GLOBALMalwareConstructionRansomwareQilinRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh
Yooshin Engineering Corporation
bd_a6562a0c16ebe998 · schema v1 · pii pii-v1
Full breach record for Yooshin Engineering Corporation →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Qilin on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Group activity: ConstructionDiscovered: 2025-09-27
Source: Ransomware.live
Post text · scraped from the leak site
Yooshin Engineering Corporation provides engineering consulting services in South Korea and internationally. It offers various services, including feasibility study, basic and detailed design, construction project management, and post-complet ...
Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident
No regulatory filing corroborates this yet. If an SEC 8-K, state-AG notice, or victim statement lands, DisclosureLens will merge it into an incident and link it here.
Source provenance
- Source URL
- https://www.ransomware.live/id/WW9vc2hpbiBFbmdpbmVlcmluZyBDb3Jwb3JhdGlvbkBxaWxpbg==
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Sep 26, 2025
- Raw hash
- 5b181c199c9de9059ecdbf25f2d5a22498d145850c51298177ca7c84e5a8d556
Reporting entity
- Name
- qilin
Victim entity
- Name
- Yooshin Engineering Corporationnorm: yooshin engineering
- Domain
- yooshin.com
- Industry
- Construction
What this source establishes
- Source ceiling
- A leak-site claim can't tell us: discovery date · materiality · notification · affected count · confirmed data types · compliance clock. These stay blank until a regulatory filing or victim disclosure lands.
- Attack vector
- Ransomware· qilin
- Threat actor
- QilinExternalFinancial
Compliance
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.