Which cybersecurity measure was specifically developed for military museum gift shops after a major 2018 data breach exposed customers' payment information at three prominent war museums?

The retail operations in military museums face unique cybersecurity challenges due to the sensitive nature of their collections and the historical data they maintain. These shops often process transactions involving collectibles, replicas, and memorabilia with significant historical value. How well do you understand the cybersecurity measures that protect these specialized retail operations in the military history sector?

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Heritage Shield Protocol - a specialized POS encryption system designed to protect transactions involving historical memorabilia and collectibles
Artifact Secure Network - a standard retail security system adopted from mainstream retail and applied to museum settings
Memorial Data Defense - a government-mandated security standard applied to all federally-funded museums regardless of specialty
Legacy Protection Framework - a museum-wide security protocol focused primarily on physical security with digital components added later