Visa issued two “Visa Data Security Alerts” warning merchants of an increase in attacks targeting credit card data. Target and Neiman Marcus have put a new spotlight on the security of point of sale (POS) systems. The recent memory-scraping malware attacks were nothing new, Visa said in April and August. The part that’s of particular interest is how the attackers were carrying out the attacks were carried out in the attacks. The hacker will install memory parsing malware on the Windows based cash register system in each lane or on Back-of-the-House servers to extract full magnetic stripe data.”]
Source: https://www.darkreading.com/attacks-breaches/how-to-defend-point-of-sale-systems