Social EngineeringPhishingStolen CredentialsMulti-Stage ChainCustomer Data InvolvedIdentity (basic)Government IDMediumContained

M & M Excavating, LLC

bd_af453be393632849 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 9, 2022

Filed

Jan 10, 2023

To disclose

9 weeks

Affected

5state residents only

Confidence

66%

Full breach record for M & M Excavating, LLC →

M&M Excavating, Inc. notified the New Hampshire Attorney General of a security incident discovered on November 9, 2022. An employee's email account was compromised via phishing, leading to unauthorized ACH payments. Personal information (names, SSNs, driver's license numbers) of 5 NH residents was accessed. Notifications were mailed on January 9, 2023, with credit monitoring offered.

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Incident timeline

discovery → filing · 9 weeks / 62 days

Nov 9, 2022

Discovered

Dec 20, 2022

Scope determined

Jan 10, 2023

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed5 affectedView incident

Name: M & M Excavating, LLC
norm: m m excavating

Name: M & M Excavating, LLC
norm: m m excavating

Discovered: Nov 9, 2022
Materiality determined: Dec 20, 2022
Notification sent: Jan 9, 2023
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Launched an internal investigation
Conducted a careful review of the contents of the account
Mail notification letters via First Class mail to the New Hampshire residents
Offering notified individuals complimentary, one-year memberships to credit monitoring and identity theft protection services through Experian
Provided a phone number for notification recipients to call with additional questions regarding the incident
Changes made: Taking steps to enhance the security of its email tenant
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(62 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://mm.nh.gov/files/uploads/doj/remote-docs/m-m-excavating-20230110.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 10, 2023
Raw hash: abf64229072bb2901e84450fa6e425c54f63aa091ee01c3346f7a61c529dcef8

Reporting entityM & M Excavating, LLC

Victim entityM & M Excavating, LLC

Incidentdiscovered Nov 9, 2022

Stated responseLaunched an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov