Energy

High

investigation open

Updated 8 days ago

South Texas Project (STP) Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving South Texas Project (STP).
•Discovered on October 30, 2026.
•Possible data exposed: Name, Social Security number, Date of birth.
•Affects individuals in: Texas.
•Confirmation level: Confirmed by regulators.

Breach confirmed

The South Texas Project (STP) breach is confirmed. If you may be affected, add your details below and we will take it from there.

Detailed summary

STP Nuclear Operating Company, which manages the South Texas Project Electric Generating Station near Wadsworth, Texas, reported a data breach to the Texas Attorney General on October 28, 2026. According to the regulatory filing, personal information belonging to individuals was compromised during the incident. Impacted individuals received notice regarding the event via email.

The compromised records included names, Social Security numbers, dates of birth, and other unspecified personal information. The regulatory filing identified 1,173 Texas residents affected by the breach. The exact date the unauthorized activity occurred, the date of initial discovery by the company, and whether individuals outside Texas were involved remain unconfirmed.

Additional details regarding how the breach occurred and full remediation measures may emerge as regulatory inquiries and investigations progress. Notice timelines and disclosures can vary as technical investigations continue.

Data possibly involved

Name
Social Security number
Can be used to open fraudulent accounts and file false tax returns
Date of birth
Often used in combination with other data for identity theft

Company Response Timeline

Response Grade

Notified consumers within 30 days of discovery

Breach Occurred

Oct 30, 2026

Company Discovered

Oct 30, 2026

Regulator Notified

Oct 28, 2026

Consumers Notified

Oct 30, 2026

0 days to discover

0 days to notify consumers

Breach Verification Status

Reports Only

Complete

Initial dark web reports of potential breach

Company Confirmed

Complete

Company has acknowledged the breach

Regulator Confirmed

Current

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.

Were you in the South Texas Project (STP) breach? Check your email

Free scan against known breach datasets. Then remove your info from data-broker sites with Data Shield.

No signup required. 30-second scan. Your email is only stored if you opt into alerts.

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.

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Check Your Risk Level

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

Do you use South Texas Project (STP)?

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