30 Days of Compliance Q&As #19: How Can I Protect My Point of Sale Systems?

US-CERT is part of DHS’ National Cybersecurity and Communications Integration Center (NCCIC). They recently published an alert about how to protect Point of Sale (POS) systems:

POS System Owner Best Practices

Owners and operators of POS systems should follow best practices to increase the security of POS systems and prevent unauthorized access.

  • Use Strong Passwords: During the installation of POS systems, installers often use the default passwords for simplicity on initial setup. Unfortunately, the default passwords can be easily obtained online by cybercriminals. It is highly recommended that business owners change passwords to their POS systems on a regular basis, using unique account names and complex passwords.
  • Update POS Software Applications: Ensure that POS software applications are using the latest updated software applications and software application patches. POS systems, in the same way as computers, are vulnerable to malware attacks when required updates are not downloaded and installed on a timely basis.
  • Install a Firewall: Firewalls should be utilized to protect POS systems from outside attacks. A firewall can prevent unauthorized access to, or from, a private network by screening out traffic from hackers, viruses, worms, or other types of malware specifically designed to compromise a POS system.
  • Use Antivirus: Antivirus programs work to recognize software that fits its current definition of being malicious and attempts to restrict that malware’s access to the systems. It is important to continually update the antivirus programs for them to be effective on a POS network.
  • Restrict Access to Internet: Restrict access to POS system computers or terminals to prevent users from accidentally exposing the POS system to security threats existing on the internet. POS systems should only be utilized online to conduct POS related activities and not for general internet use.
  • Disallow Remote Access: Remote access allows a user to log into a system as an authorized user without being physically present. Cyber Criminals can exploit remote access configurations on POS systems to gain access to these networks. To prevent unauthorized access, it is important to disallow remote access to the POS network at all times.


Read the entire alert, “Alert (TA14-002A) Malware Targeting Point of Sale Systems.”

Authors


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone


Marta Stone

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