HackingHealthcareHealthcareStolen CredentialsCustomer Data InvolvedData ExfiltratedDelayed DiscoveryIdentity (basic)Government IDFinancial accountHealth (basic)PHIHigh

Sycamore Rehabilitation Services, Inc.

bd_cac06062a75e937e · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 21, 2023

Filed

Mar 18, 2024

To disclose

26 weeks

Affected · nationwide

3,4142 in this filing

Linked

5 filings

Confidence

65%

Full breach record for Sycamore Rehabilitation Services, Inc. →

Sycamore Rehabilitation Services, Inc. reported a cybersecurity incident where an unauthorized third party may have accessed employee mailbox accounts. The breach occurred between July 29, 2023, and August 9, 2023, and was discovered on September 21, 2023. The investigation determined that sensitive information for 3,414 individuals may have been exposed, including names, Social Security numbers, driver's licenses, financial account information, and medical data. The company sent notification letters to affected individuals on March 1, 2024, and offered complimentary identity theft protection services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Sep 21, 2023 → Filed with AG Mar 18, 2024179d ✗ ME AG >90d26 weeks discovery → filing

Incident timeline

undetected · 54 days

discovery → filing · 26 weeks / 179 days

Jul 29, 2023

Begins

Sep 21, 2023

Discovered

Mar 18, 2024

Filed

vs. sector median

+15 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

HHS OCRbd_199994960da60bd82024-03-18Verified
New Hampshire State AGbd_eaedb39c9720d83d2024-03-25 · +7dVerified
Massachusetts State AGbd_9a37f2e575f6cf032024-03-26 · +8dVerified
Indiana State AGbd_089e1625dfb7d7f12024-03-01 · +17dCandidate

Name: Sycamore Rehabilitation Services, Inc.
norm: sycamore rehabilitation

Name: Sycamore Rehabilitation Services, Inc.
norm: sycamore rehabilitation
Industry: Healthcarellm

Discovered: Sep 21, 2023
Breach occurred: Jul 29, 2023 – Aug 9, 2023
Undetected for: 54 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 1, 2024
Affected individuals: 3,414state + nationwide
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PHI
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External

During the incident: Retained computer forensic specialists
Began a comprehensive investigation to determine the nature and scope of the incident
Mailed a notification letter to affected individuals
Offered identity theft protection and credit monitoring services at no cost
Changes made: Deployed Proofpoint email scanning and security
Deployed Breach Secure Now phishing testing
Deployed DUO MFA on VPN accounts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(179 days from discovery to filing)
Compliance flags: ME AG >90d · 179dME resident >60d · 162d
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
Maine
Discovered: Sep 21, 2023
→ Filed with AG: Mar 18, 2024
179d 90 days ME AG >90d
Maine
Discovered: Sep 21, 2023
→ Notified: Mar 1, 2024
162d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 21, 2023 → Filed with AG: Mar 18, 2024	179d	90 days	ME AG >90d
Maine	Discovered: Sep 21, 2023 → Notified: Mar 1, 2024	162d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

Indiana State AGMar 1 · first

HHS OCR+17d

Maine State AG+17d · this page

New Hampshire State AG+24d

Massachusetts State AG+25d

Pattern: first filing Mar 1 (IN), last Mar 26 (MA) — a 25-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/cedac38b-61ea-4184-811a-012d9b0abf80.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 18, 2024
Raw hash: 492c6e21b20291299b0bf61b4ef6cc8faf28b8b2bde3830c1f04088a860b57f2

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entitySycamore Rehabilitation Services, Inc.

Victim entitySycamore Rehabilitation Services, Inc.

Incidentdiscovered Sep 21, 2023

Stated responseRetained computer forensic specialists

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov