Q64Secure Network Access, Visibility, and Enforcement
An organization has recently experienced malware infections, and its management team wants to use Cisco Secure Firewall file policies to prevent malicious files from being downloaded. The firewall must calculate the SHA-256 hash of every file that traverses it and compare it with hashes of known malware. Which file-rule action blocks only files confirmed to be malware?
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Selected Answer: A
Block Malware: Calculate the SHA-256 hash value of certain file types, query the AMP cloud to find out whether files traversing the network contain malware, then block files that are identified as threats.
https://secure.cisco.com/secure-firewall/docs/malware-and-file-policy#:~:text=Cisco%20Secure%20Firewall%20can%20detect,further%20transmission%20in%20a%20network.