ProctorU 2020 Data Breach
Education / Education
ProctorU 2020 Data Breach
An online exam service.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
19/100
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.
444KRecords
2020Year
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 June 2020, the online exam service ProctorU suffered a data breach which was subsequently shared extensively across online hacking communities. The breach contained 444k user records including names, email and physical addresses, phones numbers and passwords stored as bcrypt hashes. The data was provided to HIBP by breachbase.pw.
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…
444K records analyzed
About ProctorU
ProctorU is an online exam service.
Why They Hold Your Data
ProctorU is an online exam service. Services like this typically hold email addresses, names, passwords, phone numbers, physical addresses, usernames through account registration and normal operations.
Recent Developments
The ProctorU dataset circulated publicly; treat as part of the standing exposure landscape.
Data Points Exposed
6 verified field types
Email Address
Full Name
Password High
Phone Number
Physical address High
Username
Breach Impact
The exposure of credentials alongside personal data heightened account-takeover and reuse risk for ProctorU users and drew scrutiny of its data protection.
Exploitation & Downstream Threats
• Credential stuffing against reused passwords across other platforms | • 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
An education-sector breach: student, staff and identity records support identity theft and targeted phishing. 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.
- Reset any reused passwords and enable MFA on email first, then financial accounts.
- 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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