Close WVU computer science major Heather Fetty works with members on the West Virginia National Guard during Operation Locked Shield, an international cybersecurity training exercise. WVU Photo by Brian Persinger WVU students take part in international cybersecurity exercise Times West Virginian 4 hrs ago WVU computer science major Heather Fetty works with members on the West Virginia National Guard during Operation Locked Shield, an international cybersecurity training exercise. WVU Photo by Brian Persinger MORGANTOWN â It's not often that WVU students from media, law, computer science and engineering get to work together, much less on one of the most challenging exercises involving the U.S. and Polish allies.