US Patent Issued to Calix on March 31 for "Controlling network access using risk levels determined by user activity and program versioning" (Chinese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,971, issued on March 31, was assigned to Calix Inc. (San Jose, Calif.).

"Controlling network access using risk levels determined by user activity and program versioning" was invented by Youwu Tu (Nanjing, China) and Jie Zhang (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A component controlling network access between a client and a server using application software versions to determine a risk level of the client. The component uses a first set of programs for negotiation with the client if the risk level is high, wherein the first set of programs includes programs with high security level, and it uses a second set of programs for ...