UnknownTechnologyInformationCustomer Data InvolvedFinancial accountIdentity (basic)Government IDMinorMedium

TESSCO Incorporated

bd_d15f758c195d4282 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Sep 1, 2026

To disclose

—

Affected

17state residents only

Confidence

69%

Full breach record for TESSCO Incorporated →2 incidents on file

Tessco, LLC notified Massachusetts residents that an incident may have involved their minor child's information, including Social Security Numbers. The company offered 24 months of complimentary Experian IdentityWorks monitoring and identity restoration services. Due to Massachusetts law, specific details regarding the nature of the incident were not disclosed in the notice.

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Incident timeline — partial

? — ?

Breach window unknown

Sep 1, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed17 affectedView incident

Name: TESSCO Incorporated
norm: tessco
Domain: tessco.com

Name: TESSCO Incorporated
norm: tessco
Domain: tessco.com
Industry: Technologyllm

Discovered: —
Materiality determined: —
Notification sent: Sep 16, 2026
Affected individuals: 17state-resident count only
Data types: Financial accountIdentity (basic)Government IDMinor
Attack vector: Unknown

During the incident: Investigated and assessed the security of our systems
Notified potentially affected individuals
Providing your minor child with access to monitoring services at no charge through Experian for twenty-four (24) months
Source: Quoted from the filing itself, not independently verified.

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://www.mass.gov/doc/2026-1567-tessco-llc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2026
Raw hash: 112b80864923be6c0215575c29b1954e91cbea753a56160f27094944ad32f59e

Reporting entityTESSCO Incorporated

Victim entityTESSCO Incorporated

IncidentUnknown

Stated responseInvestigated and assessed the security of our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov