Tenable Network Security has developed a software named Nessus Security Scanner. It contains the nessusd.exe file. The nessusd.exe file starts upon initialized and begins the functionalities of the Nessus Security Scanner application. The application provides a device that can audit a specified network from a distance and can identify if there are hackers and other malicious software infecting the network. It does give an assessment, but it will provide a report on the vulnerability of the system. The security scanner offers high speed discovery, configuration auditing, asset profiling, sensitive data recovery, patch management integration, and vulnerability analysis of the state of security. A computer systems faces different types of vulnerabilities such as those that allows a hacker to access confidential data, misconfiguration or missing patches, default passwords, denial of service against TCP/IP stack and preparation of PCI DSS audits. The Nessus application also provides more functionalities like using Microsoft Windows to check patch levels on computers and auditing passwords with the use of dictionary and brute force methods.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. nessusd.exe. is used by Nessus Security Scanner, If you shut down nessusd.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop nessusd.exe, permanently you need to uninstall the application that runs this process which in this case is Nessus Security Scanner, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed nessusd.exe

A process usually a part of an installed application such as Nessus Security Scanner, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if nessusd.exe. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that nessusd.exe, belongs to, in this case Nessus Security Scanner