Did 9Tishman Speyer have a data breach?
Answer
Yes. 9Tishman Speyer reported a data breach to the Indiana Attorney General on September 16, 2026.
View the official filingWhat the filing says
- Reported to
- Indiana Attorney General
- Filing date
- September 16, 2026
- Breach date
- March 28, 2026
- People affected
- Not stated in the filing
Information involved
- Full Name
- Social Security Number
- Date of Birth
- Wage and Compensation Information
- Tax Return Information
- Direct Deposit Account Details
- Mailing Address
- Phone Number
In plain terms
Tishman Speyer is a globally renowned real estate developer, owner, operator, and investment manager, managing high-profile commercial office towers, residential complexes, and mixed-use developments. Because of the vast scale of their commercial and residential footprint, the enterprise maintains an extensive operational ecosystem involving tenants, commercial partners, investors, and a substantial workforce. To manage properties, execute leasing agreements, process investor distributions, and handle human resources, Tishman Speyer routinely collects and centralizes vast repositories of sensitive personally identifiable information (PII) and corporate financial data, creating a high-value target for cybercriminals.
In 2026, Tishman Speyer reported a significant data security incident to the Indiana Attorney General, highlighting vulnerabilities within its digital infrastructure. While organizations in the real estate and property management sectors increasingly rely on complex digital platforms for tenant portals, lease administration, and vendor management, these interconnected networks often present expanded attack surfaces. Incidents of this nature typically involve sophisticated cyberattacks, such as unauthorized intrusions into internal databases, ransomware deployment, or compromises of third-party vendor systems that maintain access to corporate and client archives.
The breach compromised an array of sensitive data categories, each presenting severe downstream risks to affected individuals. Exposed information commonly includes full names, dates of access or birth, Social Security numbers, banking and direct deposit details, tax documentation, and employment records. The compromise of Social Security numbers and financial data exposes victims to severe, long-term threats of identity theft, unauthorized credit openings, and tax fraud. Furthermore, the exposure of corporate and investor records risks financial account takeover and targeted phishing campaigns that can exploit victims for years following the initial incident.
As a custodian of private personal and financial data, Tishman Speyer was bound by stringent legal obligations under Indiana state data protection statutes and common law standards of care to implement robust administrative, physical, and technical safeguards. These regulations require corporations to maintain continuous monitoring, network segmentation, and encryption to thwart unauthorized access. The occurrence of a data breach of this magnitude serves as a strong indication that the company may have failed to uphold these fundamental security obligations, potentially breaching implied contracts and statutory duties.
Receiving a data breach notification letter from Tishman Speyer is an official admission that your private information was compromised due to inadequate security measures. Legally, the receipt of this letter establishes the concrete injury and standing necessary to participate in a class action lawsuit aimed at holding the company accountable. Importantly, affected individuals do not need to demonstrate actual financial loss or identity theft to seek justice; the increased risk of future harm alone is legally actionable. Our firm handles these data breach cases on a strict contingency fee basis, meaning there are never any out-of-pocket costs or fees unless we successfully recover compensation on your behalf.
Commonly recommended next steps
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.
Look up another company
Other breaches reported in Indiana
- Teamsters Local 17Yes — reportedIndiana
- BankYes — reportedIndiana
- PeoplesBankYes — reportedIndiana · October 8, 2026
- McKenzie Creative BrandsYes — reportedIndiana · September 30, 2026
- MEBS Global ReachYes — reportedIndiana · September 30, 2026
- Midvale Indemnity and American Family Connect Insurance CompanyYes — reportedIndiana · September 30, 2026
- American Motorcyclist AssociationYes — reportedIndiana · September 30, 2026
- Nishiyamato AcademyYes — reportedIndiana · September 30, 2026
- Deer Management Co. LLC dba Bessemer Venture PartnersYes — reportedIndiana · September 30, 2026
- 9World Acceptance CorporationYes — reportedIndiana · September 30, 2026
DataBreachSearch.com reports what was filed with state regulators. It is not legal advice, is not a law firm, and is not affiliated with any government agency or with 9Tishman Speyer.