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MonitoringIndiana AG filing · September 30, 2026

Bessemer Venture Partners Data Breach Exposes Personal Information

Deer Management Co. LLC, operating as Bessemer Venture Partners, reported a data breach to the Indiana Attorney General involving sensitive personal data. The incident, discovered on August 3, 2026, exposed various financial and identity-related details. Individuals who receive notification should take protective measures to safeguard their information.

State
Indiana
Breach date
August 3, 2026
Reported
September 30, 2026

What may have been exposed

  • Full Name
  • Social Security Number
  • Date of Birth
  • Financial Account Number
  • Routing Number
  • Tax Return Information
  • Wage and Compensation Information
  • Direct Deposit Account Details
  • Mailing Address

Deer Management Co. LLC, operating as Bessemer Venture Partners, filed a data breach notification with the Indiana Attorney General on September 30, 2026. This report concerned a security incident that impacted the venture capital firm's systems, with the breach itself dated to August 3, 2026.

The nature of the breach was not specified in the public filing, but it led to unauthorized access to various categories of personal information. As a firm involved in global technology investment and managing significant financial commitments, Bessemer Venture Partners routinely handles extensive sensitive data related to individuals.

The exposed data categories include Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Tax Return Information, Wage and Compensation Information, Direct Deposit Account Details, and Mailing Address. The compromise of such detailed personal and financial information carries a heightened risk of identity theft, financial fraud, and other related harms for affected individuals.

Those who receive an official notification letter from Bessemer Venture Partners are advised to carefully review its contents for specific details. It is recommended to remain vigilant by monitoring financial accounts and credit reports for any suspicious or unauthorized activity. Consider placing a fraud alert or credit freeze on your credit files with the major credit bureaus to help prevent unauthorized accounts from being opened in your name.

This information is based on public data breach filings made with regulatory bodies, such as state Attorneys General offices, to inform individuals about reported security incidents.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

  • Freeze your credit

    Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.

  • Guard against tax fraud

    File your tax return as early as possible and consider requesting an IRS Identity Protection PIN so no one can file a fraudulent return in your name.

  • Watch your financial accounts

    Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

Source: Indiana Attorney General filing

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