Ken Westin, senior security analyst for Tripwire (www.tripwire.com): Much like many of the other breaches we have seen targeting the retail and hospitality, this is not an attack that targeted a single hotel or store. This was the result of a larger more sophisticated and orchestrated attack. When a larger group of organizations appear to be involved, it usually indicates that the breach took advantage of shared network resources or applications. Tripwire: Many organizations share backend systems and payment gateways to reduce costs and increase operational efficiency.”]