HackingTransportation & LogisticsTransportationStolen CredentialsCustomer Data InvolvedCredentialsIdentity (basic)LowResolved

Amtrak

bd_aa83163522dec153 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 16, 2020

Filed

May 28, 2020

To disclose

6 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

64%

Full breach record for Amtrak →4 incidents on file

On April 16, 2020, Amtrak detected unauthorized access to certain Amtrak Guest Rewards accounts using compromised usernames and passwords. The incident occurred between April 16 and April 17, 2020. Amtrak terminated access within hours, reset passwords, and engaged cybersecurity experts. No financial data or SSNs were compromised. Affected customers were offered one year of Experian IdentityWorks.

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California clockDiscovered Apr 16, 2020 → Notified May 29, 202043d ✓ CA 60-day OK6 weeks discovery → filing

Incident timeline

discovery → filing · 6 weeks / 42 days

Apr 16, 2020

Begins

Apr 16, 2020

Discovered

May 28, 2020

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_1c6e0f35adb6d7e22020-05-28Verified
Montana State AGbd_34e71fc916b78fe92020-05-29 · +1dCandidate
Indiana State AGbd_b1a7c089ccb1fd5d2020-05-29 · +1dVerified

Name: Amtrak
norm: amtrak
Domain: amtrak.com

Name: Amtrak
norm: amtrak
Domain: amtrak.com
Industry: Transportation & Logisticsllm

Discovered: Apr 16, 2020
Breach occurred: Apr 16, 2020 – Apr 17, 2020
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 29, 2020
Affected individuals: Not disclosed
Data types: CredentialsIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Cooperating with federal law enforcement
Initial access: valid_credentials

During the incident: Terminated the unauthorized access within a few hours
Reset the passwords for potentially affected accounts
Engaged outside cybersecurity experts to confirm that the incident was contained
Implemented additional safeguards to protect customers
Offering a complimentary one-year membership of Experian’s IdentityWorks
Changes made: Implemented additional safeguards to protect customers
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: CA 60-day OK · 43d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Apr 16, 2020
→ Notified: May 29, 2020
43d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Apr 16, 2020 → Notified: May 29, 2020	43d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGMay 28 · first

California State AGMay 28 · first · this page

Montana State AG+1d

Indiana State AG+1d

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-190440
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 28, 2020
Raw hash: 924426fbc7ebd63cfe750227196a6a00f27f21f0a63661098af5fb3b546d090f

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityAmtrak

Victim entityAmtrak

Incidentdiscovered Apr 16, 2020

Stated responseTerminated the unauthorized access within a few hours

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov