HackingCustomer Data InvolvedIdentity (basic)Government IDMedium

Clean Harbors Inc.

bd_7865d972a0786913 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 2, 2020

Filed

Dec 15, 2020

To disclose

15 weeks

Affected · nationwide

7721 in this filing

Confidence

50%

Full breach record for Clean Harbors Inc. →

Clean Harbors Inc. experienced an external system breach on August 27, 2020, which was discovered on September 2, 2020. The breach affected one Maine resident out of 772 total individuals impacted. The compromised information included names and Social Security numbers. In response, the company offered one year of credit monitoring services through Experian.

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Maine clockDiscovered Sep 2, 2020 → Filed with AG Dec 15, 2020104d ✗ ME AG >90d15 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 6 days

discovery → filing · 15 weeks / 104 days

Aug 27, 2020

Begins

Sep 2, 2020

Discovered

Dec 15, 2020

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed772 affectedView incident

Name: Clean Harbors Inc.
norm: clean harbors

Name: Clean Harbors Inc.
norm: clean harbors

Discovered: Sep 2, 2020
Breach occurred: Aug 27, 2020
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 15, 2020
Affected individuals: 772state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

Changes made: Experian will provide 1 year of credit monitoring across all three major credit bureaus
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(104 days from discovery to filing)
Compliance flags: ME AG >90d · 104d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 2, 2020
→ Filed with AG: Dec 15, 2020
104d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 2, 2020 → Filed with AG: Dec 15, 2020	104d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

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-a1252b4f8318/5c53c2ce-7676-44cb-b888-0b6aa0446ad1.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 15, 2020
Raw hash: 09e2a6aa5cd5ae7acef267e0590b5b06d4e271fb5e5e5364188b5d691b6edbb8

Reporting entityClean Harbors Inc.

Victim entityClean Harbors Inc.

Incidentdiscovered Sep 2, 2020

Stated responseExperian will provide 1 year of credit monitoring across all three major credit bureaus

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov