---
name: "securityd"
section: "1"
platform: "macos"
package: "Security"
version: "61901.120.67"
release: "macOS 26.5"
platforms: ["macos"]
url: "https://new.carta.tech/securityd"
---

# securityd(1)

Security context daemon for keychain and cryptographic operations

## NAME

**securityd** – Security context daemon for keychain and cryptographic operations

## SYNOPSIS

**securityd**

## DESCRIPTION

**securityd** maintains security contexts and arbitrates cryptographic operations.  Access to keychain items is routed through  **securityd** to enforce access controls and to keep private keys out of user process address space.  All user interaction with **securityd** is mediated through the **Security Agent.**

This command is not intended to be invoked directly.

## HISTORY

**securityd** was first introduced in Mac OS X version 10.0 (Cheetah) as the "Security Server" and was renamed in 10.4 (Tiger).

## SEE ALSO

authd(8), [secd(8)](/secd/8.md)