# Counter C00149: Poison the monitoring & evaluation data

* **Summary**: Includes Pollute the AB-testing data feeds: Polluting A/B testing requires knowledge of MOEs and MOPs. A/B testing must be caught early when there is relatively little data available so infiltration of TAs and understanding of how content is migrated from testing to larger audiences is fundamental.

* **Playbooks**: 

* **Metatechnique**: M008 - data pollution

* **Resources needed:** 

* **Belongs to tactic stage**: TA12


| Actor types | Sectors |
| ----------- | ------- |



| Counters these Tactics |
| ---------------------- |



| Counters these Techniques |
| ------------------------- |
| [T0020 Trial content](../generated_pages/techniques/T0020.md) |
| [T0046 Use Search Engine Optimization](../generated_pages/techniques/T0046.md) |
| [T0057 Organize Events](../generated_pages/techniques/T0057.md) |



| Seen in incidents |
| ----------------- |


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