Three of four allegations in a class action suit filed by financial institutions against Target can proceed.
Credit union online banking systems could be seized by hackers.
Credit unions underestimate the likelihood they will - or have already - been infiltrated by politically-motivated hackers.
Roman Seleznev, known in the criminal underground as Track2, stands accused of stealing 180K credit cards.
A new survey found that hack attacks on small and medium-sized businesses are usually successful and that the money often is not recovered.
Even people who know better fell victim to a social engineering test conducted by Trusteer, the company says.