Artificial Intelligence risks “undermining the fabric of our society” because people will no longer be able to tell the difference between truth and lies, according to Britain's former cyber security chief. Ciaran Martin warned as it becomes capable of impersonating real people AI could make it much more difficult to see what is `true and reliable'. (Image: PA)The cyber expert, now of Oxford's Blavatnik School of Government, said ministers face a tough time trying to impose controls on AI development. “And actually you end up being behind the curve in terms of the way in which the technology advances. Culture Secretary Lucy Frazer appeared to play down the possible threats this week describing AI as "both an opportunity and a challenge".