Protecting scanning credentials from malicious insiders
Security breaches can come from those you least suspect. Have you ever wondered what would prevent a malicious insider from obtaining privileged credentials during an IT audit? It would be a simple matter of just setting up a Linux or Windows box with a sniffer or backdoor to grab the domain or root password during the audit. Tenable has written Nessus 3 and Nessus 4 to take advantage of underlying protection mechanisms in SSH and Windows authentication protocols to limit your exposure to this type of attack.
This blog entry describes how you can securely audit your Unix and Windows hosts to limit exposing these credentials to an insider and also how to use Metasploit to test any vulnerability scanner to see if it is vulnerable to this type of attack.
At the Tenable blog.
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