Guide Publishing Group,

Under Review: 
No Review
Date Breach Made Public: 
December 28, 2011
San Francisco , CA
United States
California US

An unknown number of people were affected by the breach nationwide.  Guide Publishing Group reported that 11 people in the state of New Hampshire were affected.

Records Breached: 


Breach Total Number: 
Year of Breach: 
Type of organization: 
Type of breach: 

Hackers inserted code onto the server that hosts and accessed customer credit card numbers.  The CVC2/CVV2/CID codes, customer names, and addresses associated with the credit card numbers were also accessible through the server.  The breach was discovered on October 28, but the malicious code had been present since November 19, 2010.