Capital One becomes latest bank affected by cyberattack on debt-buying giant. The initial response to the incident focused on former customers of Bank of America, but Capital One has confirmed that its customers also were involved. Capital One is the latest financial institution to reveal that it was affected by a cyberattack on NCB Management Services, a company that purchases debt. The initial response to the incident focused on former customers of Bank of America, but in new letters filed with regulators in several states, Capital One confirmed that its customers were involved. Third-party company: NCB Management Services, Inc..