Overview 

Data breaches are no longer rare or isolated events. From healthcare providers and financial institutions to employers and consumer brands, organizations across every industry are being targeted. If you recently received a breach notification or suspect your personal information may have been compromised, you’re not alone. 

The most common questions people ask after a breach are simple but urgent: Was my data exposed? What does this mean for me? And what should I do next?  

This guide walks you through how to check whether your data was involved in a breach and the practical steps you should take immediately to protect yourself in 2026. 

How to Tell If Your Data Was Involved in a Breach 

In many cases, companies are legally required to notify affected individuals when certain types of personal information are exposed. Notifications may arrive by:  

• Email 
• Postal mail  
• Account messages or alerts 
• Public announcements on a company’s website 

If you receive a notice, read it carefully. It should explain:  

• What happened 
• What information may have been exposed  
• The timeframe of the incident 
• What steps is the company taking  

Even if you haven’t received a notice, your data may still be affected.  

Check Your Accounts for Unusual Activity 

Signs your data may have been compromised include: 

• Password reset emails you didn’t request 
• Login alerts from unfamiliar devices or locations 
• Charges or transactions you don’t recognize 
• Changes to account settings you didn’t make 

These signs don’t always mean a breach occurred – but they should be taken seriously.  

Monitor Your Credit and Financial Records 

Some data breaches involve sensitive information such as Social Security numbers, banking details, or insurance information.  

Watch for: 

• New accounts opened in your name  
• Unexpected credit inquiries 
• Sudden changes to your credit score 

Catching issues early can limit long-term damage. 

What to Do Immediately If Your Data Was Exposed

Step 1: Secure Your Accounts

Change passwords for any affected accounts and avoid reusing old passwords. Where possible:
• Use strong, unique passwords
• Enable multi-factor authentication
• Update security questions

This reduces the risk of further misuse. 

Step 2: Place Fraud Alerts or Credit Freezes

If sensitive financial data were exposed, consider:
• Placing a fraud alert with major credit bureaus
• Freezing your credit to prevent new unauthorized accounts (note, to be effective, you need to freeze your credit at all three major credit bureaus—Equifax, Experian, and TransUnion—because they do not talk to each other) 

These measures are free and can provide added protection. 

Step 3: Document Everything

Keep copies of:
• Breach notifications
• Emails or letters from the company
• Evidence of suspicious activity or financial loss

This documentation can be important if issues arise later. 

Step 4: Monitor for Long-Term Effects

Data misuse doesn’t always happen immediately. Identity theft and fraud can surface months—or even years—after a breach. Continued monitoring is essential. 

Do Data Breaches Automatically Mean You Have a Legal Claim?

Not every data breach results in a lawsuit, but many do, especially when:
• Sensitive data was exposed
• The organization failed to implement reasonable security measures
• Notifications were delayed or incomplete
• Consumers experienced financial harm or increased risk of identity theft

In these situations, affected individuals may be eligible to participate in a data breach class action or pursue other legal remedies. 

How Data Breach Lawsuits Can Help Affected Individuals

Legal actions related to data breaches can seek:
• Compensation for financial losses
• Reimbursement for credit monitoring or identity protection
• Changes to corporate data-security practices
• Accountability for failure to safeguard personal information

Even if you haven’t experienced direct financial loss yet, exposure of sensitive data alone may still be legally significant. 

How Lowey Dannenberg Helps Data Breach Victims

Lowey Dannenberg represents individuals impacted by large-scale data breaches across industries, including healthcare, finance, and consumer services. The firm focuses on holding organizations accountable when they fail to protect personal information. Lowey has recently secured multiple settlements, including a $29.5 million settlement with Wawa, $10 million with Nelnet, $7.1 million with Drizly, and $6 million with Travelers. 

If you believe your data may have been exposed, understanding your rights is an important first step. You can contact our attorneys, Christian Levis at Clevis@lowey.com, or Amanda Fiorilla at  AFiorilla@lowey.com, or browse ongoing data privacy investigations through Lowey’s case management platform, Claim Magic.