HackingTransportation & LogisticsTransportationData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Estes Express Lines

bd_c37017dcce54a7a9 · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 1, 2023

Filed

Dec 31, 2023

To disclose

13 weeks

Affected · nationwide

21,18412 in this filing

Linked

8 records

Confidence

66%

Full breach record for Estes Express Lines →

Estes Express Lines experienced an external system breach (hacking) on September 26, 2023, discovered on October 1, 2023. The incident compromised the names and Social Security Numbers of 21,184 individuals, including 12 Maine residents. Written notifications were sent on December 5, 2023, offering 12 months of credit monitoring and identity protection services provided by Kroll.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 1, 2023 → Filed with AG Dec 31, 202391d ⏱ ME AG >30d13 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 5 days

discovery → filing · 13 weeks / 91 days

Sep 26, 2023

Begins

Oct 1, 2023

Discovered

Dec 31, 2023

Filed

This filing is one of 8 records about the same incident.View merged incident

A leak claim by lockbit_3 about this victim was first seen 50 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitelockbit_3bd_8133c0adbada28e22023-10-02 · +90dVerified by operator

Regulatory filings (6) · sorted by filing gap

California State AGbd_c81da27f4e5ac9a02023-12-31Verified by operator
Indiana State AGbd_dc7acd3bd675249c2023-12-05 · +26dVerified by operator
Vermont State AGbd_f46705b840aae4762023-12-04 · +27dVerified by operator
Montana State AGbd_5b50f6cebbb7f4772023-12-01 · +30dVerified by operator

Show 2 more filings ↓up to 364d gap

Massachusetts State AGbd_dc748fba491cf3662024-02-11 · +42dVerified by operator
Illinois State AGbd_8133543266aa118c2023-01-01 · +364dVerified by operator

Name: Estes Express Lines
norm: estes express lines
Domain: estes-express.com

Name: Estes Express Lines
norm: estes express lines
Domain: estes-express.com
Industry: Transportation & Logisticsllm

Discovered: Oct 1, 2023
Breach occurred: Sep 26, 2023
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 5, 2023
Affected individuals: 21,184state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of identity theft protection services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(91 days from discovery to filing)
Compliance flags: ME AG >30d · 91dME resident >60d · 65dLeak >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Oct 1, 2023
→ Filed with AG: Dec 31, 2023
91d 30 days (soft) ME AG >30d
Maine
Discovered: Oct 1, 2023
→ Notified: Dec 5, 2023
65d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 1, 2023 → Filed with AG: Dec 31, 2023	91d	30 days (soft)	ME AG >30d
Maine	Discovered: Oct 1, 2023 → Notified: Dec 5, 2023	65d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Illinois State AGJan 1 · first

Montana State AG+334d

Vermont State AG+337d

Indiana State AG+338d

California State AG+364d

Maine State AG+364d · this page

Massachusetts State AG+406d

Pattern: first filing Jan 1 (IL), last Feb 11 (MA) — a 406-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/bbc40569-ad1b-4ca1-8be6-b10fd277a37e.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 31, 2023
Raw hash: 318be1c968608f0fecbabbb38ec345fb72d00584f535faac9b346de2b25d5397

Linked disclosures

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Reporting entityEstes Express Lines

Victim entityEstes Express Lines

Incidentdiscovered Oct 1, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov