Microsoft Technology Licensing LLC was granted European Patent EP4078417A1 for techniques in detecting anomalous network activity. The patent, published March 25, 2026, covers methods using trained classifiers and machine learning algorithms (classified under G06N 5/01 and G06N 7/01) to identify unusual network behavior patterns. The designated states include all EU member states plus Switzerland, Norway, and other European countries.

Patent publications do not create compliance obligations or require regulatory action. Compliance teams may reference this patent for awareness of Microsoft's intellectual property in AI-driven network security. No deadlines, filing requirements, or penalties are associated with this publication.