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What is sysextd on Mac?

By Junaid, maker of Taskglass · Last reviewed

Manages system extensions, the modern replacement for kernel extensions (VPNs, security tools, drivers).

sysextd helps install, approve, update and remove system extensions. These are modern add-ons used by VPN apps, firewalls, antivirus tools and some drivers that run outside the kernel for safety. It starts on demand and is normally quiet.

Category
macOS system
Made by
Apple
Safe to quit:
With care

Shown in Activity Monitor as sysextd

Why is sysextd using so much CPU or memory?

  • Installing or updating a VPN, firewall, security tool or driver
  • An extension waiting for your approval in System Settings

What to do

  1. 1Approve or deny pending extensions in System Settings > General > Login Items & Extensions
  2. 2Let installations finish
  3. 3Restart your Mac

Safe to quit? With care.

It relaunches when needed; an extension install in progress might fail.

Related processes

Part of the Taskglass Process Library

See it live in Taskglass.

Taskglass shows what sysextd is doing on your Mac right now, explains it in plain English, and tells you if it's safe. It does the same for 213 other processes.