Bulgarian National Revenue Agency 2019 Data Breach
Government / Government
Bulgarian National Revenue Agency 2019 Data Breach
A government service in the government sector.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
22/100
Lower riskHigher risk
Lower: limited current risk based on data value and recency.
Data Sensitivity i
StandardExposed data is largely lower-sensitivity. Standard identity-protection precautions are advised.
471KRecords
2019Year
The Breach Risk Index (BRI) is a proprietary 0–100 score rating how dangerous a breach is right now, based on how recently the data has been circulating on the dark web and how valuable it is to attackers.
Crucial data exposed
AddressPhysical address
Breach Summary
In July 2019, a massive data breach of the Bulgarian National Revenue Agency began circulating with data on 5 million people. Allegedly obtained in June, the data was broadly shared online and included taxation information alongside names, phone numbers, physical addresses and 471 thousand unique email addresses. The breach is said to have affected "nearly all adults in Bulgaria".
Full threat analysis, exploitation vectors, and principal guidance below.
10 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
471K records analyzed
About Bulgarian National Revenue Agency
Bulgarian National Revenue Agency is a government service in the government sector.
Why They Hold Your Data
Bulgarian National Revenue Agency is a government service in the government sector. Services like this typically hold email addresses, names, phone numbers, physical addresses, taxation records through account registration and normal operations.
Recent Developments
The Bulgarian National Revenue Agency dataset circulated publicly; treat as part of the standing exposure landscape.
Data Points Exposed
5 verified field types
Email Address
Full Name
Phone Number
Physical address High
Taxation Records
Breach Impact
The exposure created downstream fraud and phishing risk for those affected and drew scrutiny of Bulgarian National Revenue Agency's data protection.
Exploitation & Downstream Threats
• SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses | • Doxxing risk from physical address exposure
Principal Risk Advisory
What this means for a principal
A government-linked breach: official identifiers and citizen records support identity fraud and credible authority-impersonation. For a high-profile principal this is targeting-grade, not merely identity-theft-grade: the combination lets an adversary locate, impersonate, or pressure the principal with little additional work.
What You Should Do
- Treat the home address as exposed: review mail and package handling and physical-security routines, and brief household staff to verify unusual requests.
- Guard against SIM-swap and vishing: add a carrier port-out PIN and verify any 'support' calls independently.
- Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.
How ObscureIQ Can Help
- Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
- Exposure mapping and footprint neutralization: cross-reference against broker-available data and suppress still-removable elements, prioritizing address and phone, since this record re-seeds broker networks.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
Protect Yourself
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