Inside Target Corp., Days After 2013 Breach

Krebs on Security | 22 September

In December 2013, just days after a data breach exposed 40 million customer debit and credit card accounts, Target Corp. hired security experts at Verizon to probe its networks for weaknesses. The results of that confidential investigation — until now never publicly revealed — confirm what pundits have long suspected: Once inside Target’s network, there was nothing to stop attackers from gaining direct and complete access to every single cash register in every Target store.