Breach Intelligence

6,875

Total breached databases

YingjieSheng.com, a Chinese online job-search and campus recruitment portal for college students, allegedly suffered a data breach. Reports suggest approximately 727,000 records were exposed, including email addresses and plaintext passwords.
  • Data: Email Addresses Passwords Geographic Locations
  • Records: 732,031
  • Lines: 732,031
  • Size: 21.32 MB
  • Passwords: Plaintext
Sometime before November 2020, the Chinese online store thecellar.cn allegedly suffered a data breach that was later distributed as part of the Cit0day breach collection. It has been reported that approximately 1,800 customer records were exposed, including email addresses, names, phone numbers, postal addresses and salted SHA-256 password hashes.
  • Date: Nov 2020
  • Domain: thecellar.cn
  • Country: China
  • Category: E-commerce & Retail
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations
  • Records: 1,765
  • Lines: 1,856
  • Size: 308.29 KB
  • Passwords: SHA-256 Salted
  • Cracked: 0%
Sometime before 2012, a Chinese online matchmaking (相亲) dating service allegedly suffered a data breach. Reports suggest approximately 340,000 member and order records were exposed, with account activity in the data spanning 2007 to late 2011. The exposed data allegedly included email addresses, usernames, real names, phone numbers, postal addresses, IP addresses and passwords stored as MD5 and other hashes.
  • Date: 2011
  • Country: China
  • Category: Dating
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames IP Addresses Site Activity
  • Records: 339,277
  • Lines: 182,275
  • Size: 44.04 MB
  • Passwords: MD5, Unknown
Sometime around 2011, a Chinese real-estate website member database (房产网, ~110,000 members, built on UCenter) was allegedly exposed. Reports suggest approximately 119,000 member records were compromised. The exposed data includes email addresses, usernames, registration IP addresses, registration and last-login timestamps, and passwords stored as salted MD5 hashes.
  • Date: 2011
  • Country: China
  • Category: Real Estate
  • Data: Email Addresses Passwords Geographic Locations Usernames IP Addresses Site Activity
  • Records: 119,342
  • Lines: 119,342
  • Size: 23.76 MB
  • Passwords: MD5 Salted
  • Cracked: 0%
Sometime around 2015, Jingzhou Life (荆州生活网), a Chinese local community forum and classifieds portal for Jingzhou (Hubei province) built on Discuz!, allegedly suffered a data breach. Reports suggest approximately 1,500 member records were exposed. The compromised data includes email addresses, usernames, QQ numbers, registration dates, and passwords stored as double-MD5 hashes, along with sparse profile fields (real names, phone numbers, addresses, and a national ID number).
  • Date: 2015
  • Country: China
  • Category: Forums & Communities
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Government IDs Site Activity Social Profiles Websites Company Information
  • Records: 1,512
  • Lines: 115,840
  • Size: 25.54 MB
  • Passwords: Unknown
In August 2012, the user forum of Xiaomi (xiaomi.com), a Chinese consumer-electronics company, allegedly suffered a data breach. Reports suggest approximately 8.3 million records were exposed, a significant portion of which were numeric aliases on the bbs_ml_as_uid.xiaomi.com domain. The exposed data allegedly included email addresses, usernames, IP addresses and passwords stored as salted MD5 hashes.
  • Date: Aug 2012
  • Domain: xiaomi.com
  • Country: China
  • Category: Technology
  • Data: Email Addresses Passwords Geographic Locations Usernames IP Addresses
  • Records: 8,281,396
  • Lines: 8,281,411
  • Size: 816.62 MB
  • Passwords: MD5 Salted
  • Cracked: 0%
Sometime around 2011, the Chinese cloud-storage and online-disk service Qiannao (千脑 / qiannao.com) allegedly suffered a data breach. The exposed data came from the service's user database. Reports suggest approximately 700,000 records were exposed, including usernames, email addresses, account activity dates and passwords stored in plaintext.
  • Date: 2011
  • Domain: qiannao.com
  • Country: China
  • Category: Technology
  • Data: Email Addresses Passwords Geographic Locations Usernames Site Activity
  • Records: 700,061
  • Lines: 700,061
  • Size: 197.17 MB
  • Passwords: Plaintext

Frequently Asked Questions

A data breach is unauthorized access to data (often involving account takeover, malware, or misconfigured infrastructure). A data leak is exposure of data due to mistakes like public cloud storage, open databases, or accidental publishing. A database dump is a packaged dataset that may come from a breach, leak, scraping, or aggregation.

Change passwords for any affected accounts immediately, prioritizing email, banking, and any account that shares the same password. Enable multi-factor authentication wherever possible. Monitor your accounts for suspicious activity and consider placing a fraud alert or credit freeze if financial data was exposed.

Start with containment and verification: confirm what data was exposed, identify the entry point, rotate credentials (especially SSO, VPN, email), and enforce MFA. Then investigate affected systems, notify stakeholders as required, and harden controls to prevent recurrence. A structured incident response plan helps keep the work measurable and compliant.

Dark web monitoring helps you spot exposure signals early — before stolen data is widely reused for account takeover or targeted attacks. Monitoring complements vulnerability management by revealing when attackers already have leverage. Pair it with continuous attack surface monitoring and strong Asset Discovery to reduce blind spots.

Not always. Some datasets are old, incomplete, or derived from third parties. However, any exposure increases risk because credentials and personal data can be reused indefinitely. Treat it as a priority signal: rotate credentials, enforce MFA, review suspicious logins, and audit the systems that could have produced the data.

SynScan helps you connect the dots between attack surface exposure, vulnerabilities, and breach signals so you can prioritize remediation and reduce the chance of repeat incidents.