"I think this illumination that is happening now will continue to grow this year and reach a point where people will demand total transparency of data breaches at a federal level beyond the specific state level reporting laws we have now," said Maiffret, who said before he went legit, spent the early part of his life illegally hacking into companies and governments until being raided by the FBI, but was never arrested.
(Read more: Hotels testing keyless entry via smartphone app)
White Lodging on Tuesday did not respond to requests for more information, but some of the hotels did.
"Radisson deeply values the privacy of the personal information of our guests. The brand is working closely with White Lodging, the management company for our franchisee and the other 13 impacted hotels, as they investigate the breach at the Radisson Star Plaza in Merrillville," read a statement sent to CNBC on Tuesday by Carlson Rezidor, which owns Radisson, Park Plaza, Country Inns & Suites and Hotel Missoni.
"This is the only Radisson hotel managed by White Lodging. Since there is no evidence that the suspected breach originated with or impacted any systems that Radisson or Carlson Rezidor Hotel Group owns or controls, we do not have additional information to provide at this time."
Marriott had nine properties tied up in the breach: Marriott Midway in Chicago; Marriott Boulder in Boulder, Colo.; Marriott Denver South in Denver; Marriott Austin South in Austin, Texas; Marriott Indianapolis Downtown in Indianapolis; the Marriott Richmond Downtown in Richmond, Va; the Marriott Louisville Downtown in Louisville, Ky.; the Renaissance Broomfield Flatiron on Broomfield, Colo.; and the Renaissance Plantation in Plantation, Fla.
"We are working closely with the franchise management company as they investigate the matter," Marriott said in a statement issued Saturday. "Since this impacts customers of Marriott properties, we want to provide assurance that Marriott has a long-standing commitment to protect the privacy of the personal information that our guests entrust to us, and we will continue to monitor the situation closely."
InterContinental Hotels Group had two properties on the list: the Holiday Inn Midway in Chicago and the Holiday Inn Austin Northwest in Austin. "IHG is committed to protecting the privacy and personal information of our guests. IHG is in communication with White Lodging, who continues to provide updates on the investigation to their business partners, as well as to consumers via their website," the company said in a statement.
Starwood, which owns Sheraton and Westin hotels, also had two hotels on the list: the Sheraton Erie Bayfront in Erie, Pa., and Westin Austin at The Domain in Austin. "As you can imagine, the privacy and security of our guest information are very important to Starwood and we are working closely with White Lodging as they conduct their investigation," the company said in a statement to CNBC.
"To our knowledge, the system that manages hotel guests' credit card information was not affected at either of our properties."