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 receive real-time alerts and view instant data from your endpoints, such as alert on 3.4. Render PAN Unreadable in Storage created, deleted or modified or run live or scheduled queries with the ability to export to CSV or Excel. 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 in seconds and you can query your entire network in plain English.
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Find more information on 3.4. Render PAN Unreadable in Storage
at Microsoft TechNet.