HackingOtherDelayed DiscoveryIdentity (basic)Government IDMediumContained

InterCon Construction, Inc.

bd_a6ea95c84dce39c8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 19, 2024

Filed

Jan 30, 2025

To disclose

10 weeks

Affected

8state residents only

Linked

10 filings

Confidence

65%

Full breach record for InterCon Construction, Inc. →

InterCon Construction, Inc. notified the Maryland Attorney General of a cybersecurity incident where an unauthorized third party accessed systems between Nov 9-20, 2024. The incident affected 8 Maryland residents, exposing names and Social Security Numbers. InterCon secured the network, notified federal law enforcement, and provided 2 years of credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Maryland clock⏱ MD AG >30d10 weeks discovery → filing

Incident timeline

undetected · 10 days

discovery → filing · 10 weeks / 72 days

Nov 9, 2024

Begins

Nov 19, 2024

Discovered

Dec 6, 2024

Scope determined

Jan 30, 2025

Filed

vs. sector median

+2 wks slower

This filing is one of 10 about the same incident.View merged incident

A leak claim by hunters_international about this victim predates this filing by 72 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Sitehunters_internationalbd_130aa61ef87a5c7c2024-12-03 · +57dVerified by operator
Leak Sitehunters_internationalbd_5e8fadd8989ae7b92024-11-19 · +72dVerified by operator

Regulatory filings (7) · sorted by filing gap

Vermont State AGbd_07da051516d760a92025-01-30Verified by operator
Massachusetts State AGbd_14070f8b0c1af3db2025-01-30Verified by operator
Maine State AGbd_582a084eaf48919f2025-01-30Verified
Indiana State AGbd_a439c38e26723fd72025-01-30Verified

Show 3 more filings ↓up to 29d gap

New Hampshire State AGbd_e34573a9951f9fb92025-01-30Verified
Nebraska State AGbd_f2a6b709aae0ef0b2025-01-30Verified
Illinois State AGbd_c4b44dad8f64b5de2025-01-01 · +29dVerified by operator

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: InterCon Construction, Inc.
norm: intercon construction
Domain: intercon-const.com
Industry: Otherllm

Discovered: Nov 19, 2024
Breach occurred: Nov 9, 2024 – Nov 20, 2024
Undetected for: 10 daysoccurrence → discovery
Materiality determined: Dec 6, 2024
Notification sent: Jan 30, 2025
Affected individuals: 8state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified federal law enforcement regarding the eventProviding written notice of this incident to relevant state regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion

During the incident: Initiated an investigation into the nature and scope of the incident
Took steps to secure the network
Notified federal law enforcement regarding the event
Working to implement additional safeguards and training to its employees
Providing access to credit monitoring services for two (2) years, through IDX, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state regulators, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Implementing additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(72 days from discovery to filing)
Compliance flags: MD AG >30dLeak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 8 states

View merged incident ↗

Illinois State AGJan 1 · first

Vermont State AG+29d

Massachusetts State AG+29d

Maine State AG+29d

Indiana State AG+29d

New Hampshire State AG+29d

Nebraska State AG+29d

Maryland State AG+29d · this page

Pattern: first filing Jan 1 (IL), last Jan 30 (MD) — a 29-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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376268.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 30, 2025
Raw hash: 2e68f196e199c47913a46a6db37ef6cd27f49296fe014da7cd777bfe80550522

Linked disclosures

Ransomware claims (2)

Regulatory filings (7) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityInterCon Construction, Inc.

Incidentdiscovered Nov 19, 2024

Stated responseInitiated an investigation into the nature and scope of the incident

ComplianceMD AG >30d

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov