See: https://www.misp-project.org/2019/09/12/Decaying-Of-Indicators.html https://www.misp-project.org/misp-training/a.5-bis-decaying-indicators-light-version.pdf
See:
https://www.misp-project.org/2019/09/12/Decaying-Of-Indicators.html
https://www.misp-project.org/misp-training/a.5-bis-decaying-indicators-light-version.pdf