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This technique is documented for researchers and practitioners. It describes how perpetrators discover or acquire abuse methods, and is not written as victim-facing guidance.
Switch to Technical View above for the full description, mitigations, and detection indicators.
Important: This resource provides general information, not personal advice. Every situation is different. The actions suggested here may not be safe in your specific circumstances — particularly if the person causing harm could notice changes to your devices or accounts. Always consider your physical safety first.
If you need personalised support, contact 1800RESPECT (1800 737 732) or your local specialist domestic violence service. If you are in immediate danger, call 000.
Specific subreddits, Facebook groups, and forums framed as 'catching a cheating partner' that teach surveillance and control techniques. The framing as 'justified' surveillance normalises the behaviour. Users don't self-identify as perpetrators — they see themselves as victims of infidelity exercising reasonable vigilance.
Mitigations for this technique are under development. If you have suggestions on how to improve this content, please submit a pattern.
The TFA Matrix is a research framework under active development. Technique classifications, detection methods, and mitigations reflect current understanding and are subject to revision. This framework does not constitute forensic methodology, legal evidence standards, or clinical diagnostic criteria. Practitioners should apply professional judgement appropriate to their discipline and jurisdiction.