Marriott Data Breach
Status: Confirmed
Breach Intelligence Summary
Entity: Marriott · Actor: LAPSUS$ · Source: DataBreach.com / ObscureIQ intelligence
Attack: Data Exfiltration via Under investigation
Timeline: Breach (Oct, 2025) · Reported (Oct, 2025) · Leak (10/3/25)
Exposure: 1.1M+ records · Email, Phone Number
Status: Confirmed · Risk: Low (Phishing / SIM swap)
Summary
The incident is one of several breaches affecting Salesforce in 2025. A group calling itself “Scattered LAPSUS$ Hunters” released a limited sample of the stolen database on October 3 2025. The records have since been indexed and anonymized in our search engine. According to the attackers the full dataset is scheduled for release on October 10 2025.
Data found in hackers’ sample – 🧍 Personal Information
Full name – ✅ Present Gender – ✅ Present Date of birth (day and month only) – ✅ Present Age – ⛔ Empty Nationality – ⛔ Empty Language – ✅ Present Preferred or calling name – ✅ Present, Title / salutation – ⛔ Empty
📧 , Contact Information
Email address – ✅ Present Mobile phone number – ✅ Present Mobile country code – ✅ Present Verified mobile / email flags – ✅ Present (fields exist) Alternate phone numbers – ⛔ Empty, Physical address – ⛔ Empty
💳 , Account & Loyalty Data
Internal CRM customer ID – ✅ Present Loyalty or membership card type – ✅ Present Revenue center or program ID – ✅ Present Merchant and purchase tracking fields – ✅ Present Corporate / employee linkage field – ✅ Present Account activation status – ✅ Present Account type (customer vs. person account) – ✅ Present Birthday-related fields (month day, formatted text) – ✅ Present
💬 , Marketing & Consent Records
Marketing opt-in flag – ✅ Present Data source (lead origin) – ✅ Present Preferred communication methods – ✅ Present (e.g. email phone SMS) Email verified flag – ✅ Present Mobile verified flag – ✅ Present Email bounce tracking – ⛔ Empty
Record creation and modification timestamps – ✅ Present Record owner and creator IDs – ✅ Present System synchronization timestamp – ✅ Present Currency code – ✅ Present Record type and internal flags – ✅ Present, Portal and priority status flags – ✅ Present
📲 , Security & Verification Data
Token and OTP verification fields – ✅ Present Email and mobile change / reset timestamps – ✅ Present PIN reset and verification counters – ✅ Present, Forget PIN and validation log fields – ✅ Present
⚖️ , Privacy & Legal Fields
Marketing consent records – ✅ Present Forget / opt-out event flags – ✅ Present Data rights request fields – ⛔ Empty
About Marriott
Marriott 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 Marriott in any capacity, your data may be included in this breach.
Threat Actor: LAPSUS$
This breach has been attributed to LAPSUS$. The group is known for data theft campaigns targeting organizations through various intrusion methods.
- Under investigation
Breach Exploitation Status
Low
Status
Unknown
Possible
Unknown
Unknown
Unknown
1–3 years
Email addresses and usernames persist but credentials may rotate. Phishing risk remains elevated during this window.
Data Points Exposed
Dark Web Verification
Status: Confirmed
- Dataset containing approximately 1.1M+ records has been identified in breach intelligence sources.
- The data is indexed and searchable across breach notification platforms.
Impact
This breach carries low risk due to the nature of exposed data fields and the scale of affected records.
- Targeted phishing referencing Marriott accounts or services
- SIM-swap attempts where phone numbers are present
- Data broker enrichment and resale
Recommendations for Impacted Individuals
If you believe your information may be included:
Non-clients may request a breach impact review.
Marriott account updates
Password reset requests
Verify directly through official channels.
Email compromise is often the first pivot point.
Frequently Asked Questions
In Oct, 2025, Marriott experienced a data breach that resulted in the exposure of approximately 1.1M+ records containing personal information.
The exposed data includes Email, Phone Number.
Approximately 1.1M+ records were affected based on current breach intelligence.
Yes. This breach is treated as confirmed based on data observed in breach intelligence platforms.
Data circulation has been reported across breach-sharing channels. Downstream exploitation risk exists based on the nature of the exposed fields.
Rotate passwords associated with Marriott, enable multi-factor authentication on email and financial accounts, and monitor for suspicious activity.
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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.
- A public-facing individual
- A high-profile executive
- A customer of Marriott
- Or simply concerned about credential reuse
We can confirm whether your information is circulating and evaluate downstream threat vectors.