All Breaches
April 8, 2020 Verified Internet Service Provider

Vianet Data Breach

The Vianet data breach affected approximately 94,353 user records according to the record dated April 8, 2020. The listed fields are email addresses, names, phone numbers, and physical addresses; passwords are not listed.

94.4 Thousand
Reported Records
4
Data Types
Medium
Severity
Oct 10, 2026
Last updated

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Exposed Data Types

4
  • Email addresses
  • Names
  • Phone numbers
  • Physical addresses

About This Breach

Combined contact and address data can make fake internet-service, billing, or technical-support messages appear credible. The record alone does not show a password leak, so the main concerns are targeted phishing and privacy.

A match means that the queried email address, name, or phone number corresponds to a listed field; it does not prove a current account compromise. Verify billing and account requests through official channels, avoid unnecessary address sharing, and do not log in through incoming links.

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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