► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />UK telecoms group TalkTalk has warned that personal information belonging to its 4m customers might have been stolen in a cyber attack. Murad Ahmed explains what might have happened and the impact on the telecoms group.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
