UnknownGovernment IDMedium

Greylock McKinnon Associates

bd_fa7cb24c2851e546 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jan 24, 2024

To disclose

—

Affected

787state residents only

Linked

12 filings

Confidence

95%

Full breach record for Greylock McKinnon Associates →4 incidents on file

Greylock McKinnon Associates reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-01-24. 787 Massachusetts residents were affected.

J jump to incidentP pin to compareR raw source

Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Jan 24, 2024

Filed

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

This filing is one of 12 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Montana State AGbd_08e358e2c4d44d732024-02-23 · +30dVerified
New Hampshire State AGbd_8b8abd614469d3d92024-02-23 · +30dVerified
Maine State AGbd_e0ca51cf3adad76c2024-02-23 · +30dVerified
Massachusetts State AGbd_e352425b0bc9b1d92024-02-23 · +30dCandidate

Show 6 more filings ↓up to 83d gap

New Hampshire State AGbd_8b7ba321f28889a02024-04-04 · +71dVerified
South Carolina State AGbd_4f59e4feb1207f512024-04-05 · +72dVerified
Maine State AGbd_524d78fcdff1e19d2024-04-05 · +72dVerified
Oregon State AGbd_ba7fccfadfcbb07d2024-04-05 · +72dVerified
California State AGbd_c55a125d8e9e0f582024-04-05 · +72dVerified
Washington State AGbd_862de986dcc37c522024-04-16 · +83dVerified

Showing first 10 of 11 linked disclosures.

Name: Greylock McKinnon Associates
norm: greylock mckinnon associates

Name: Greylock McKinnon Associates
norm: greylock mckinnon associates

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 787state-resident count only
Data types: Government ID
Data elements: Social Security number
Stated not affected: Medical informationFinancial account numberDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Massachusetts State AGJan 24 · first · this page

Montana State AG+30d

New Hampshire State AG+30d

Maine State AG+30d

Massachusetts State AG+30d

New Hampshire State AG+71d

South Carolina State AG+72d

Maine State AG+72d

Oregon State AG+72d

California State AG+72d

Washington State AG+83d

Pattern: first filing Jan 24 (MA), last Apr 16 (WA) — a 83-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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/data-breach-report-2024/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 24, 2024
Raw hash: d904409c76aa02944600dd949fb79f5cd5614f549570ffe11f6f411ee943fb4b

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityGreylock McKinnon Associates

Victim entityGreylock McKinnon Associates

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov