Microsoft had 469 patents in cybersecurity during Q4 2023. Microsoft Corp’s Q4 2023 patents focus on software-based authentication using mutable data to deter counterfeiters, training machine-learning models for anomaly detection based on sensitivity scores, detecting and mitigating abusive network activity based on browser version usage, enforcing security policies on network connections using requestor identity, and managing secrets for accessing resources by creating two valid secrets for a client device. GlobalData’s report on Microsoft gives a 360-degreee view of the company including its patenting strategy. Buy the report here.

Microsoft grant share with cybersecurity as a theme is 34% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.

Recent Patents

Application: Authentication using mutable data (Patent ID: US20230418926A1)

The patent filed by Microsoft Corp. describes a software-based authentication technique that uses mutable authentication data to prevent counterfeiters from creating clones of authentic clients. The system involves issuing mutable authentication data to a client, storing it in association with the client's identifier, and updating the data upon successful authentication. This approach ensures that clones unable to present the most recent authentication data are rejected, making it difficult for counterfeiters to create multiple working clones simultaneously.

The system and method outlined in the patent involve storing mutable authentication data in association with a client's identifier, receiving authentication requests with corresponding data, and generating new authentication data upon successful matches. The process includes comparing data, generating random strings for authentication, overwriting previous data with new updates, and handling requests based on unique identifiers and reset periods. The system also includes provisions for receiving tokens from an authentication service and presenting them to hosts, as well as incorporating game controllers into the authentication process. Overall, the patent details a comprehensive approach to software-based authentication that enhances security by constantly changing authentication data to deter counterfeiters effectively.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.