 Cyber security firm Kaspersky says it's shutting down all of its operations in the U.S. The move comes just weeks after the Commerce Department banned the use of the company's software over its connections to Russia. Kaspersky has previously denied that it's a security threat. The University of Virginia has terminated a second fraternity from campus amid a hazing investigation. Theta Chi joins Pi Kappa Alpha in being booted from the school. Two other fraternities are still under investigation.