Mattson Technology, Inc. — July 2022 breach

Clustered 4 filings across 4 jurisdictions · filing window Mar 17, 2023 → Mar 27, 2023. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

4 filings

States

Affected · reported

First → last filing

Mar 17, 2023 → Mar 27, 2023

Merge confidence

100%

incident inc_09c7c1cd274d48ef · merged by llm · confidence 100%

Confirmed breach. Merged as one breach: 4 regulatory filings. The filings describe hacking. Intrusion Jul 8, 2022–Oct 3, 2022, discovered Oct 3, 2022 — the first regulatory filing landed 165 days later. 70 individuals reported across the linked filings. Data reported: Government ID, Financial account, PII, and 1 more. Notifications rolled out on a 10-day schedule across 4 filings beginning Mar 17, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

165days

Discovered → first regulatory filing

Discovery variance

136days

Range of discovered_at dates across filings

Filing span

10days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksMassachusetts✓ MA credit monitoring dueMaine✓ ME AG ≤30d · 29dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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