The only way to keep absolute security is to unplug your computers from the network, lock them in a safe, and prevent all access. This, however, is not practical. What you need is a way of checking systems...
Twenty-year-old cyber security researcher apprehended on suspicion of involvement
MPs question legal basis for facial recognition trials conducted by police forces
Neither Apple nor Microsoft have yet issued a fix
Trump could stop JEDI cloud contract over competition concerns as bidding comes down Microsoft versus Amazon