Security

Learn about how snaps use standard Linux security policies to isolate themselves from the system, and from each other.

• Security policies: How we use AppArmor, Seccomp and cgroups to secure snaps.

• Assertions: Digitally signed documents used to verify all snap artefacts.

• Snap confinement: Learn more about snap’s various degrees of isolation.

• Classic confinement: Learn more about classic confinement.

• API authentication and authorization: How snapd authenticates API callers and authorizes operations.

• Decommissioning: How to completely remove snapd and associated data.

• Snapd release process: How and when we update the snapd package.