1. Health insurer anthem hit by hackers;Mathews;The Wall Street Journal,2015
2. Millions more Americans hit by government personnel data hack;Zengerle;Reuters,2015
3. Home depot investigates a possible credit card breach;Chen;The New York Times,2014
4. Home depot: Hackers stole 53m email addresses;Krebs;Krebs on Security,2014
5. Banks unsure which cards were exposed in breach;Creswell;The New York Times,2005