Exes can be a scary thing. Best case, they constantly turn up on your Facebook feed; worst case they constantly turn up at your house, and burn your name into your front lawn (OK that’s not even worst case). And if they’re an ex-employee, they could turn up in your system and cause your business hundreds of thousands of pounds’ worth of damage. That’s why you hide their Facebook posts, have a fire extinguisher to hand at all times, and protect your computing solutions. The fogginess of cloud security has struck fear into the hearts of many business owners, but…