BusinessTalkTalk shares plunge again over cyber attack compensation bill fearsStaying put: TalkTalk chief Dido Harding has vowed to stay on after the cyber attackAnthony Devlin/PARussell Lynch26 October 2015Pressure on TalkTalk mounted today as fears of a huge compensation bill following the cyber-attack on the business wiped millions more off the shares.The company, which said last week that the details of four million customers had been compromised, could face a compensation bill running into millions as scammers con victims in the wake of the security breach.Reports suggested that duped customers could be entitled to £1000 each.Shares plunged a further 16.3p or 6% to 240.5p today in a second day of big losses.Since news of the scandal broke TalkTalk’s stock has fallen almost 12% in total, erasing more than £260 million from the value of the company.Read MoreCulpeper pub boss: Rates system is not fit for purpose — and not fairMore than 2,000 hospitality businesses 'set to close this year' Mining companies hold FTSE back in quiet end to the weekSponsoredWinter escapes and activities to end the year in style Chief executive Dido Harding is determined to hang on to her job and has drafted in experts from BAE Systems to investigate the hack.But the company is also facing attacks from consumer groups such as Which? for charging affected customers a penalty fee to go elsewhere.William Hill makes Harding an 11/4 shot to lose her job by January.MORE ABOUTDido HardingTalkTalkCyber Securitycyber crime