HackingRetail & ConsumerRetailStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

SUN COMMUNITIES, INC.

bd_a1dc5635457ebc3b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 6, 2026

Filed

Feb 6, 2026

To disclose

4 weeks

Affected · nationwide

2652 in this filing

Linked

5 filings

Confidence

65%

Full breach record for SUN COMMUNITIES, INC. →

Sun Communities, Inc. reported an unauthorized access incident affecting 265 individuals, including 2 Maine residents. The breach occurred on January 5, 2026, and was discovered on January 6, 2026. Compromised data included names, SSNs, driver's licenses, DOBs, and financial account numbers. Sun Communities engaged forensic investigators, enhanced security systems, and offered 12 months of credit monitoring and identity theft insurance via Cyberscout/TransUnion.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jan 6, 2026 → Filed with AG Feb 6, 202631d ⏱ ME AG >30d4 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 · 1 days

discovery → filing · 4 weeks / 31 days

Jan 5, 2026

Begins

Jan 6, 2026

Discovered

Feb 6, 2026

Filed

vs. sector median

3 wks faster

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

New Hampshire State AGbd_09a82c480dd156522026-02-06Verified
Massachusetts State AGbd_18e6b9d04edcc52d2026-02-06Verified
Indiana State AGbd_c49b633c09ef84602026-02-06Verified
Indiana State AGbd_fca4cd81ff1c98f62026-02-06Verified

Name: TAFT STETTINIUS & HOLLISTER LLP
norm: taft stettinius hollister

Name: SUN COMMUNITIES, INC.
norm: sun communities
Domain: suncommunities.com
Industry: Retail & Consumerllm

Discovered: Jan 6, 2026
Breach occurred: Jan 5, 2026
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Feb 6, 2026
Affected individuals: 265state + nationwide
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: valid_credentials

During the incident: Conducted a forensics investigation to determine the scope of the incident
Eliminated the threat of further unauthorized access
Safeguarded the information in its possession
Made immediate enhancements to systems, security and practices
Provided access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Provided proactive fraud assistance
Provided a $1 million identity theft insurance policy
Changes made: Made immediate enhancements to systems, security and practices
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(31 days from discovery to filing)
Compliance flags: ME AG >30d · 31d
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: Jan 6, 2026
→ Filed with AG: Feb 6, 2026
31d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jan 6, 2026 → Filed with AG: Feb 6, 2026	31d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

New Hampshire State AGFeb 6 · first

Massachusetts State AGFeb 6 · first

Indiana State AGFeb 6 · first

Maine State AGFeb 6 · first · this page

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-a1252b4f8318/17f80acd-4e1e-48e2-9905-560de34b9a31.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 6, 2026
Raw hash: 8c2202d90cdadd856a3698ed2bc11c9ef60c7993ccf65e21e2792bed888fd387

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityTAFT STETTINIUS & HOLLISTER LLP

Victim entitySUN COMMUNITIES, INC.

Incidentdiscovered Jan 6, 2026

Stated responseConducted a forensics investigation to determine the scope of the incident

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov