misp-decaying-models/README.md

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# MISP Decaying Models
Starting from MISP 2.4.114, a decaying feature is available to apply decaying on attributes in your MISP instance. MISP comes with a set of default decaying models which
can be customised by the users. This repository contains all the default models.
For more information about decaying and expiring attributes/indicators in MISP, the training materials [MISP and Decaying of Indicators](https://www.misp-project.org/misp-training/a.5-decaying-indicators.pdf) is a good start.
![Simulate decaying in MISP threat intelligence platform](https://www.misp-project.org/assets/images/misp/blog/decay.png)
![Overlay of decaying per model in the event/attribute view of MISP](https://www.misp-project.org/assets/images/misp/blog/decaying/dm-event.png)
## Models
- [nids-simple-model](./models/nids-simple-model.json) - Simple decaying model for Network Intrusion Detection System (NIDS).
- [phishing-model](./models/phishing-model.json) - Simple model to rapidly decay phishing website.
- [vishing-model](./models/vishing-model.json) - Simple model to rapidly decay voice scamming, vishing relying on phone-numbers.
## How to contribute your decaying model?
It's very easy. Fork the repository, create a new JSON file with your model and make a pull-request.
## License
The MISP decaying models are [dual-licensed](./LICENSE.md) under CC-0 and a simple 2-clause BSD license.