Breach Intelligence

2,967

Total breached databases

In September 2023, over 1M rows of data from the educational robots company Sphero was posted to a popular hacking forum. The data contained 832k unique email addresses alongside names, usernames, dates of birth and geographic locations.
  • Data: Birthdates Email Addresses Geographic Locations Names Usernames
  • Records: 996,442
  • Lines: 1,001,767
  • Size: 275.8 MB
  • Passwords: No
A combination list of email:password was found in serval Telegram groups, probably as a result of credentials stuffing attacks.
  • Data: Email Addresses Passwords
  • Records: 952,466
  • Lines: 952,564
  • Size: 29.27 MB
  • Passwords: Plaintext
NNM-Club was created in 2005. It quickly gained popularity within the Russian-speaking community as a platform for sharing torrents and discussing various media-related topics. Over the years, it became a significant site for fans of anime, movies, music, and other forms of entertainment.
  • Date: 2013
  • Domain: nnm-club.ru
  • Country: Russia
  • Category: Piracy
  • Data: Email Addresses Passwords Site Activity Usernames
  • Records: 3,429,327
  • Lines: 3,429,427
  • Size: 1.66 GB
  • Passwords: ?
In 2020, the US data broker LimeLeads suffered a data breach. LimeLeads is known for providing business sales leads and contacts. The breach exposed approximately 49 million records. Among the compromised data were email addresses, phone numbers, job information, and company names.
  • Data: Email Addresses Names Phone Numbers Physical Locations Job Information Company Information
  • Records: 39,825,642
  • Lines: 39,825,642
  • Size: 39.4 GB
  • Passwords: No
On August 20, T-Mobile, a major mobile phone provider, experienced a data breach that exposed the personal information of approximately 2 million customers, accounting for around 3% of its 77 million user base. Among the compromised data were names, phone numbers, genders, geographic locations, physical addresses, and ethnicities.
  • Date: 2018
  • Domain: t-mobile.com
  • Country: United States
  • Category: Telecommunications
  • Data: Names Phone Numbers Genders Geographic Locations Physical Locations Ethnicities
  • Records: 2,060,368
  • Lines: 2,060,410
  • Size: 266.36 MB
  • Passwords: No
In 2019, a data breach involving Telegram users' information was reported. The breach exposed a database containing phone numbers and unique Telegram user IDs, which was shared on darknet forums. The data was primarily collected before mid-2019, with about 84% of it being outdated and around 60% inaccurate. The majority of the affected accounts were from Iran (70%) and Russia (30%). The breach was attributed to the app's built-in contact export feature, which allows users to see which of their contacts are also using Telegram. This feature can be exploited by malicious users to build databases matching phone numbers with user IDs.
  • Data: Names Phone Numbers Social Profiles
  • Records: 28,403,635
  • Lines: 28,403,916
  • Size: 1.27 GB
  • Passwords: No

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.