Breach Intelligence

2,967

Total breached databases

In April 2021, the "world’s largest collection of pre-designed presentation slides" SlideTeam had 1.4M records breached and later published to a popular hacking forum the following year. Allegedly sourced from a compromised Magento instance, the data included names, email addresses and passwords stored as salted hashes.
  • Data: Email Addresses Passwords Names Site Activity
  • Records: 1,464,254
  • Lines: 1,464,257
  • Size: 282.69 MB
  • Passwords: Hashed Salted
  • Cracked: 0%
In 2023, Instagram reportedly experienced a data leak involving approximately 4,939,348 user records. The compromised data, shared in October on a popular hacking forum, included names, email addresses, phone numbers, and social profile details. No passwords were included in the leak.
  • Data: Email Addresses Names Phone Numbers Social Profiles
  • Records: 4,922,000
  • Lines: 4,939,349
  • Size: 275.13 MB
  • Passwords: No
Zoosk 2011

Zoosk 2011

Sensitive
In approximately 2011, an alleged breach of the dating website Zoosk began circulating. The breach reportedly exposed nearly 53 million records, including email addresses and plain text passwords.
  • Data: Email Addresses Passwords
  • Records: 57,554,832
  • Lines: 57,554,881
  • Size: 4.27 GB
  • Passwords: MD5, Plaintext
In June 2023, a clone of the previously shuttered popular hacking forum suffered a data breach that exposed over 4k records. The breach was due to an exposed backup of the MyBB database which included email and IP addresses, usernames and Argon2 password hashes.
  • Data: Email Addresses IP Addresses Passwords Usernames
  • Records: 4,415
  • Lines: 1,122
  • Size: 512.14 KB
  • Passwords: Hashed
  • Cracked: 0%
A combination list of email:password was found in serval Telegram groups.
  • Data: Email Addresses Passwords
  • Records: 20,758,504
  • Lines: 20,771,529
  • Size: 557.97 MB
  • Passwords: Plaintext
In April 2021, "Japan's largest e-mail friend search site" Atmeltomo suffered a data breach that was later sold on a popular hacking forum. The breach exposed 1.3M records with 580k unique email addresses along with usernames, IP addresses and unsalted MD5 password hashes.
  • Data: Email Addresses IP Addresses Passwords Usernames
  • Records: 1,320,266
  • Lines: 1,321,068
  • Size: 671.49 MB
  • Passwords: MD5
  • Cracked: 100%
In September 2021, Argentina’s National Registry of Persons (RENAPER), the agency responsible for issuing national ID cards, reportedly suffered a significant data breach. The incident exposed the personal information of approximately 11,384,395 individuals. Among the compromised data were names, birthdates, genders, and government-issued ID numbers.
  • Date: 2021
  • Country: Argentina
  • Category: Government
  • Source: nulled.to
  • Data: Birthdates Genders Government IDs Names
  • Records: 11,384,393
  • Lines: 11,384,395
  • Size: 1.62 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.