Staminus 2016 Data Breach

Staminus 2016 Data Breach

Cybercrime / Threat Actor Infrastructure

Staminus 2016 Data Breach

A protection service.

Confirmed · ObscureIQ Intelligence
Limited DisclosureThis data comes from an illicit online community. Because merely appearing in it could wrongly imply involvement, we do not confirm anyone’s presence publicly or allow third parties to look others up. Check your own exposure privately below.
Breach Risk Index i
44/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
Restricted
Being associated with this breach can itself be harmful. Disclosure is limited and presence is not confirmed to unverified parties.
27KRecords
2016Year

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
Classification Tags
CybercrimeThreat Actor InfrastructureUsers2016

Breach Summary

In March 2016, the DDoS protection service Staminus was "massively hacked" resulting in an outage of more than 20 hours and the disclosure of customer credentials (with unsalted MD5 hashes), support tickets, credit card numbers and other sensitive data. 27k unique email addresses were found in the data which was subsequently released to the public. Staminus is no longer in operation.

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…

27K records analyzed

About Staminus

Staminus is a protection service.

Why They Hold Your Data

Staminus is a protection service. Services like this typically hold payment card data, customer service records, email addresses, IP addresses, passwords, usernames through account registration and normal operations.

Recent Developments

The Staminus dataset circulated publicly; treat as part of the standing exposure landscape.

Data Points Exposed

6 verified field types
Credit Card Critical
Customer Service Records
Email Address
IP Address
Password High
Username

Breach Impact

The exposure of credentials alongside personal data heightened account-takeover and reuse risk for Staminus users and drew scrutiny of its data protection.

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

A consumer-service breach: contact and account data supports phishing, account takeover and profile enrichment. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.

What You Should Do

  1. Reset any reused passwords and enable MFA on email first, then financial accounts.
  2. Do not use unofficial 'am I affected' lookups; several are themselves harvesting operations.

How ObscureIQ Can Help

  1. Corpus confirmation: determine whether and where the principal (plus household and staff) appear in this dataset and which specific fields are exposed for them.
  2. Exposure mapping: cross-reference the exposed identifiers against broker-available data to size and prioritize the principal's wider footprint.
  3. ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).

Protect Yourself

Protect Yourself: Limited Disclosure

Check Your Own Exposure: Verification Required

This data originates from an illicit online forum, and being listed is not proof of involvement. To protect people from false association, we confirm exposure only to the individual concerned. Verify your identity to privately check your own exposure.

We never confirm whether a specific person appears in this breach to anyone but that person.

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