds hidden GUID watermark in Microsoft's AI image tools
A developer probing Windows 11's Paint app discovered an invisible watermarking function called WmkWriteWatermark in a DLL. The watermark is applied to all images generated via Paint or Photos AI features, even those processed locally on Copilot+ PCs. Microsoft also adds a visible Copilot logo watermark to such images.
This summary is AI-generated and original to Mobble; the linked article is the authoritative source.
Original headline: “Microsoft Paint and Photos apps add invisible watermark to AI-generated content — developer reverse engineers GUID embedding.” Browse more stories.