How to patch the Zerologon vulnerability in Windows Netlogon Remote Protocol

The video discusses the Netlogon vulnerability (CVE-2020-1472), also known as 0 logon, which allows attackers to elevate privileges by exploiting a secure channel connection to a domain controller. The patch for this vulnerability is unusual, requiring a two-part update process, with the first part released in August and the second in February. Immediate updates are crucial due to the availability of exploit code online. The patch enforces secure RPC usage and introduces a new group policy for non-compliant devices. Monitoring event logs and preparing for February's mandatory enforcement is essential, especially for legacy systems.

What is the primary risk associated with the Netlogon vulnerability?

• Data loss

• Phishing attacks

• Elevation of privilege

• Denial of service

Why is the patch for the Netlogon vulnerability considered unusual?

• It is only available for Windows 10

• It is released in two parts

• It is optional for all users

• It requires a complete system reboot

What is enforced by the first phase of the Netlogon patch?

• Automatic system updates

• User password changes

• Secure RPC usage for machine accounts

• Increased firewall protection

What should administrators do to prepare for the February enforcement of the Netlogon patch?

• Disable all legacy systems

• Review event logs and use PowerShell

• Install antivirus software

• Upgrade all hardware

What is a potential risk if the Netlogon patch is not applied?

• Loss of internet connectivity

• Unauthorized domain administrator access

• Reduced network speed

• Increased system performance