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Security Data Package

This package serves as the beating heart of Guard.

It defines data structures that meet the v1alpha1 interface.

The guard/v1alpha1 API

The v1alpha1 interface includes three interfaces:

  • Profile: describing a sample of a data type
  • Pile: accumulating multiple samples of a data type to enable learning.
  • Config: the rules describing what is expected from the data type.

Core Activity

Per Sample:

  1. Profile.Profile(...sample...) - Create a profile from the sample
  2. Config.Decide(profile) - Decide if it conforms to the config rules
  3. Pile.Add(profile) - Add it to a pile.

Periodically:

  1. Pile.Merge(someOtherPile) - Merge someOtherPile to Pile.
  2. Config.Learn(pile) - Learn a new config rules based on a pile.
  3. Config.Fuse(someOtherConfig) - Fuse configs to form a new config from an old one.

Note:

  • Profiles, Piles and Configs are build to be transportable across a distributed system.

Distributed System

Guard supports working in a distributed system by allowing many instances to collect samples and take decisions.

The instances each collect piles and send them to a central service that merge the piles and learn a new config based on the enw piles and the old config.

The config is then sent back to the instances and is kept in a persistent store.