Breach Intelligence

6,875

Total breached databases

In January 2018, eweiqi.com, a prominent Chinese online platform for the game of Go (Weiqi), allegedly suffered a data breach that later surfaced as part of the Cit0day breach collection. Reports suggest approximately 314,000 individuals were affected, with around 702,000 records exposed that included email addresses along with a mix of MD5-hashed and plaintext passwords.
  • Data: Email Addresses Passwords
  • Records: 702,634
  • Lines: 702,634
  • Size: 32.81 MB
  • Passwords: MD5, Plaintext, Unknown
At an unknown date, merdb.cn, an online movie and media database website, allegedly suffered a data breach. It has been reported that its full user database was later distributed on underground forums. Reports suggest approximately 20,500 user records were exposed, including usernames, email addresses, and SHA-256-hashed passwords.
  • Domain: merdb.cn
  • Country: China
  • Category: Streaming & Entertainment
  • Data: Email Addresses Passwords Usernames
  • Records: 20,575
  • Lines: 144,469
  • Size: 2.63 MB
  • Passwords: SHA-256
  • Cracked: 0%
Sometime around May 2011, the Chinese website Yue (yue.com) allegedly suffered a data breach whose database later circulated on hacking forums. Reports suggest the exposed data affected approximately 3 million users. The compromised data allegedly included usernames, email addresses and MD5-hashed passwords.
  • Data: Email Addresses Passwords Geographic Locations Usernames
  • Records: 3,010,034
  • Lines: 3,010,034
  • Size: 208.86 MB
  • Passwords: MD5
  • Cracked: 0%
Sometime before 2016, www1.xuesheng360.cn, a Chinese student-oriented education website, allegedly suffered a data breach of its member database. Reports suggest approximately 428,000 records were exposed, including usernames, email addresses, and salted MD5-hashed passwords.
  • Data: Email Addresses Passwords Geographic Locations Usernames Site Activity
  • Records: 427,853
  • Lines: 427,853
  • Size: 74.67 MB
  • Passwords: MD5 Salted
  • Cracked: 0%
MOKO (moko.cc), a Chinese social networking and portfolio community for models, photographers, and other creatives, allegedly suffered a data breach. Reports suggest approximately 480,000 records were exposed, including email addresses and MD5-hashed passwords.
  • Domain: moko.cc
  • Country: China
  • Category: Social Media & Communication
  • Data: Email Addresses Passwords
  • Records: 479,998
  • Lines: 480,018
  • Size: 24.1 MB
  • Passwords: MD5
  • Cracked: 0%
Sometime before 2012, the QQ VIP service (vip.qq.com), the premium membership tier of Tencent's QQ instant-messaging platform, allegedly suffered a data breach. Reports suggest approximately 3,500 records were exposed, including email addresses, MD5-hashed passwords, and account activity details.
  • Date: 2012
  • Domain: vip.qq.com
  • Country: China
  • Category: Social Media & Communication
  • Data: Email Addresses Passwords Site Activity
  • Records: 3,480
  • Lines: 3,522
  • Size: 615.92 KB
  • Passwords: MD5
  • Cracked: 0%
In November 2016, im286.net, a Chinese webmaster and IT community forum, allegedly suffered a data breach. Reports suggest the forum's user database was exposed, affecting approximately 547,000 individuals. The compromised data allegedly included email addresses, usernames, IP addresses, and passwords stored as MD5 hashes (some salted).
  • Date: Nov 2016
  • Domain: im286.net
  • Country: China
  • Category: Technology
  • Data: Email Addresses Passwords Geographic Locations Usernames IP Addresses
  • Records: 547,208
  • Lines: 547,208
  • Size: 37.09 MB
  • Passwords: MD5, MD5 Salted
  • Cracked: 0%

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.