A Las Vegas casino operator that filed a lawsuit against a cybersecurity firm the company hired in the wake of a 2013 data breach may be paving the way for other businesses to take contracted cybersecurity companies to court.

Trustwave, which is based in Chicago, was hired by Affinity Gaming to investigate a hack that exposed the details of credit cards belonging to as many as 300,000 customers, who used them at restaurants, hotels and gift shops on its casino properties.