Specs, a liquor store chain based in Houston, Texas, has suffered a data breach. Cybercriminals had access to the computer systems of 34 stores for a total of 17 months, during which they might have stolen the details of as many as 550,000 customers and employees. In a statement published on its website last week, Specs revealed that the attack started on October 31, 2012. The attackers had access to the companys systems until March 20, 2014. The attackers had access to…