HIGH RISK BREACH

Unverified Data Source Data Breach


Status: Confirmed

11.5M+Records
Jan, 2021Breach
3/24/21Data Posted
10/10Severity
HighThreat Level

Breach Intelligence Summary


Entity: Unverified Data Source · Actor: Unknown · Source: Have I Been Pwned / ObscureIQ intelligence

Attack: Data Exfiltration via Under investigation

Timeline: Breach (Jan, 2021) · Reported (Mar, 2021) · Leak (3/24/21)

Exposure: 11.5M+ records · Bank account numbers, Credit status information, Dates of birth, Email, Employers, Health insurance information, Income levels, IP addresses, Names, Personal health data, Phone numbers, Physical addresses, Smoking habits, Social security numbers

Status: Confirmed · Risk: High (Identity theft + Financial fraud)

Summary

In January 2021 over 11M unique email addresses were discovered by Night Lion Security alongside an extensive amount of personal information including names physical and IP addresses phone numbers and dates of birth. Some records also contained social security numbers driver’s license details personal financial information and health-related data depending on where the information was sourced from. Initially attributed to Astoria Company, they subsequently investigated the incident and confirmed the data did not originate from their services.

About Unverified Data Source

Unverified Data Source is the organization affected by this breach. User data may have been generated through account creation, service usage, or business operations.

If you have interacted with Unverified Data Source in any capacity, your data may be included in this breach.

Threat Actor: Unknown

The threat actor responsible for this breach has not been publicly identified or confirmed at this time.

Reported or suspected access method:
  • Under investigation

Breach Exploitation Status

Threat Activity:
High
Signal
Status
Dark web marketplace listings
Detected
Credential stuffing list overlap
Possible
Phishing campaign relevance
Detected
Ransomware affiliate crossover
Possible
Law enforcement investigation visibility
Unknown

Data Longevity:
Indefinite (critical identifiers)

SSNs and government IDs never expire. This data can be used for identity theft years or decades after exposure.

Data Points Exposed

Data observed in the leaked dataset:
Bank account numbers
Credit status information
Dates of birth
Email
Employers
Health insurance information
Income levels
IP addresses
Names
Personal health data
Phone numbers
Physical addresses
Smoking habits
Social security numbers
Not confirmed in dataset:
Passwords (plaintext)
Passport numbers

Dark Web Verification

Status: Confirmed

  • Dataset containing approximately 11.5M+ records has been identified in breach intelligence sources.
  • The data is indexed and searchable across breach notification platforms.

Impact

This breach carries high risk due to the nature of exposed data fields and the scale of affected records.

Primary downstream threats include:
  • Targeted phishing referencing Unverified Data Source accounts or services
  • Identity theft using exposed Social Security Numbers
  • Financial fraud and unauthorized transactions
  • Medical identity fraud and insurance scams
  • SIM-swap attempts where phone numbers are present
  • Physical mail scams and address-based identity verification fraud
  • Age/DOB used to bypass identity verification questions

Recommendations for Impacted Individuals

If you believe your information may be included:

Check Your Exposure
If you are an ObscureIQ client, this breach has been indexed into your exposure profile.
Non-clients may request a breach impact review.
Expect Targeted Phishing
Watch for messages referencing:
Unverified Data Source account updates
Financial transaction confirmations
Medical billing or insurance notices
Password reset requests
Verify directly through official channels.
Secure Your Email and MFA
Enable MFA immediately on email first, then financial platforms.
Email compromise is often the first pivot point.
Rotate Reused Passwords
Change any credentials shared with your Unverified Data Source account across other services.
Monitor Financial Accounts
Review bank statements, credit reports, and loan applications. Consider a credit freeze if SSN or financial data was exposed.
Suppress Personal Data
Remove exposed addresses, phone numbers, and enrichment data from broker networks and search engines.

Frequently Asked Questions

What happened in the Unverified Data Source data breach?

In Jan, 2021, Unverified Data Source experienced a data breach that resulted in the exposure of approximately 11.5M+ records containing personal information.

What data was exposed in the Unverified Data Source breach?

The exposed data includes Bank account numbers, Credit status information, Dates of birth, Email, Employers, Health insurance information, Income levels, IP addresses, Names, Personal health data, Phone numbers, Physical addresses, Smoking habits, Social security numbers.

How many records were affected in the Unverified Data Source breach?

Approximately 11.5M+ records were affected based on current breach intelligence.

Is the Unverified Data Source breach confirmed?

Yes. This breach is treated as confirmed based on data observed in breach intelligence platforms.

Is the Unverified Data Source breach data being used by criminals?

Data circulation has been detected across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.

What should I do if I was affected by the Unverified Data Source breach?

Rotate passwords associated with Unverified Data Source, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.

Protect Yourself

Check If You’re Affected

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High-Risk? Get an Exposure Audit

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Corporate Accountability

Organizations that collect personal data have a duty to implement reasonable safeguards and to notify affected individuals when breaches occur.

Scope assessments may evolve as investigations continue. Users should not rely solely on early estimates when making risk decisions.

ObscureIQ Advisory

We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.

If you are:
  • A public-facing individual
  • A high-profile executive
  • A customer of Unverified Data Source
  • Or simply concerned about credential reuse

We can confirm whether your information is circulating and evaluate downstream threat vectors.

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Classification Tags

Data Exfiltration
SSN
Financial Data
Medical Data
Email
Phone
Address