Breach Intelligence

3,152

Total breached databases

Astoria Company (Partial) 2021

Astoria Company (Partial) 2021

In January 2021, the US lead-generation and data-broker company Astoria Company allegedly suffered a data breach. Reports suggest the wider dataset, discovered by Night Lion Security, contained over 11 million unique email addresses, though Astoria Company subsequently disputed that the data originated from its services. This partial file, reportedly leaked by Vinny Troia, exposed approximately 1,500 individuals. The compromised data reportedly included email addresses, names, physical and IP addresses, phone numbers, dates of birth, employment and income details, and in some cases Social Security numbers, financial information, and health-related data.
  • Data: Email Addresses Names Phone Numbers Physical Locations Geographic Locations Credit Card Information Bank Account Information Financial Information Government IDs Social Security Numbers Health Information Consumption Habits Insurance Information IP Addresses Job Information Company Information Birthdates
  • Records: 2,665
  • Lines: 22,837,114
  • Size: 15.19 GB
  • Passwords: No

Check if your data appears in this data breach!

Fields count statistics

Numbers may not be precise, a precision threshold of 100 is used to determine if a field is unique.

domain top values

Only the top 100 values are displayed in the chart.
Values with less than 100 occurrences are not displayed.

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.