Where must anti-malware solutions be deployed according to PCI DSS?
- A.On all CDE servers, workstations, firewalls, routers, switches, HSMs, plus any laptops that connect to the network remotely
- B.On all systems except Linux hosts, whose operating systems are exempt from Requirement 5
- C.On all systems commonly affected by malware, particularly those running operating systems susceptible to malware
- D.On all systems in the DMZ, including web servers, mail gateways, external DNS hosts
Why C is correct
Anti-malware must be deployed on all systems commonly affected by malware, especially those with operating systems known to be susceptible to malicious software.
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