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investigation open

Updated 11 days ago

Cognizant Data Breach

▼ Key takeaways

•Reports suggest a potential breach involving Cognizant.
•Discovered on August 21, 2026.
•Possible data exposed: SSN, Name, Date of Birth, Address, Government ID, Medical Records, Financial Data.
•Affects individuals in: Massachusetts.
•Confirmation level: Confirmed by company.

Breach confirmed

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

Detailed summary

Cognizant Technology Solutions US Corporation experienced a data breach around April 21, 2026. The incident involved a ransomware attack by the group CoinbaseCartel, which claimed to have obtained company data and posted about it on the dark web on April 15, 2026. Cognizant disclosed the breach to the Massachusetts Attorney General on August 18, 2026.

The breach exposed sensitive personal information, specifically Social Security numbers. Reports also indicate names, dates of birth, addresses, and government IDs were involved. Medical and financial information may also have been involved, but the exact scope of these data types is not fully confirmed. The number of affected individuals is not publicly visible in the accessible snippets.

While written notices were sent to affected individuals, the specific number of individuals notified has not been publicly disclosed. Details regarding the full scope of the breach may emerge later.

Data possibly involved

SSN
Can be used to open fraudulent accounts and file false tax returns
Name
Date of Birth
Often used in combination with other data for identity theft
Address
Could be combined with other data for identity theft
Government ID
Medical Records
Could be used for insurance fraud or identity theft
Financial Data

Company Response Timeline

Response Grade

Notified consumers within 91–180 days

Breach Occurred

Apr 21, 2026

Company Discovered

Apr 21, 2026

Regulator Notified

Aug 18, 2026

Consumers Notified

Aug 18, 2026

0 days to discover

119 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 Cognizant?

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.

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