Breach Intelligence

3,151

Total breached databases

In 2022, VK.com, a leading Russian social networking platform originally known as VKontakte, was reportedly affected by a data breach involving approximately 100,544,934 user records. The compromised data included names, email addresses, and phone numbers. No passwords were exposed in the incident. The breach raised concerns over user privacy, particularly given VK’s widespread use across Russian-speaking countries such as Russia, Ukraine, Belarus, Kazakhstan, and Moldova.
  • Date: 2022
  • Domain: vk.com
  • Country: Russia
  • Category: Social Media & Communication
  • Data: Email Addresses Names Phone Numbers
  • Records: 27,220,254
  • Lines: 27,221,029
  • Size: 1.9 GB
  • Passwords: No
In August 2023, 2.6M records of data scraped from Duolingo were broadly distributed on a popular hacking forum. Obtained by enumerating a vulnerable API, the data had earlier appeared for sale in January 2023 and contained email addresses, names, the languages being learned, XP (experience points), and other data related to learning progress on Duolingo. Whilst some of the data attributes are intentionally public, the ability to map private email addresses to them presents an ongoing risk to user privacy.
  • Data: Email Addresses Languages Names Usernames
  • Records: 2,698,765
  • Lines: 2,699,476
  • Size: 1.57 GB
  • Passwords: No
In 2024, Detsky Mir, a leading retailer in the children's goods sector primarily in Russia and Kazakhstan, experienced a data breach. This company is known for being one of the largest online players in Russia's children's goods market. According to reports, approximately 1.2 million lines of data were leaked. The exposed information reportedly consisted of names, email addresses, phone numbers, user agents, and timestamps.
  • Date: Aug 2024
  • Domain: detmir.ru
  • Country: Russia
  • Category: E-commerce & Retail
  • Data: Email Addresses Names Phone Numbers Site Activity
  • Records: 1,261,579
  • Lines: 1,261,580
  • Size: 101.47 MB
  • Passwords: No
In 2019, Facebook allegedly suffered a data exposure incident caused by the exploitation of a vulnerability in its “contact import” feature. The flaw allowed attackers to perform automated searches at scale, matching phone numbers with Facebook user profiles. The incident reportedly affected hundreds of millions of users. Among the exposed information were phone numbers linked to identities, with many records also including names, genders, dates of birth, locations, relationship statuses, and employers.
  • Data: Birthdates Company Information Email Addresses Genders Geographic Locations Names Phone Numbers Relationship Statuses
  • Records: 493,998,673
  • Lines: 494,061,315
  • Size: 76.57 GB
  • Passwords: No
On Tuesday, February 2, it was leaked on a popular hacking forum. It contains billions of user credentials from past leaks from Netflix, LinkedIn, Exploit.in, Bitcoin and more. This leak is comparable to the Breach Compilation of 2017, in which 1.4 billion credentials were leaked.
  • Date: Feb 2, 2021
  • Category: Compilations & Combo lists
  • Source: cybernews.com
  • Data: Email Addresses Passwords
  • Records: 3,278,652,074
  • Lines: 3,279,064,312
  • Size: 98.98 GB
  • Passwords: Plaintext
In November 2016, the Chinese gaming website JDBBX suffered a data breach. The breach included Usernames, Email addresses and Passwords stored as MD5 hashes. In total, 4.8 million users were affected.
  • Data: Email Addresses Passwords Usernames
  • Records: 4,896,557
  • Lines: 4,896,557
  • Size: 285.53 MB
  • Passwords: MD5
  • Cracked: 99%
The full SQL dump database of the Spanish branch of the Zurich Insurance Company The dump contains 4.246.656 lines with data from the company's insurance policies of the company.
  • Date: Jun 29, 2021
  • Domain: zurich.com
  • Country: Spain
  • Category: Finance & Payments
  • Data: Government IDs Names Phone Numbers Physical Locations
  • Records: 1,369,141
  • Lines: 4,260,756
  • Size: 2.69 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.