Set half-life values

About half-life

Half-life represents the amount of time it takes for a threat to lose half its intelligence value.
It corresponds to the number of days it takes for the malicious potential of a threat to decay by 50%.

Half-life represents the amount of time it takes an entity to lose half its intelligence value.

It corresponds to the number of days it takes the intelligence value of a malicious entity to decay by 50%.

When configuring an incoming or an outgoing feed, you can set a half-life value in days for the following entity types:

  • Campaign

  • Course of action

  • Exploit target

  • Incident

  • Indicator

  • TTP

  • Threat actor

  • Report

To set a half-life for one or more of these properties, do the following:

  1. Enter a numerical value in the entity property input field(s) you want to flag with a half-life value in days.

  2. To store your changes, click Save; to discard them, click Cancel.

About user overrides

User-defined override key/value pairs are stored in the meta field of an entity JSON data structure.
Override fields in the meta field have precedence over:

  • The corresponding original fields inside meta.

  • Their corresponding override fields stored inside the sources field of an entity JSON data structure.

Affected parameter

Half-life value (in days)

Override field

meta.half_life_override

Superseded field(s)

meta.half_life_original

sources.half_life_override

Description

Stores the override value a user can manually define when editing an entity in the entity editor or inside the entity detail pane.