Where does the Guidewire Software, Inc. case file come from?

Every entry is taken from the breach report Guidewire Software, Inc. lodged with the Massachusetts Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Guidewire Software, Inc. Data Breach

This file collects the dated facts on record for the Guidewire Software, Inc. incident. The state report is dated January 14, 2026.

Timeline

January 14, 2026Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state: Massachusetts
Date reported: January 14, 2026
Receiving office: Massachusetts Attorney General

Case notes

Guidewire Software, Inc., a leading enterprise software provider for the global property and casualty (P&C) insurance industry, reported a security incident to the Massachusetts Attorney General's office on January 14, 2026. The company stated that an investigation into the nature and full scope of the event is currently underway.

Guidewire develops and provides core transactional, data, and digital platforms that insurance carriers rely on for their operations. This role means the company routinely processes and stores substantial volumes of enterprise and consumer information, making any security event a matter of significant concern.

According to the official filing, the specific type of breach is unspecified, and the categories of data that may have been exposed are also not detailed. Guidewire's report refers to the potential exposure of personal information in general terms, without identifying particular data elements.

Because Guidewire integrates deeply into the operational infrastructure of major insurers, an intrusion at this level can bypass traditional defenses and potentially impact deeply embedded sensitive data. While the specific data types are not outlined in the public record, any compromise of information held by such a critical vendor warrants attention.

Individuals who receive notifications regarding this incident should monitor their accounts and financial statements closely for any suspicious activity. It is advisable to regularly review credit reports from the major bureaus and be wary of unsolicited communications, as these are general protective measures against the potential misuse of exposed data.

Questions about this case file

Where does the Guidewire Software, Inc. case file come from?: Every entry is taken from the breach report Guidewire Software, Inc. lodged with the Massachusetts Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Massachusetts data breaches

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Timeline

Case facts

Case notes

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