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Keep POS software up-to-date by installing software updates, which often contain important security patches implemented as a result of newly discovered vulnerabilities.
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Any apps that might normally add risk, like web browsers or email, are blocked, thus preventing malware infections through these channels. Implement application whitelisting, which allows only necessary applications to run on a POS system.Encrypt all POS data upon entry and decrypt it only when it reaches the payment processor.READ MORE Best Practices for POS SecurityĮnterprise should take several measures to improve POS security, prevent POS malware infections, and avoid POS data breaches: Wendy’s is facing multiple class action suits related to the incident. Wendy’s: One of the most recent examples of a data breach stemming from a POS security compromise came earlier this year when the fast food chain confirmed that 1,025 of its stores had been infected with POS malware, resulting in a data breach of an undisclosed number of records.Up to 56 million customers spanning 2,200 stores were impacted by the data breach, and Home Depot paid $19 million as settlement for a resulting class action suit. Home Depot: In September 2014 news broke that yet another major retailer had been hit with POS malware and an ensuing breach of POS system data.Target ended up settling a class action suit from the breach for $39 million and incurring another $19.9 million in associated legal costs. Target: The retail giant fell victim to one of the largest and most publicized data breaches of all time in late 2013 after attackers infected its POS systems with the Trojan.POSRAM malware and stole PII and payment card information on as many as 70 million target customers.Here are just a few examples from recent years: Many of the most high profile data breaches of customer payment information involved POS security compromises. Examples of Data Breaches Involving POS Security Compromises From there the data is moved to another location within the target’s environment for aggregation and finally offloaded to an external location accessible to the attacker. Once inside, the attacker installs malware, which spreads until it can access the system’s memory and collect the desired data.
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According to the SANS Institute, “the basic POS breach phases include infiltration, propagation, exfiltration and aggregation.” In the first phase, an attacker gains access to the targeted systems, often by exploiting a system vulnerability or through social engineering techniques. Many attackers are just looking for targets using systems that are vulnerable and launching automated attacks on their POS environments. It is important to acknowledge that all POS systems do have some level of risk when it comes to security. POS security aims to create a safe environment for customers to complete their purchases and transactions, and it’s a must-have measure for fostering trust with today’s consumers. POS security, or point-of-sale security, is the prevention of unauthorized access to electronic payment systems by individuals who are typically looking to steal customers’ personal details such as credit card information.
WHATS A POS HOW TO
Learn how to secure POS systems against compromises and data theft in Data Protection 101, our series on the fundamentals of information security.