MalwareRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedIDENTITY_GOVERNMENTIDENTITY_BASICMediumActive
MKS Instruments, Inc
bd_40fb17ba9f50a304 · schema v1 · pii pii-v1
Full breach record for MKS Instruments, Inc →MKS Instruments, Inc. reported a ransomware event in Maine affecting 8 residents. Discovered on February 13, 2023, the incident involved encryption of business/manufacturing systems and potential exfiltration of personal data, including Social Security Numbers. MKSI activated incident response protocols, engaged outside experts, notified law enforcement, and provided 2 years of Equifax identity monitoring services.
Maine clockDiscovered Feb 13, 2023 → Filed with AG Feb 16, 20232d ✓ ME AG ≤30d2 days discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
This filing is one of 6 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (5) · sorted by filing gap
- bd_488d1bfaf6139cd5Montana State AGfiled 2023-02-16Verified
- bd_10609a6a1a76f030New Hampshire State AGfiled 2023-02-15(1d gap)Verified
- bd_7ab949b29245ba5aCalifornia State AGfiled 2023-02-15(1d gap)Candidate
- bd_91e20ee0c300cf70SEC 8-Kfiled 2023-02-13(3d gap)Verified
Show 1 more filing ↓Show fewer ↑up to 10d gap
- bd_a88f0c343179b832SEC 8-Kfiled 2023-02-06(10d gap)Candidate
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/5b274063-f49b-49f5-875f-8245bc8bcc0e.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Feb 16, 2023
- Raw hash
- a47688425597225ac6d81ac97180f0457f4f3009b68370827a8e0e12cc8102d5
Reporting entity
- Name
- MKS Instruments, Incnorm: mks instruments
- Domain
- mksinst.com
Victim entity
- Name
- MKS Instruments, Incnorm: mks instruments
- Domain
- mksinst.com
Incident
- Discovered
- Feb 13, 2023
- Materiality determined
- —
- Notification sent
- Feb 16, 2023
- Affected individuals
- 8
- Data types
- IDENTITY_GOVERNMENTIDENTITY_BASIC
- Attack vector
- Ransomware
- MITRE ATT&CK
- T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
- Threat actor
- ExternalFinancial
Compliance
- Time to disclose
- 2 days(2 days from discovery to filing)
- Compliance flags
- ME AG ≤30d · 2d
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
- Clock breakdown
Statute Window Elapsed Threshold Status Maine Discovered: Feb 13, 2023→ Filed with AG: Feb 16, 20232d 30 days ME AG ≤30d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.