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Data Loss Prevention beginner · 15 min

National ID Numbers Detected in Exported Spreadsheet

The United Nations World Food Programme suffered a data breach that exposed the personal information of up to 600,000 Gaza families — names, addresses, family compositions, and contact details — a stark reminder that sensitive PII routinely sits in everyday office files. Too often, that data leaves an organization through routine exports, email attachments, and shared documents — a spreadsheet with national ID numbers uploaded to the wrong folder is already a disclosure. The exposure is silent and nearly impossible to trace afterward. This demo uses a document containing synthetic PII, so no real personal data is involved. Proactive DLP scans files for national ID patterns and other sensitive categories, flags the document, and lets security teams block the transfer or alert the owner before the data goes anywhere.

Attack Technique

PII data exposure

MITRE ATT&CK

T1005 ↗

Platforms

linux

File Types

.xlsx

MetaDefender Capabilities

Proactive DLP

Incident Coverage

This attack technique maps to a real-world security incident — read the daily digest for details: Read the incident digest ↗

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