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Data Breach Scan

QQ Mail

01 Oct 2025 N/A 01-Oct-2025 Database
2,715,895 Records Affected
Database Source Structure
Unknown Source Breach Location
Personal or account information exposed (non‑credential). Monitor for targeted phishing and account probing.
 
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Breach Details

Domain N/A
Leaked Data Types Email Address,Phone Number,Username
Password Types No Passwords

Description

In August 2025, a dataset was posted on a prominent hacking forum. QQ Mail, the official login portal for QQ Mail (QQ邮箱), a widely used email service in China provided by Tencent, experienced a data breach that affected 2.71 million users. The compromised data included email addresses, phone numbers, usernames, and physical addresses.

Leaked Data Types

Email · Address · Phone · Number · Username

Breach Rank

Ranked by number of affected users

Impact Score

Impact Score: 40.00

Based on data sensitivity, breach size, and recency

Estimated Financial Impact

$19.7M

This is an estimate based on potential fraud, phishing, and data misuse. Not all users will be affected.

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Identity Theft Risk Score

Risk Score: 8.7/10 - Critical

Data Exposure Analysis

Passwords Critical
Financial High
Personal Medium
Social High
Security Critical

Breach Timeline Analysis

March 2024 Multiple credentials exposed in recent data breach
January 2024 Password found in dark web marketplace
December 2023 Personal information leaked in major security incident

Security Recommendations

High Priority
Password Security

Critical: Change compromised passwords immediately and enable 2FA on all accounts

Important
Financial Protection

Monitor credit reports and set up fraud alerts with major credit bureaus

Recommended
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