HIGH RISK BREACH

American Addiction Centers Data Breach


Status: Confirmed

528K+Records
Sep, 2024Breach
9/17/25Data Posted
10/10Severity
HighThreat Level

Breach Intelligence Summary


Entity: American Addiction Centers · Actor: Rhysida · Source: DataBreach.com / ObscureIQ intelligence

Attack: Ransomware via Network intrusion / ransomware deployment

Timeline: Breach (Sep, 2024) · Reported (Sep, 2025) · Leak (9/17/25)

Exposure: 528K+ records · Social Security Number, Email, Phone Number, Home Address, Medical Diagnosis

Status: Confirmed · Risk: High (Identity theft + Medical identity fraud)

Summary

In late 2024 American Addiction Centers (AAC) a prominent network of rehabilitation facilities disclosed a significant data breach that exposed the personal and sensitive information of over 422 000 individuals. The breach which occurred in September 2024 was the result of a ransomware attack by the Rhysida cybercriminal group. The compromised data was extensive including patient names Social Security numbers dates of birth medical record numbers and health insurance information. Following the attack Rhysida claimed to have exfiltrated 2.8 terabytes of data and subsequently published it online. AAC began notifying affected individuals in December 2024 and offered them credit monitoring services. The incident has led to multiple class-action lawsuits filed against the organization alleging negligence in safeguarding patient data.

About American Addiction Centers

American Addiction Centers is the organization affected by this breach. User data may have been generated through account creation, service usage, or business operations.

If you have interacted with American Addiction Centers in any capacity, your data may be included in this breach.

Threat Actor: Rhysida

This breach has been attributed to Rhysida. The group is known for data theft campaigns targeting organizations through various intrusion methods.

Reported or suspected access method:
  • Network intrusion / ransomware deployment

Breach Exploitation Status

Threat Activity:
High
Signal
Status
Dark web marketplace listings
Detected
Credential stuffing list overlap
Possible
Phishing campaign relevance
Detected
Ransomware affiliate crossover
Possible
Law enforcement investigation visibility
Unknown

Data Longevity:
Indefinite (critical identifiers)

SSNs and government IDs never expire. This data can be used for identity theft years or decades after exposure.

Data Points Exposed

Data observed in the leaked dataset:
Social Security Number
Email
Phone Number
Home Address
Medical Diagnosis
Not confirmed in dataset:
Passwords (plaintext)
Payment card data
Passport numbers

Dark Web Verification

Status: Confirmed

  • Dataset containing approximately 528K+ records has been identified in breach intelligence sources.
  • The data is indexed and searchable across breach notification platforms.

Impact

This breach carries high risk due to the nature of exposed data fields and the scale of affected records.

Primary downstream threats include:
  • Targeted phishing referencing American Addiction Centers accounts or services
  • Identity theft using exposed Social Security Numbers
  • Medical identity fraud and insurance scams
  • SIM-swap attempts where phone numbers are present
  • Physical mail scams and address-based identity verification fraud
  • Data broker enrichment and resale

Recommendations for Impacted Individuals

If you believe your information may be included:

Check Your Exposure
If you are an ObscureIQ client, this breach has been indexed into your exposure profile.
Non-clients may request a breach impact review.
Expect Targeted Phishing
Watch for messages referencing:
American Addiction Centers account updates
Medical billing or insurance notices
Password reset requests
Verify directly through official channels.
Secure Your Email and MFA
Enable MFA immediately on email first, then financial platforms.
Email compromise is often the first pivot point.
Rotate Reused Passwords
Change any credentials shared with your American Addiction Centers account across other services.
Monitor Financial Accounts
Review bank statements, credit reports, and loan applications. Consider a credit freeze if SSN or financial data was exposed.
Suppress Personal Data
Remove exposed addresses, phone numbers, and enrichment data from broker networks and search engines.

Frequently Asked Questions

What happened in the American Addiction Centers data breach?

In Sep, 2024, American Addiction Centers experienced a data breach that resulted in the exposure of approximately 528K+ records containing personal information.

What data was exposed in the American Addiction Centers breach?

The exposed data includes Social Security Number, Email, Phone Number, Home Address, Medical Diagnosis.

How many records were affected in the American Addiction Centers breach?

Approximately 528K+ records were affected based on current breach intelligence.

Is the American Addiction Centers breach confirmed?

Yes. This breach is treated as confirmed based on data observed in breach intelligence platforms.

Is the American Addiction Centers breach data being used by criminals?

Data circulation has been detected across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.

What should I do if I was affected by the American Addiction Centers breach?

Rotate passwords associated with American Addiction Centers, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.

Protect Yourself

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Corporate Accountability

Organizations that collect personal data have a duty to implement reasonable safeguards and to notify affected individuals when breaches occur.

Scope assessments may evolve as investigations continue. Users should not rely solely on early estimates when making risk decisions.

ObscureIQ Advisory

We combine proprietary dark web access with commercial and restricted breach intelligence to verify exposure and assess real-world risk.

If you are:
  • A public-facing individual
  • A high-profile executive
  • A customer of American Addiction Centers
  • Or simply concerned about credential reuse

We can confirm whether your information is circulating and evaluate downstream threat vectors.

Services
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Classification Tags

Ransomware
SSN
Medical Data
Email
Phone
Address