You have conducted a vulnerability scan on the company's network and identified several critical vulnerabilities. Which action would accurately determine if these vulnerabilities are true positives?
Run a proof-of-concept exploit to see if the vulnerability can be actively exploited.
Wait for the next available security patch from the vendor for the identified vulnerabilities.
Reboot the affected systems and see if the vulnerability persists.
Cross-reference the identified vulnerabilities with publicly available vulnerability databases.
Validating a vulnerability involves verifying that the exploit is indeed present and can be leveraged by an attacker. Running a proof-of-concept exploit helps to confirm the actual presence of the vulnerability, whereas other options could lead to false conclusions. Reviewing vulnerability databases and waiting for patches provide useful information but do not confirm the actual vulnerability.
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What are false positives in vulnerability scanning?
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Why is waiting for a vendor patch not an effective way to verify a vulnerability?