CRITICAL SEVERITYBreach Compilation

Unverified Data Source Data Breach

Unverified Multi-Source Breach (2021): SSN, Health Records, Bank Accounts & Income Data Exposed

Unattributed multi-source breach compilation with extensive PII fields

Verified by ObscureIQ Intelligence

10.0Severity
11.5MRecords
14Fields
2021Year

ObscureIQ Breach Intelligence Scores
10.0
Breach Risk Index
100
Data Value
10
Market Recency
1860
days
Since Breach

Risk Interpretation

High risk of identity theft, phishing, profiling, and misuse, even where provenance is uncertain. Unverified origin increases uncertainty, but not the practical harm once the records circulate.

🎯 Impact & Downstream Threats

n/a

Primary downstream threats:
  • Financial fraud using exposed financial profile data
  • Identity theft and synthetic identity construction using government-issued IDs
  • Identity verification bypass using name + date of birth combination
  • SIM swap attacks where phone numbers are present
  • Targeted phishing campaigns using exposed email addresses
  • Doxxing risk from physical address exposure
  • Employment-based social engineering using job and employer data

🔓 Threat Vectors

ACH fraud & unauthorized transfers
Fraudulent credit application
Identity verification bypass
Phishing, credential stuffing & account takeover
Business Email Compromise seeding
Loan fraud & targeted financial scams
Name-based social engineering
Insurance fraud & employment discrimination
Medical identity theft
Geolocation & account flagging
Insurance discrimination & targeting
SIM swapping, vishing & SMS phishing
Physical stalking, mail fraud & identity verification
Full identity theft & synthetic identity fraud

📋 Breach Intelligence

EntityUnverified Data Source (Unverified Data Source Compilation)
Organization • Global
Breach Date2021-01-01
HIBP Added2021-03-24
Records~11.5M (11,500,000 records)
Attack VectorUnknown
Threat ActorUnknown (compilation; provenance unverified per HIBP)
Discovered ByNight Lion
Data SubjectsUser
Breach PathwayDirect
SourceHave I Been Pwned / ObscureIQ
SensitivityRestricted
Breach ID1398.0
StatusConfirmed

📝 Executive Summary

A compiled dataset of personal records was discovered in January 2021 by researchers at Night Lion Security. The corpus contained more than 11 million unique email addresses paired with an unusually broad set of personal fields drawn from multiple unidentified sources.\n\nThe records included names, physical and IP addresses, phone numbers, dates of birth, employer details, income levels, and credit-status information. Some entries also contained social security numbers, driver's license details, bank account numbers, health insurance information, and personal health data. Fields varied by the source breach each record was drawn from. The original organizations responsible for the underlying leaks were never publicly attributed.\n\nBecause the data spans government identifiers, finance, and health, the practical risk to affected individuals is unusually severe. The combination of name, date of birth, and SSN supports synthetic identity fraud and identity-verification bypass. Bank account and health-insurance data extend exposure into ACH fraud, medical identity theft, and insurance abuse. Anyone whose data may have been included should monitor credit reports, place fraud alerts where available, and treat any unsolicited financial or medical correspondence with caution.

🏢 About Unverified Data Source

The "Unverified Data Source" record is not a corporate entity but a multi-source breach compilation surfaced in 2021. The dataset aggregated personal records from a mix of unattributed origins into a single corpus of more than 11 million unique email addresses. What distinguishes this compilation from a typical contact-list aggregation is the unusual depth of fields included, which extend well beyond names and emails into government identifiers, financial profiles, and health-linked information. The original sources of the underlying records were not publicly resolved.

Breach Compilation | Aggregated personal records from unidentified sources | Unverified multi-source personal data corpus | Global
Global* compilation

🗂 Why They Hold Your Data

Unverified multi-source personal data corpora typically aggregate identity, contact, and account-linked records from unclear or mixed origins into a generalized exposure dataset.

📰 Recent Developments

The compilation was discovered in January 2021 by Night Lion Security and added to public breach-tracking services shortly afterward. No definitive attribution has been published in the years since, and the original breached entities remain unidentified. Records from broad compilations of this type tend to recirculate on data-broker forums, dark-web marketplaces, and aggregated leak sites for years after first surfacing, particularly when they include high-value identity and financial fields. There has been no public regulatory action tied to the corpus.

🔍 Data Points Exposed

14 verified field types:
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

Exposure Categories

CredentialsSSN
LocationPHYS ADDR
FinancialFIN PROFILE | BANK ACCT | CREDIT STATUS
EmploymentEMPLOYER
MedicalHEALTH INFO

Canonical Fields

bank_account_number, credit_status, date_of_birth, email_address, employer, financial_profile:income, full_name, health_information, health_insurance_information, ip_address, lifestyle_habits:smoking, phone_number, physical_address, ssn

🌐 Dark Web Verification

Confirmed
  • Dataset containing ~11.5M records identified in breach intelligence sources
  • Data indexed and searchable across breach notification platforms
  • Source: Unverified Data Source Data Breach

🛡 Recommended Actions

⚠️ Do not assume this is low sensitivity.

1Freeze Your Credit
Place a credit freeze with Equifax, Experian, and TransUnion.
2Expect Targeted Phishing
Watch for emails referencing this breach. Verify through official channels.
3Enable MFA Everywhere
Enable multi-factor authentication on all accounts.
4Monitor Accounts
Watch for unauthorized activity on financial and personal accounts.
5Check Your Exposure
ObscureIQ clients: this breach is indexed in your profile.

Protect Yourself

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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 concerned about credential reuse
Services
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Classification Tags

EmailPhoneAddressFinancial DataDOB

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