acdn.adnxs.com: Xandr’s Ad Tracking Menace | Privacy Auditor

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acdn.adnxs.com: Xandr’s Invasive Ad Tracker

Xandr, now under Microsoft, uses acdn.adnxs.com to track your online activity for programmatic advertising. This domain collects extensive data to target you with ads, undermining your privacy. As Privacy Auditors, we’re exposing its tactics and offering protection strategies.

What Is acdn.adnxs.com?

This domain is part of Xandr’s ad delivery and tracking system, embedded across websites to monitor user behavior. It fuels real-time bidding (RTB) for advertisers, ensuring you’re constantly targeted based on your digital footprint.

Data It Collects

When you visit a site with Xandr ads, it grabs:

  • Geolocation: IP-based location, down to city or postal code.
  • IP Address: Your digital address for location tracking.
  • Browsing History: URLs and content categories for profiling.
  • Ad Interactions: Clicks, impressions, and timestamps.
  • Device Identifiers: Unique device IDs and hardware details.
  • Cookie IDs: Tracks you across sites with cookies.
  • Browser Type: Logs Chrome or Firefox with version.
  • Operating System: Records Android or iOS version.
  • Screen Resolution: Captures display size for fingerprinting.
  • Timestamps: Logs interactions with precision.

This data ensures ads follow you everywhere.

Who Gets Your Data?

Xandr shares your information with:

  • Advertiser: For programmatic ad targeting.
  • Third-Party Adtech Company: In RTB with geolocation and device ID.
  • Microsoft’s Advertising Network: For cross-platform targeting.
  • Government Agency: Per Microsoft’s 2024 report, over 165,000 requests, 70% U.S. compliance.

How to Protect Yourself

At Privacy Auditors, we’re here to guard your privacy. Here’s how to block Xandr:

  • Use Ad Blockers: Tools like uBlock Origin or Privacy Auditor’s service stop ad scripts.
  • Use a VPN: Mask your IP with Mullvad to disrupt tracking.
  • Disable Cookies: Block third-party cookies in settings.
  • Browse Anonymously: Use Tor or Firefox with strict protection.

Layer these for the best defense.

Sources

Warning

The acdn.adnxs.com tracker collects invasive data like geolocation, browsing history, and device IDs. Secure yourself with Privacy Auditor’s tools, a VPN, and our privacy expertise.

Find More Privacy Tips

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

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