HackingInformationData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPIIIdentity (basic)Government IDMediumContained

Mattson Technology, Inc.

bd_c844212627af85ca · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 16, 2023

Filed

Mar 17, 2023

To disclose

29 days

Affected · nationwide

702 in this filing

Linked

4 filings

Confidence

65%

Full breach record for Mattson Technology, Inc. →4 incidents on file

Mattson Technology, Inc. reported an external system breach that occurred between July 8, 2022, and October 3, 2022, and was discovered on February 16, 2023. The breach affected 2 Maine residents, compromising their names and Social Security Numbers. The company provided written notification and offered 12 months of credit monitoring services through Equifax to those affected.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Feb 16, 2023 → Filed with AG Mar 17, 202329d ✓ ME AG ≤30d29 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 223 days

discovery → filing · 29 days

Jul 8, 2022

Begins

Feb 16, 2023

Discovered

Mar 17, 2023

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_666f8fc027f131a22023-03-17Verified
Montana State AGbd_e53e03c6a7ad07962023-03-17Candidate
New Hampshire State AGbd_feb25c8137deedfe2023-03-27 · +10dVerified

Name: Mattson Technology, Inc.
norm: mattson technology

Name: Mattson Technology, Inc.
norm: mattson technology

Discovered: Feb 16, 2023
Breach occurred: Jul 8, 2022 – Oct 3, 2022
Undetected for: 223 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 17, 2023
Affected individuals: 70state + nationwide
Data types: PIIIdentity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

During the incident: Sent written notification to affected consumers
Offered 12 months of credit monitoring, restoration services, and identity theft insurance through Equifax
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: ME AG ≤30d · 29d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Feb 16, 2023
→ Filed with AG: Mar 17, 2023
29d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Feb 16, 2023 → Filed with AG: Mar 17, 2023	29d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGMar 17 · first

Montana State AGMar 17 · first

Maine State AGMar 17 · first · this page

New Hampshire State AG+10d

Pattern: first filing Mar 17 (MA), last Mar 27 (NH) — a 10-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/e0174189-eda2-492c-afde-fba2aeaf63a0.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 17, 2023
Raw hash: 458fb2fcddee70e506950dd3e01535ea59a03f759b7c498b3ce870e3f51fa37c

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMattson Technology, Inc.

Victim entityMattson Technology, Inc.

Incidentdiscovered Feb 16, 2023

Stated responseSent written notification to affected consumers

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov