Telecommunications

Medium

investigation open

Updated 3 days ago

Mobileum Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving Mobileum.
•Discovered on October 14, 2026.
•Possible data exposed: Full Name, Social Security Number.
•Affects individuals in: Massachusetts.
•Confirmation level: Confirmed by company.

Breach confirmed

The Mobileum breach is confirmed. If you may be affected, add your details below and we will take it from there.

Detailed summary

Mobileum, Inc., a telecommunications technology company based in Cupertino, California, discovered a data breach on August 22, 2026. The incident was disclosed to the Massachusetts Attorney General on October 9, 2026, and affected consumers were notified by written notice on October 13, 2026.

The breach exposed the full names and Social Security numbers of at least 45 individuals in Massachusetts. While other data categories like dates of birth, addresses, government IDs, medical information, and financial information were broadly listed as possible, their specific exposure has not been publicly confirmed. A nationwide total of affected individuals is currently unknown.

Details regarding the specific dates or nature of unauthorized access remain unclear. Further information may emerge as investigations progress.

Data possibly involved

Full Name
Social Security Number
Can be used to open fraudulent accounts and file false tax returns

Company Response Timeline

Response Grade

Notified consumers within 31–60 days

Breach Occurred

Aug 22, 2026

Company Discovered

Aug 22, 2026

Regulator Notified

Oct 9, 2026

Consumers Notified

Oct 13, 2026

0 days to discover

52 days to notify consumers

Breach Verification Status

Reports Only

Complete

Initial dark web reports of potential breach

Company Confirmed

Current

Company has acknowledged the breach

Regulator Confirmed

Confirmed by regulatory authorities

Note: Breach verification can take time. Information may evolve as more details become available from companies and regulators.

Case Status:

Investigation Open

We're actively investigating this case and seeking affected individuals.

Were you affected? Submit your information below.

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.

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Check Your Risk Level

Answer a few questions to understand how this breach might affect you

Do you use Mobileum?

Yes

What state are you in?

What should I do?

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

Scan your email for other exposures

Check whether this address shows up in other known breaches. Free, no account.

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