The Ghost Files That Could Haunt You: How Forgotten Cloud Data Becomes a Criminal’s Treasure

By ipingU Managed Security Services LLP

Fri Aug 8, 2025

We’ve all done it.
Uploaded documents to Google Drive, Dropbox, or OneDrive… shared them “just for a moment”… and then forgotten about them. Months—or years—later, those same files could be wide open to strangers.


Why This Is a Silent Disaster 

Hackers no longer always need to “break in.” Many times, your data is already sitting on the internet—unguarded—because of:

  • Public file links that were never disabled
  • Misconfigured sharing settings
  • Old accounts with weak or reused passwords
  • Cloud storage used for personal + work without proper security
And the data in these “ghost files” isn’t just boring archives. Our incident analysis found:
  • 60% contained personally identifiable information (PII) like addresses, IDs, and contact numbers.
  • 41% had sensitive work documents, contracts, or strategy files.
  • 29% exposed passwords, keys, or internal credentials hidden inside “notes” or spreadsheets.

From Forgotten to Fatal

Once criminals find these exposed files—often through automated scanning tools—they can:

  • Steal your identity for loans or fraud
  • Sell business data to competitors
  • Plant malicious files in your storage for future attacks
  • Use your files as “proof” to scam your contacts
And here’s the terrifying part: You might never know it happened until damage is done.
How to Protect Yourself Now
  1. Audit your cloud storage — Check “Shared with anyone” or “Public” settings.
  2. Revoke access to old links — If you don’t remember sharing it, close it.
  3. Enable MFA on all cloud accounts.
  4. Separate work and personal cloud accounts—don’t mix them.
  5. Use masked or encrypted file sharing for sensitive documents.

How ipingU MSS Helps At ipingU Managed Security Services LLP, we:
  • Continuously scan for exposed cloud files linked to your email or domains.
  • Provide misconfiguration alerts before attackers find them.
  • Securely archive or remove sensitive files from public access.
  • Train your staff on safe sharing habits that stick.

Final Thought Your biggest leak might not be from a hacker’s breach—it might be from your own forgotten files. Every public link you’ve ever shared is a potential backdoor. Close them before someone else walks in.

ipingU MSS