Breach Intelligence

2,852

Total breached databases

In 2015, NewsOfLegends.com, a gaming website dedicated to League of Legends news and content, experienced a data breach that exposed approximately 71,788 user records. The compromised data included email addresses and passwords hashed using the PHPass algorithm. The breach was shared on a popular hacking forum, placing affected users at risk of credential compromise and phishing attacks.
  • Data: Email Addresses Passwords
  • Records: 71,804
  • Lines: 71,804
  • Size: 4.27 MB
  • Passwords: PHPass
  • Cracked: 0%
In June 2018, the marketing firm Exactis inadvertently publicly leaked 340 million records of personal data. Security researcher Vinny Troia of Night Lion Security discovered the leak contained multiple terabytes of personal information spread across hundreds of separate fields including addresses, phone numbers, family structures and extensive profiling data. The data was collected as part of Exactis' service as a "compiler and aggregator of premium business & consumer data" which they then sell for profiling and marketing purposes.
  • Data: Balances Birthdates Credit Card Information Education Email Addresses Ethnicities Family Members Financial Information Genders IP Addresses Job Information Languages Marital Statuses Names Personal Interests Phone Numbers Physical Locations Real Estate Information Religions
  • Records: 109,999,829
  • Lines: 111,257,437
  • Size: 24.5 GB
  • Passwords: No
In June 2020, the Mexican lending platform yotepresto.com suffered a data breach. Over 1.4 million customers were impacted by the breach which disclosed email and IP addresses, usernames and passwords stored as bcrypt hashes.
  • Data: Email Addresses IP Addresses Passwords Usernames
  • Records: 1,444,944
  • Lines: 1,445,062
  • Size: 672.38 MB
  • Passwords: BCrypt
  • Cracked: 11%
In September 2021, the Moscow Electronic School platform was breached. The platform is primarily used for educational purposes in Moscow, Russia. Reports suggest that the breach was carried out by the Ukranian NLB hacker group, resulting in the exposure of approximately 17 million lines of data. Among the compromised data were names, email addresses, phone numbers, dates of birth, physical locations, and site activities.
  • Date: Sep 8, 2021
  • Domain: school.mos.ru
  • Threat Actor: Ukranian NLB hacker group
  • Country: Russia
  • Category: Education
  • Source: hashmob.net
  • Data: Email Addresses Names Phone Numbers Physical Locations Site Activity Birthdates
  • Records: 17,056,658
  • Lines: 17,056,658
  • Size: 5.9 GB
  • Passwords: MD5
  • Cracked: 35%
In January 2015, Lizard Squad, a hacker collective, launched a DDoS-for-hire service called Lizard Stresser. Shortly after, the service allegedly suffered a data breach that led to the public disclosure of more than 13,000 user accounts. The exposed data included passwords stored in plain text.
  • Data: Email Addresses Passwords Usernames
  • Records: 17,123
  • Lines: 17,124
  • Size: 1.12 MB
  • Passwords: Plaintext
In 2024, Zaymer, a Russian financial services platform known for providing microloans and financial solutions, experienced a data breach. The incident reportedly exposed approximately 16,857,435 lines of data. Among the compromised information were names, birthdates, physical locations, phone numbers, genders, government IDs, and passport details.
  • Date: 2024
  • Domain: zaymer.ru
  • Country: Russia
  • Category: Finance & Payments
  • Data: Names Phone Numbers Physical Locations Genders Birthdates Places of Birth Government IDs Passport Information
  • Records: 16,820,000
  • Lines: 16,856,259
  • Size: 12.68 GB
  • Passwords: No
In approximately June 2021, the online gaming website HeatGames suffered a data breach that impacted 1.1 million users. The breach included Email addresses, IP Addresses, Countries and Passwords stored as MD5 hashes. The website was breached by @donjuji.
  • Data: Email Addresses Geographic Locations IP Addresses Passwords
  • Records: 1,139,743
  • Lines: 1,139,743
  • Size: 504.15 MB
  • Passwords: vBulletin
  • Cracked: 46%

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.