For example, if an antivirus gives no alert for a couple of months, how do you confirm if the antivirus is working to prevent viruses, and not just hung?

  • The term you are looking for is "false negative".
    – schroeder
    Nov 30, 2022 at 19:45

1 Answer 1


You test it with simulated malware.

This could be anything from a simple EICAR test file (to confirm that it's actually running and doing what it should) through to red-team style engagements where you have people developing and deploying custom "malware" implants in your network to see if they're detected.

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