# 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


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