security processes on Mac explained
Browse plain-English explanations of security processes on Mac — the kind of names that show up in Activity Monitor when you ask “what is this process?”
1421 process explanations · sample view
security process entries
Apple Credential Manager daemon
Stores and serves passkeys and other system credentials.
Apple Device Identity daemon (adid)
FairPlay/CoreADI daemon that supports DRM device identity for media and stores.
Apple Mobile File Integrity daemon
Checks code integrity and entitlements for running executables.
AppleKeyStore helper
Helper process that performs keybag management for AppleKeyStore.
AppleKeyStore helper
Helper process that performs keybag management for AppleKeyStore.
Authorization host
Performs privileged Authorization Services tasks for auth prompts.
Cloud Data Protection (cdpd)
Syncs keychain items securely across devices via iCloud Keychain.
Code Signing Helper
Security.framework XPC helper used for code-signature related work.
Cryptex management daemon
Manages cryptexes used by the signed system volume and Safari.
Hubble BlastDoor service
Sandboxed BlastDoor parser for untrusted Messages payloads.
iCloud Keychain proxy
Helps sync iCloud Keychain items across your Apple devices.
iCloud Passwords browser helper
Lets iCloud Passwords autofill credentials in third-party browsers.
IDS BlastDoor service
Sandboxed parser for untrusted Apple Identity Services data.
Kerberos disk unmount watcher
Releases Kerberos network-auth state when a volume disappears.
Keybag daemon
Loads and manages Data Protection keybags with AppleKeyStore.
Messages BlastDoor service
Sandboxed parser that validates untrusted Messages payloads.
NordVPN Shield (Threat Protection)
NordVPN system extension for scam, phishing, and malware protection.
Password Breach Agent
Helps Safari and iCloud Keychain detect compromised passwords.
Safari credential provider helper
Hosts Safari AutoFill credential-provider extension XPC.
Secure Element daemon
Manages the secure element and talks to the trusted service manager.
Secure Element service daemon
Provides Secure Element services for Apple Pay and related SE use.
Smart Card reader daemon
Loads the PCSC driver for a connected USB Smart Card reader.
Software transparency daemon
Verifies software transparency data for Apple Intelligence clients.
Trust Evaluation agent
Evaluates certificate trust for processes system-wide.
XProtect daemon
XProtect subsystem that detects and blocks known malware.
XProtect update service
Updates XProtect malware-definition assets on a schedule.