secure.adnxs.com: Xandr’s Programmatic Ad Tracking

Xandr’s tracker, secure.adnxs.com, follows your online moves to power programmatic advertising through real-time bidding. Its data collection is a severe privacy invasion. Privacy Auditors uncover its methods and how to resist.

What Is secure.adnxs.com?

Xandr, owned by Microsoft, is an adtech platform tracking users for targeted ad delivery. Its invasive practices undermine your digital privacy.

Data It Collects

It captures:

• IP Address: Ties to location.
• Device ID: Tracks across devices.
• Browsing History: Logs sites viewed.
• Ad Interactions: Records engagement.
• Geolocation: Rough location data.
• Cookie IDs: Tracks across sites.
• Browser Type: Notes Chrome 121.0.
• Operating System: Logs Android 11.
• Session ID: Links actions.
• Page URL: Full addresses.
• Timestamps: Precise timing.

This builds an ad profile on you.

Who Gets Your Data?

Xandr shares with:

• Advertisers: For campaigns.
• Real-Time Bidding Systems: For ad placement.
• Third-Party Processors: For analytics.
• Microsoft Subsidiaries: For storage.
• Legal Authorities: Per transparency report.

How to Protect Yourself

Privacy Auditors advise:

• Block Trackers: Stop secure.adnxs.com with Privacy Auditor.
• Use a VPN: Hide IP with Mullvad.
• Privacy Browsers: Choose Firefox or Tor.
• Disable JavaScript: Stop scripts, risking issues.
• Clear Cookies: Erase tags often.

Stack these for protection.

Sources

• Xandr Privacy Policy: https://www.xandr.com/privacy/
• Microsoft Privacy Statement: https://privacy.microsoft.com/en-us/privacystatement

This is a legal disclaimer. All information is provided for educational purposes only.