Jag hade frågat på flera ställen, visar sig att svaret är Virus, av Bill Buchanan
Per en kort blurb på en författarens online bio :
Virus by Bill Buchanan is about a super virus that is uploaded into a space station that controls DEWSATs (Directed Energy Weapon SATellites). Each DEWSAT was an orbiting counterstealth weapon system, a satellite that could detect and destroy stealth missiles and aircraft from low earth orbit...