Descomplica 2021 Data Breach
Platform · Online education services · Digital learning platform · Brazil
Descomplica Brazilian EdTech Platform Breach (2021): 4.8 Million Student Records Including Partial Credit Card Data & Purchase History Exposed
Brazilian online education platform.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
34/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
ElevatedExposed data raises the risk of fraud, targeting, and impersonation. Proactive steps are warranted.
4.8MRecords
2021Year
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
FinancialCredit Card
Breach Summary
In March 2021, the Brazilian EdTech company Descomplica suffered a data breach posted to a hacking forum, exposing nearly 5 million records. Exposed data included email addresses, names, partial credit-card data (first six and last four digits plus expiry), purchase histories, and password hashes. Additional data such as CPF (national ID), academic records, and phone numbers may also have been leaked.
Full threat analysis, exploitation vectors, and principal guidance below.
9 additional sections · verified field analysis · defensive doctrine
Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…
4.8M records analyzed
About Descomplica
Descomplica is a major Brazilian education-technology (EdTech) platform offering online courses and exam prep.
Why They Hold Your Data
Digital learning platforms collect student accounts, emails, passwords, progress data, billing information, and educational engagement records tied to online instruction and test preparation.
Data Points Exposed
5 verified field types
Credit Card Critical
Email Address
Full Name
Password High
Transaction History
Breach Impact
Partial card data plus purchase history and identity supports card-fraud reconnaissance and targeted phishing; if the reported CPF/academic data is accurate, identity-fraud risk rises further.
Exploitation & Downstream Threats
• Credential stuffing against reused passwords across other platforms | • Financial fraud using exposed financial profile data | • Targeted phishing campaigns using exposed email addresses
Principal Risk Advisory
What this means for a principal
An education-sector breach: student, staff and identity records support identity theft and targeted phishing. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.
What You Should Do
- Reset any reused passwords and enable MFA on email first, then financial accounts.
- 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: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
- ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
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