DataBreachInformation.com
MonitoringTexas AG filing · October 6, 2026

iRhythm Technologies Reports 2026 Data Breach Affecting Patient Data

iRhythm Technologies Inc. reported a data breach to the Texas Attorney General on October 6, 2026, stemming from an incident on June 3, 2026. The breach involved sensitive patient information, including names, dates of birth, Social Security Numbers, and detailed medical data, necessitating vigilance from affected individuals.

State
Texas
Breach date
June 3, 2026
Reported
October 6, 2026

What may have been exposed

  • Full Name
  • Date of Birth
  • Social Security Number
  • Medical Record Number
  • Health Insurance ID Number
  • Diagnosis and Treatment Information
  • Cardiac Monitoring and ECG Data
  • Provider and Treatment Dates

iRhythm Technologies Inc., a digital health company specializing in cardiac monitoring solutions, filed notice of a data breach with the Texas Attorney General on October 6, 2026. The incident, which the company reported as occurring on June 3, 2026, is currently under monitoring, according to public filings.

The reported exposed data categories include Full Name, Date of Birth, Social Security Number, Medical Record Number, Health Insurance ID Number, Diagnosis and Treatment Information, Cardiac Monitoring and ECG Data, and Provider and Treatment Dates. These details, sourced from regulatory filings, indicate that highly personal health and identifying information was compromised.

Exposure of such comprehensive data can lead to various risks for affected individuals. This includes potential medical identity theft, where personal medical information could be used for unauthorized services or fraudulent billing. It also increases the risk of general identity theft and targeted phishing attempts.

Individuals who receive a breach notification letter from iRhythm Technologies Inc. should carefully review its contents for specific details. It is generally recommended to monitor explanation of benefits statements from health insurers and medical bills for any unfamiliar charges or services. Additionally, affected individuals should consider placing a fraud alert or security freeze on their credit reports to prevent new accounts from being opened in their name. Regularly checking credit reports for suspicious activity is also a prudent step.

Keeping personal and medical information secure is crucial. While iRhythm Technologies Inc. has reported this incident, ongoing vigilance from those affected is important to mitigate potential impacts. Reviewing all official communications related to this breach and taking proactive security measures can help protect against future misuse of exposed data.

What to do if you were affected

Based on the categories of information reported in this filing, these steps can help limit the risk of identity theft and fraud.

  • Freeze your credit

    Place a free credit freeze with Equifax, Experian, and TransUnion. A freeze blocks new accounts from being opened in your name and can be lifted anytime.

  • Watch your financial accounts

    Review bank and card statements for unfamiliar activity and turn on transaction alerts. Report anything you don't recognize to your bank right away.

  • Check for medical identity theft

    Review the Explanation of Benefits statements from your health insurer for services or claims you never received, which can signal misuse of your medical identity.

  • Stay alert to targeted scams

    Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.

  • Keep your notification letter

    Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

What to know about the iRhythm Technologies Inc. data breach

How many people were affected by the iRhythm Technologies Inc. data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Date of Birth, Social Security Number, Medical Record Number, Health Insurance ID Number, Diagnosis and Treatment Information, Cardiac Monitoring and ECG Data, Provider and Treatment Dates. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Where can I see the official iRhythm Technologies Inc. breach notice?
iRhythm Technologies Inc.'s report is published by the Texas Attorney General: https://oag.my.site.com/datasecuritybreachreport/apex/DataSecurityReportsPage#BR-0005401 Compare it with the letter you received to confirm the dates and details match.
What should I do after getting the iRhythm Technologies Inc. data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Is the iRhythm Technologies Inc. data breach letter legit or a scam?
A notice from iRhythm Technologies Inc. in the mail matches the breach iRhythm Technologies Inc. reported to the Texas Attorney General on October 6, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact iRhythm Technologies Inc. through a phone number or website you find yourself.
Did iRhythm Technologies Inc. offer free credit monitoring?
Look for an enrollment code in your iRhythm Technologies Inc. notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Using the free service won't stop you from joining a lawsuit or settlement later.
Can I sue iRhythm Technologies Inc. over the data breach?
It depends on what was exposed, the law in Texas and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
Is there a iRhythm Technologies Inc. data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against iRhythm Technologies Inc.. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
How much could a iRhythm Technologies Inc. data breach settlement or claim be worth?
There is no set amount, and no iRhythm Technologies Inc. settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. The filing lists Full Name, Date of Birth, Social Security Number as involved. Keep receipts and records; they're what damages claims are built on.
Do I need a iRhythm Technologies Inc. data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.

Source: Texas Attorney General filing

Related data breach cases