HackingVulnerability ExploitData ExfiltratedCustomer Data InvolvedIDENTITY_BASICFINANCIAL_ACCOUNTMediumContained
ULTRA CLEAN HOLDINGS, INC.
bd_9f16c0167e7bd358 · schema v1 · pii pii-v1
Full breach record for ULTRA CLEAN HOLDINGS, INC. →Ultra Clean Holdings, Inc. reported an external system breach (hacking) occurring on August 3, 2020, discovered on August 5, 2020. The incident affected 5,449 individuals, including 36 Maine residents. Stolen data included names and financial account or credit/debit card numbers (with security codes/PINs). The company provided written notification on October 23, 2020, and offered a complimentary two-year subscription to Experian’s IdentityWorks.
Maine clockDiscovered Aug 5, 2020 → Filed with AG Oct 23, 202079d ⏱ ME AG >30d11 weeks 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 5 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (4) · sorted by filing gap
- bd_e8e9dcedfef9c1c5Montana State AGfiled 2020-10-23Verified
- bd_10838ceb3c534737Oregon State AGfiled 2020-11-10(18d gap)Verified
- bd_5db3f2dc02d3ea4dMaine State AGfiled 2020-12-17(55d gap)Verified
- bd_c786788ea3638551California State AGfiled 2020-12-23(61d gap)Verified
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/2623621b-b57f-486f-8108-995dc4f92534.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Oct 23, 2020
- Raw hash
- 7113480c976d59bd43f0309727e08143895235e03c46ea13ad746fd728087f0e
Reporting entity
- Name
- ULTRA CLEAN HOLDINGS, INC.norm: ultra clean
Victim entity
- Name
- ULTRA CLEAN HOLDINGS, INC.norm: ultra clean
Incident
- Discovered
- Aug 5, 2020
- Materiality determined
- —
- Notification sent
- Oct 23, 2020
- Affected individuals
- 5,449
- Data types
- IDENTITY_BASICFINANCIAL_ACCOUNT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing Application
- Threat actor
- ExternalFinancial
- Regulator citations
- Filed data breach notice with Maine Attorney General
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 11 weeks(79 days from discovery to filing)
- Compliance flags
- ME AG >30d · 79dME resident >60d · 79d
- 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: Aug 5, 2020→ Filed with AG: Oct 23, 202079d 30 days (soft) ME AG >30d Maine Discovered: Aug 5, 2020→ Notified: Oct 23, 202079d 60 days (analyst band; statutory cap is 30 days) ME resident >60d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.