Last month the British Library suffered a ransomware attack. Its online systems and services were paralysed, personal data stolen, and the attackers demanded a ransom of 20 bitcoin, or around £600,000. The library remains open, but it is severely disrupted.
DOMINIC SANDBROOK: All of this unfolded before a national audience of 20 million people, gathered in front of their fizzing black-and-white televisions. None of them ever forgot it.