It was this simple: In 2012, hackers stole 117 million password and email combinations from LinkedIn. A few weeks ago, the cache was put up for sale on the dark web for around £1,500. Located in that list, reportedly, was Mr Zuckerberg.
His password, unbelievably, was “dadada”, itself a security nightmare: it would take under 25 seconds for a brute force attack to crack it, according to one password checker. No capital letters, numbers or any other device.