Before companies like Microsoft and Apple release new software, the code is reviewed and tested to ensure it works as planned and to find any bugs. Hackers and cybercrooks do the same.
According to multiple reports, unnamed government officials have said that the cyber attack on Sony Pictures was linked to the North Korean government.
Several years ago, Vint Cerf visited the Guardian in his capacity as Google’s “evangelist in chief” – the kind of Silicon Valley title you can carry off only if you have invented the internet, which, luckily for Cerf, he had.