nessusd.exe is an executable file that is part of the Tenable Nessus software. This software is developed by Tenable Network Security and is typically located in the C:\Program Files\Tenable\Nessus directory.
Tenable Nessus is a highly effective vulnerability scanner used to identify potential security risks in a network. It is designed to provide detailed reports about any vulnerabilities found, including the severity of the vulnerability and recommendations for remediation. This software is widely used by security professionals and IT administrators to ensure the security of their networks.
The nessusd.exe file is essential for the operation of Tenable Nessus. If you are using this software to monitor your network's security, you should not remove this file. If you find this file on your system and you did not install Tenable Nessus, it could potentially be a malicious file disguised as nessusd.exe. In this case, you should scan your system with a reliable antivirus software to ensure your system's security.
Description: Nessusd.exe is not essential for Windows and will often cause problems. The file nessusd.exe is located in a subfolder of "C:\Program Files" (normally C:\Program Files\Tenable\Nessus\ or C:\Program Files\Tenable\Nessus Agent\).
Known file sizes on Windows 10/11/7 are 6,798,864 bytes (9% of all occurrences), 10,856,136 bytes and 14 more variants.
The program is not visible. It is not a Windows system file. The software listens for or sends data on open ports to a LAN or the Internet. You can uninstall this program in the Control Panel. There is no file information. The nessusd.exe file is certified by a trustworthy company.
Nessusd.exe is able to monitor applications.
Therefore the technical security rating is 46% dangerous; but you should also compare this rating with the user reviews.
Uninstalling this variant:
If you experience any issues with installation of nessusd.exe, you can consult Tenable's Customer Service or remove the entire program Tenable Nessus or Nessus Agent using Windows Control Panel.
Important: Some malware camouflages itself as nessusd.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the nessusd.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
Score
User Comments
Servise of Tenable Network Security. Program - Nessus Immortal (further information)
This process represents the Nessus Server. If you don't want to run it (it takes plenty of system resources) all the time, you might consider stopping it from the Nessus Server Manager. rba
newtd is not nessusd... You should also be able to view the "Tenable Nessus" service in services.msc (further information)
Performs the 80% of cpu usages, lowing performance Pinocho
Part of the Tenable Nessus security scanner package
Contact your ICT-Team if they have installed it. nessusd.exe belongs to a commercial network security scanning and monitoring tool Tenable Nessus. If this program is not installed by your ICT-Team, start worrying. Webhalla (further information)
Summary: Average user rating of nessusd.exe:
based on 13 votes with 7 user comments.
7 users think nessusd.exe is essential for Windows or an installed application.
One user thinks it's probably harmless.
One user thinks it's neither essential nor dangerous.
2 users suspect danger.
2 users think nessusd.exe is dangerous and recommend removing it.
Best practices for resolving nessusd issues
A clean and tidy computer is the key requirement for avoiding problems with nessusd. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To get your computer running as fast as it did on day one, you can 8reset your PC. Your personal files will remain intact, but any programs you installed will need to be reinstalled.
To help you analyze the nessusd.exe process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. A good Bantivirus software detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.
Score
User Comments
Immortal (further information)
rba
JRPaulson (further information)
(further information)
Pinocho
Webhalla (further information)
Summary: Average user rating of nessusd.exe: based on 13 votes with 7 user comments. 7 users think nessusd.exe is essential for Windows or an installed application. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous. 2 users suspect danger. 2 users think nessusd.exe is dangerous and recommend removing it.