Beyond the breach - cyber attacks force a defence strategy re-think

By Jeremy Wagstaff SINGAPORE (Reuters) - A barrage of damaging cyber attacks is shaking up the security industry, with some businesses and organisations no longer assuming they can keep hackers at bay, and instead turning to waging a guerrilla war from within their networks. U.S. insurer Anthem Inc last week said hackers may have made off with some 80 million personal health records. Also, Amy Pascal said she would step down as co-chairman of Sony Pictures Entertainment, two months after hackers