Ukraine power 'hack attacks' explained
US investigators have accused Russia-based hackers of being behind an attack that caused blackouts across Ukraine in December.
The team said it was not possible to say whether it was the "Russian government or a well-funded [non-government] team".
However, one of the experts involved in the probe has warned that the UK and other countries could be vulnerable to similar cyber-attacks.
29 Feb 2016
- From the section Technology