5 Steps Retailers Should Take to Handle a Cyberattack

2. Contain (or not contain). POS terminals have significant vulnerabilities that make it easy for hackers to target. Hackers have found ways to grab card data before it's encrypted into a POS system's memory. Whether it's foot traffic or website traffic, open ports — USBs, ethernets and tampering with POS devices — have all proven themselves as a security risk. Hackers can easily gain physical and virtual access to a network and move laterally to the targeted data.