Koch 2023 Data Breach

Koch 2023 Data Breach

Financial Services / Financial Services

Koch 2023 Data Breach

A financial services service in the financial services sector.

Confirmed · ObscureIQ Intelligence
Breach Risk Index i
41/100
Lower riskHigher risk
Moderate: notable exposure with meaningful misuse potential.
Data Sensitivity i
Standard
Exposed data is largely lower-sensitivity. Standard identity-protection precautions are advised.
237KRecords
2023Year

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.

Classification Tags
Cl0p / CL0PFinancial ServicesEmployees2023

Breach Summary

Cl0p’s exploitation of the MOVEit vulnerability has revealed a trove of Koch data. The breach includes 237,486 employee records with names, emails, and phone numbers, along with 226,555 badge access logs tied to specific building locations. Additionally, it exposes lease transactions, internal hierarchies, and real estate projects, offering deep insights into Koch’s operations.

Full threat analysis, exploitation vectors, and principal guidance below.

11 additional sections · verified field analysis · defensive doctrine

Querying breach corpus…
Cross-referencing exposed field types…
Resolving threat-actor attribution…
Compiling principal risk advisory…

237K records analyzed

About Koch

Koch is a financial services service in the financial services sector.

Why They Hold Your Data

Koch is a financial services service in the financial services sector. Services like this typically hold email addresses, names, phone numbers through account registration and normal operations.

Recent Developments

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

Data Points Exposed

3 verified field types
Email Address
Full Name
Phone Number

Breach Impact

The exposure created downstream fraud and phishing risk for those affected and drew scrutiny of Koch's data protection.

Exploitation & Downstream Threats

• SIM swap attacks where phone numbers are present | • Targeted phishing campaigns using exposed email addresses

Principal Risk Advisory

What this means for a principal

A financial-institution breach: account, wealth or payment data supports direct fraud and highly credible financial-impersonation scams. For a high-profile principal the main risk is credible impersonation and enrichment of existing exposure.

What You Should Do

  1. Guard against SIM-swap and vishing: add a carrier port-out PIN and verify any 'support' calls independently.
  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 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.
  3. ThreatWatch tuned to this incident's identifiers and misuse pattern (impersonation and targeting patterns, not generic credential monitoring).
C/
Threat Actor: Cl0p / CL0PConfidence: High
Ransomware and mass exploitation group

Motivation: Financial extortion
A mature extortion group associated in public reporting with TA505 and FIN11-linked ecosystems. Cl0p is known for mass exploitation of managed file transfer products, including the 2023 MOVEit Transfer campaign exploiting CVE-2023-34362.

Read the full threat-actor profile →

Protect Yourself

Check If You're Affected

Enter your email to check whether your data appears in this breach. We’ll send a 6-digit code to confirm it’s your address.

Get Free Breach Alerts

Be the first to know when new breaches are disclosed. Free forever — confirm your email with a 6-digit code.

High-Risk? Get an Exposure Audit

Executives, public figures, and high-visibility operators can receive tailored exposure intelligence and hardening guidance.

Request Consultation