PCI (Payment Card Industry Security Standard)_Req 5.3

PCI (Payment Card Industry Security Standard)

Protect all systems against malware and regularly update anti-virus software or programs

Req 5.3

5.3 Ensure that anti-virus mechanisms are actively running and cannot be disabled or altered by users unless specifically authorized by management on a case-by-case basis for a limited time period. Note: anti-virus solutions may be temporarily disabled only if there is legitimate technical need as authorized by management on a case-by-case basis. If anti-virus protection needs to be disabled for a specific purpose it must be formally authorized. Additional security measures may also need to be implemented for the period of time during which anti-virus protection is not active.

Anti-virus that continually runs and is unable to be altered will provide persistent security against malware. Use of policy-based controls on all systems to ensure anti-malware protections cannot be altered or disabled will help prevent system weaknesses from being exploited by malicious software. Additional security measures may also need to be implemented for the period of time during which anti-virus protection is not active-for example disconnecting the unprotected system from the Internet while the anti-virus protection is disabled and running a full scan after it is re-enabled.

 

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