What is ntoskrnl.exe? 5 ways to see if it’s safe.

What is ntoskrnl.exe?

ntoskrnl.exe is a fundamental part of Windows that needs to exist for the Windows OS to function at all. This important part of Windows provides the kernel and executive layers of the Microsoft Windows NT kernel space. This kernel is required for many different Windows Services to work properly including accessing PC hardware and managing memory.

ntoskrnl.exe Microsoft Windows ntoskrnl.exe Properties

Publisher: Microsoft Windows

ntoskrnl.exe stands for Windows NT operating system kernel executable.

What does ntoskrnl.exe do?

Acts as the central module (kernel) of the Windows OS.

Is ntoskrnl.exe safe? 5 easy ways to see if ntoskrnl.exe is safe or malware.

Instantly detect spying apps on your PC, then block them!

graph animation Get access to the same network security tool that Information Security Professionals use to detect suspicious .exe apps, bandwidth wasters, and privacy violators. Trust by over 20 million people.

Get GlassWire now for FREE!

Why does ntoskrnl.exe access the network?

While investigating ntoskrnl.exe with the GlassWire network security monitor on our devices based in Austin, TX USA we found it connects only to local IP addresses and devices on our network. For example, we found it connected to other PCs for file sharing, printers, and other devices on our local network. We did not see any activity that went outside our local network.

App All apps 400 KB/s ntoskrnl.exe 192.168.0.1 24.3 KB 65.2 KB 26 Jul 27 Jul 28 Jul 29 Jul 30 Jul 31 Jul 1 Aug 24 Hours Week Month 3 Hours 5 Minutes All Apps Traffic Graph Usage Things Firewall Alerts GlassWire ntoskrnl.exe GlassWire Control S… Host Process for Wi… 642.9 KB 386.6 KB 129.4 KB 48.4 KB 90.1 KB 21 KB 727 B 30 KB Windows Explorer 31.3 KB 6.7 KB Background Task H… Spooler SubSystem… Device Association F… 24.7 KB 48.4 KB 6.4 KB 16.3 KB 12.2 KB 30 KB Download/Upload H… System 48.4 KB 16.3 KB 12.2 KB 30 KB

About Us

Our goal at GlassWire is to help people protect their privacy and security. We have helped over 20 million people protect their devices from threats.

Are you curious about the safety of another Windows file?
Visit our full Windows .exe file directory.

Have feedback?

Have suggestions on how we can improve this page? Please let us know.

Cybersecurity News

Learn new ways to protect your computer and phone from online threats.