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Storage area network (SAN) security refers to the collective measures, processes, tools and technologies that enable the securing of a SAN infrastructure.
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It is a broad process that ensures that the SAN infrastructure operates securely and is protected from any vulnerabilities.
Techopedia Explains Storage Area Network Security
SAN security generally requires first analyzing the underlying SAN infrastructure for possible loopholes and/or vulnerabilities.
Some of the techniques used for securing a SAN infrastructure include:
- Encrypting data at rest when stored on a SAN infrastructure or storage drives
- Isolating users/departments/organizations using a virtual SAN
- Securing network and communication interfaces
- Implementing an access control list (ACL) and digital certificates within the switch to ensure only authenticated switches join a SAN fabric
- Removing and resolving single points of failure
- Mitigating network-based vulnerabilities such as Simple Network Management Protocol (SNMP), which is vulnerable to Denial of Service (DoS) attack
SAN security may also involve creating and implementing a SAN backup and recovery plan to ensure it stays operational even after an attack or threatening incident.
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