Breach Intelligence

2,849

Total breached databases

In December 2020, the book promotion site NetGalley suffered a data breach. The incident exposed 1.4 million unique email addresses alongside names, usernames, physical and IP addresses, phone numbers, dates of birth and passwords stored as salted SHA-1 hashes.
  • Data: Birthdates Email Addresses IP Addresses Names Passwords Phone Numbers Physical Locations Usernames
  • Imported:
  • Passwords: SHA-1 Salted
  • Cracked: 0%
In November 2023, over 800k user records were scraped from the Chess website and posted to a popular hacking forum. The data included email address, name, username and the geographic location of the user.
  • Data: Email Addresses Geographic Locations Names Usernames
  • Imported:
  • Passwords: No
In 2023, the Spanish e-commerce platform Mosquiteras Baratas, known for selling mosquito nets and related products, experienced a data breach. Reports suggest the breach exposed approximately 109,000 user records and 150,000 order records. Among the compromised data were names, email addresses, geographic locations, and site activity details.
  • Data: Email Addresses Names Geographic Locations Site Activity
  • Imported:
  • Passwords: No
In March 2023, DC Health Link discovered a data breach that was later publicly posted to a popular data breach forum. The impacted data included 48k unique email addresses alongside names, genders, dates of birth, home addresses, phone numbers and social security numbers.
  • Date: Mar 6, 2023
  • Category: Healthcare
  • Records Announced: 48,145
  • Source: haveibeenpwned.com
  • Data: Birthdates Company Information Email Addresses Ethnicities Genders Names Order Information Personal Information Phone Numbers Physical Locations Social Security Numbers
  • Imported:
  • Passwords: No
In July 2024, the Emirati-based LuLu retail store suffered a data breach. The impacted data included 190k email addresses and associated phone numbers which were subsequently shared on a popular hacking forum
  • Data: Email Addresses Names Order Information Passwords Phone Numbers Physical Locations
  • Imported:
  • Passwords: Unknown
In 2023, the Dutch furniture company Welhof.com experienced a data breach, reportedly compromising approximately 200,000 records. Among the leaked information were names, email addresses, shipping addresses, and payment methods.
  • Data: Email Addresses Names Physical Locations Payment Information Government IDs
  • Imported:
  • Passwords: No
In approximately June 2011, the bitcoin exchange MtGox suffered a data breach. The attack led to the exposure of data including Usernames, Email addresses and Passwords stored as md5crypt hashes. In total, 61k users were affected.
  • Data: Email Addresses Passwords Usernames
  • Imported:
  • Number of lines: 61,023
  • Size: 3.84 MB
  • Passwords: MD5
  • Cracked: 23%

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.