Storage of PANs must be protected properly both in primary and backup storage |
This section of PCI DSS requires that all PANs (primary account numbers) that are stored must be encrypted properly to prevent attackers from stealing PANs in case of data breach. Different mechanisms depend on the data storage type being used. Action1 covers the endpoint-level aspect of this section of PCI to make sure that endpoints in the CDE are properly protected and remain compliant.
3.4.1.a: Full Disk Encryption Authentication
Verify that full disk encryption authentication process is implemented separately from native OS authentication
3.4.1.c: Encryption of Removable Media
Verify that cardholder data on removable media is encrypted wherever stored
Sign-up for Action1 Free Edition to streamline compliance efforts for your network of endpoints. Such as you can simplify assessments of 3.4. Render PAN Unreadable in Storage for your internal or external auditors, create instant or regular compliance reports that prove your compliance while reducing the costs. Action1 Endpoint Security Platform is entirely SaaS, with online web interface (no management tools to install) and it has zero cost for basic functionality. Running in the Cloud, Action1 discovers all of your endpoints within seconds and allows you to pass compliance audits and maintain continuous compliance with ease.
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Find more information on 3.4. Render PAN Unreadable in Storage
at Microsoft TechNet.