Five brokerages in the country ignore demands to pay up $9,731 in Bitcoin or risk getting DDoS'ed.
Investigation unearths alleged scheme spread over several countries costing victims more than $1 million in losses.
Order follows victim appeal to hold the retailer liable for future identity theft claims stemming from the 2013 breach.
Investigation reveals payment cards of customers were compromised between August and December.
CenturyLink CSO David Mahon reflects on the evolution of the chief information security officer and why today's CISOs are increasingly adopting a risk-based approach to security.