Lesson 9/13
Tenable Nessus Essentials: vulnerability scanning, 5 scans freeTenable Nessus Essentials installed step by step. Vulnerability scanning on Ubuntu and Active Directory with SSH credentials. Finding critical SPN flaws and expired passwords. AI and the Tenable API to automate remediation.
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Contents
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0:00 Introduction to Tenable Nessus Essentials 0:25 Generating the install script with Claude AI 0:54 SSH connection and writing the script on the server 1:28 Running the install and working through the errors 2:13 Downloading the Nessus package for Ubuntu 22.04 by hand 3:03 Reaching the Nessus web interface on port 8834 3:36 Registering the Nessus Essentials account and activating it 4:07 Checking disk space and downloading the plugins 4:30 Fixing the greyed-out New Scan button after a restart 5:06 Setting up the Ubuntu scan with SSH credentials 6:04 Adding the target IPs and scheduling the scans 6:43 Creating the Active Directory scan without authentication 7:26 Running the scans and reading the vulnerabilities 8:33 Analysing the SPN and password weaknesses found 9:22 Conclusion, and what comes next on AI-driven remediation
