Data Breach WatchDBW

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monitoring

Actualizado about 1 month ago

Filtración de datos de Houghton Mifflin Harcourt Company

▼ Puntos clave

•Los reportes sugieren una posible filtración que involucra Houghton Mifflin Harcourt Company.
•Descubierto el May 9, 2026.
•Nivel de confirmación: Basado en reportes.

Resumen detallado

A ransomware group claimed to have compromised data from Houghton Mifflin Harcourt Company (HMH) in 2026. This claim, posted on a ransomware tracking site, indicates an alleged data compromise. HMH is a significant education and learning technology company.

The specific types of data exposed, the number of individuals affected, and the states impacted have not been publicly confirmed by HMH or any regulatory body. There is no official breach notification statement or state Attorney General filing available in the provided sources. No information regarding the involvement of sensitive data such as SSNs, medical records, or financial data has been released.

Details about this incident may emerge over time, and official notices can sometimes be delayed.

Cronología de la respuesta de la empresa

Ocurrió la filtración

May 9, 2026

La empresa descubrió la filtración

Desconocido

Se notificó al regulador

Desconocido

Se notificó a los consumidores

Desconocido

Estado de verificación de la filtración

Reports Only

Actual

Initial dark web reports of potential breach

Company Confirmed

Company has acknowledged the breach

Regulator Confirmed

Confirmed by regulatory authorities

Nota: La verificación de la filtración puede tomar tiempo. La información puede actualizarse a medida que haya más detalles disponibles por parte de las empresas y los reguladores.

Estado del caso:

Monitoring

We're monitoring this situation for developments.

Were You Affected By This Breach?

If you are a customer or have received a data breach notification, you may submit your information as part of our ongoing investigation. Submitting your information is free and does not obligate you.

¿Estuvo en la filtración de Houghton Mifflin Harcourt Company? Verifique su correo electrónico

Análisis gratuito en bases de datos de filtraciones conocidas. Luego elimine su información de los sitios de intermediarios de datos con Data Shield.

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Verifique su nivel de riesgo

Responda algunas preguntas para entender cómo podría afectarle esta filtración

¿Utiliza Houghton Mifflin Harcourt Company?

Sí

¿Qué debo hacer?

Change your passwords

Update passwords for the affected service and any accounts using the same password

Enable two-factor authentication

Add an extra layer of security to your accounts

Monitor your accounts

Watch for suspicious activity on your financial and online accounts

Watch for phishing attempts

Be cautious of emails or messages claiming to be from the affected company

Consider a credit freeze

Prevent unauthorized access to your credit report

Escanee su correo electrónico en busca de otras exposiciones

Verifique si esta dirección aparece en otras filtraciones conocidas. Gratis, sin cuenta.

Get your info off data-broker sites

Data Shield files removal requests with every broker that accepts an authorized agent, and gives you the exact link or letter for the brokers that only accept requests from you.

See how Data Shield works