Breach Intelligence

6,874

Total breached databases

In approximately August 2022, the Shanghai Public Security Bureau (Shanghai SHGA Police) allegedly suffered a major data breach. Reports suggest a threat actor using the alias "ChinaDan" exfiltrated a vast database of resident records and offered it for sale. The data circulated publicly is a partial sample of the full dataset. It has been reported that approximately 350,000 individuals are represented in this partial release, with exposed data including full names, phone numbers, geographic locations and addresses, government-issued ID numbers, genders, ages, and physical descriptions, alongside associated police case records. No passwords were included.
  • Date: Aug 2022
  • Threat Actor: ChinaDan
  • Country: China
  • Category: Law Enforcement
  • Data: Names Phone Numbers Geographic Locations Government IDs Genders Birthdates Physical Descriptions
  • Records: 729,288
  • Lines: 750,070
  • Size: 559.87 MB
  • Passwords: No
In 2021, Zhuanzhi.ai (知专), a Chinese AI and academic paper recommendation platform, allegedly suffered a data breach. Reports suggest approximately 66,000 users were exposed, with compromised data including email addresses, plaintext passwords, phone numbers, usernames, profile photos, geographic locations, and company information.
  • Date: 2021
  • Domain: zhuanzhi.ai
  • Country: China
  • Category: Technology
  • Data: Email Addresses Passwords Phone Numbers Geographic Locations Usernames Genders Site Activity Profile Photos Websites Company Information
  • Records: 66,935
  • Lines: 909,595
  • Size: 17.61 MB
  • Passwords: Plaintext
In 2020, the study-abroad mentorship platform DearMentor (dearmentor.com) allegedly suffered a data breach. DearMentor is a service that connects students with mentors at overseas universities to assist with applications. Reports suggest approximately 9,000 individuals were affected. The exposed data allegedly included email addresses, MD5-hashed passwords, names, phone numbers, usernames, geographic locations, social profiles, and site activity details.
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Site Activity Social Profiles
  • Records: 15,542
  • Lines: 484,972
  • Size: 14.5 MB
  • Passwords: MD5
  • Cracked: 0%
In 2018, xcx-diy.oss-cn-beijing.aliyuncs.com, a Chinese SaaS platform for building and managing WeChat Mini Programs hosted on Alibaba Cloud, allegedly suffered a data breach. Reports suggest approximately 2 records were exposed, including usernames, plaintext passwords, phone numbers, and geographic data belonging to platform administrators and agency resellers.
  • Data: Passwords Names Phone Numbers Geographic Locations Usernames IP Addresses Site Activity
  • Records: 2
  • Lines: 6,805
  • Size: 404.85 KB
  • Passwords: Plaintext
In 2016, Dadapicture allegedly suffered a data breach. Dadapicture.com is reported to be a Chinese picture-sharing platform with a bundled social-messaging companion app. Reports suggest approximately 1,900 user accounts were exposed, including email addresses, plaintext and MD5-hashed passwords, usernames, names, phone numbers, geographic locations, and site activity data.
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Site Activity
  • Records: 1,908
  • Lines: 426,383
  • Size: 230.9 MB
  • Passwords: MD5, MD5 Salted, Unknown
Sometime before 2019, FX112 (fx112.com) allegedly suffered a data breach. FX112 is a Chinese-language forex broker review and comparison portal aggregating retail forex broker information for Chinese-speaking traders. Reports suggest approximately 90,000 records were exposed, including email addresses, MD5-hashed passwords, names, phone numbers, geographic locations, usernames, genders, IP addresses, site activity, social profiles, and company information.
  • Date: 2019
  • Domain: fx112.com
  • Country: China
  • Category: Finance & Payments
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames Genders IP Addresses Site Activity Social Profiles Company Information
  • Records: 89,088
  • Lines: 89,521
  • Size: 11.01 MB
  • Passwords: MD5
  • Cracked: 0%
In 2018, 51ape.com allegedly suffered a data breach. The site was a Chinese platform offering free lossless music downloads in APE, FLAC, and WAV formats. Reports suggest a small number of records were exposed, including usernames, salted MD5 password hashes, email addresses, IP addresses, names, and phone numbers.
  • Date: 2018
  • Domain: 51ape.com
  • Country: China
  • Category: Streaming & Entertainment
  • Data: Email Addresses Passwords Names Phone Numbers Geographic Locations Usernames IP Addresses Site Activity
  • Records: 7
  • Lines: 3,609
  • Size: 230.95 KB
  • Passwords: 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.