DisclosureLens
GLOBALMalwareManufacturingManufacturingRansomwareBeastRansom DemandedActor NamedData Leak ThreatenedData PublishedData ExfiltratedHigh

Sungwoo Co., Ltd

bd_83c6377177e62b44 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Mar 27, 2024

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Sungwoo Co., Ltd

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Beast 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: ManufacturingClaimed data size: 200GBDiscovered: 2026-02-24

Source: Ransomware.live

Post text · scraped from the leak site

Overview: Sungwoo Co., Ltd. is a South Korean manufacturer primarily engaged in the production and sale of secondary battery components (rechargeable batteries). Key Products: The company specializes in safety components for lithium-ion batteries, such as Top Cap Assemblies, which prevent explosions by venting gas and cutting off current during overcharging. They also produce precision electrical parts for mobile devices (like wireless earphones) and electric vehicles (EVs). Market Position: Founded in 1992 and headquartered in Gumi, the company serves as a key supplier in the EV and consumer electronics supply chain. It was recently listed on the KOSDAQ exchange (Ticker: 458650)

Incident timeline — mostly unverified

? — ?

Breach window unknown

Mar 27, 2024

Claim posted

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-12-19

beast

According to ransomware.live, Beast is a Ransomware-as-a-service (RaaS) product which provides functionality such as SMB scanning, file encryption, service and process starting and stopping, and geographic identification to avoid encryption in CIS countries.

73 victims claimed globally73 tracked hereFull profile →