Kimsufi 2015 Data Breach
Hosting & Infrastructure / Hosting
Kimsufi 2015 Data Breach
A hosting service in the hosting & infrastructure sector.
Confirmed · ObscureIQ Intelligence
Breach Risk Index i
8/100
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.
505KRecords
2015Year
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.
Breach Summary
In mid-2015, the forum for the providers of affordable dedicated servers known as Kimsufi suffered a data breach. The vBulletin forum contained over half a million accounts including usernames, email and IP addresses and passwords stored as salted MD5 hashes.
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…
505K records analyzed
About Kimsufi
Kimsufi is a hosting service in the hosting & infrastructure sector.
Why They Hold Your Data
Kimsufi is a hosting service in the hosting & infrastructure sector. Services like this typically hold email addresses, IP addresses, passwords, usernames through account registration and normal operations.
Recent Developments
The Kimsufi dataset circulated publicly; treat as part of the standing exposure landscape.
Data Points Exposed
4 verified field types
Email Address
IP Address
Password High
Username
Breach Impact
The exposure of credentials alongside personal data heightened account-takeover and reuse risk for Kimsufi users and drew scrutiny of its data protection.
Exploitation & Downstream Threats
• Credential stuffing against reused passwords across other platforms | • 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
- 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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