Is someone checking your browsing?
This website will appear in your browser history. If you're concerned someone may be monitoring your internet use, consider using a trusted friend's device, a library computer, or your browser's private/incognito mode. You can press Quick Exit or hit Escape at any time to leave this site quickly.
Learn more about staying safe online
Someone uses fitness trackers, health apps, or wearable devices to monitor your location, activity patterns, sleep, and health data.
What You Might Notice
The other person knows about your exercise routes or activity patterns
They reference when and where you exercised, or your daily routine.
Health or fitness data is being shared with their account
Shared fitness challenges, family health accounts, or linked apps may expose your data.
Your wearable shows locations or activity you didn't do
Someone else may be accessing and viewing your tracker data remotely.
What You Can Do
Review sharing settings on fitness and health apps
Check Fitbit, Apple Health, Strava, Garmin, and similar apps for shared access or linked accounts.
Remove exercise routes from public or shared view
Many fitness apps share routes by default. Switch to private or remove location from activities.
Check who has access to your health data
Apple Health: Settings > Health > Data Access. Google Fit: account settings > connected apps.
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.
Monitoring victim through health and fitness applications, wearable trackers, period tracking apps, sleep monitors, or medical portals. These platforms often contain highly sensitive data about location, physical activity, health conditions, reproductive status, and daily routines.
Health Account Separation Unlink health and fitness accounts from shared or adversary-known accounts. Create new accounts with private credentials.
SAFE-M-0034
Fitness App Privacy Settings Disable public profiles, activity sharing, and social features on fitness platforms.
SAFE-M-0035
Wearable Device Reset Factory reset wearable devices and configure with sole-controlled account.
Detection Indicators
ID
Detection Indicator
SAFE-D-0032
Health Data Knowledge Adversary references exercise patterns, sleep data, health metrics, or location data from fitness tracking.
SAFE-D-0033
Active Health Data Sharing Audit reveals fitness or health apps sharing data with adversary's account.
SAFE-D-0034
Wearable Account Linkage Fitness tracker connected to adversary-controlled account.
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.