The US pizza chain California Pizza Kitchen (CPK) allegedly suffered a data breach that exposed the names and Social Security Numbers (SSNs) of over 100,000 current and former employees.
What Is California Pizza Kitchen?
Founded in 1985, California Pizza Kitchen (CPK) is an American casual dining restaurant chain that specializes in California-style pizza.
According to Wikipedia, the chain has over 250 locations in 32 U.S. states, and ten other countries, including 15 California Pizza Kitchen nontraditional franchise concepts designed for airports, universities, and stadiums.
When Did the Breach Happen?
According to a data breach notification, the incident occurred on September 15th when the company observed a disturbance on its systems. As per the notice, the number of persons affected (including residents) has reached 103767.
The pizza chain declared that it took immediate action in order to mitigate and investigate the attack with the help of third-party IT specialists.
The impacted individuals received a notice from CPK stating:
CPK immediately secured the environment and … launched an investigation to determine the nature and scope of the incident.
Although the attack was discovered on September 15th, it wasn’t until October 4th that the chain was able to determine threat actors had managed