DisclosureLens
GLOBALMalwareEnergy & UtilitiesUtilitiesRansomwareMedusaRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

PT Kalimantan Prima Persada

bd_39a5074343928059 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Nov 6, 2025

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for PT Kalimantan Prima Persada

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Medusa 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: EnergyDiscovered: 2025-11-07

Source: Ransomware.live

Post text · scraped from the leak site

PT Kalimantan Prima Persada (KPP) is a subsidiary of PT Pamapersada Nusantara (PAMA), a leading mining company in Asia. 99,99% shares composition of KPP owned by PT Pamapersada Nusantara and 0.01% by PT United Tractors Pandu Engineering. KPP was freshly born to realize a mining developer concept by establishing a new company to broaden market, offer services engaged in coal mining, started from exploration to sales and to service the booming, small and medium coal mining industry in Kalimantan. Ever since year 2003, KPP has established itself as PAMA'S NEXT GENERATION. The main operation is located in South Kalimantan and East Kalimantan. KPP are proud to contribute to the job market, create business opportunities for local entrepreneurs, as well as the implementation of various CSR programs. The improvement of Human Resources, the correct application of technology, professional management systems and the commitment towards safety at work, and nature preservation will always be the priorities. KPP aims to provide the best result for the stakeholders. In the future, KPP will become a prominent company as well as a trustworthy and reliable partner in the coal mining industry. company is headquartered in Jl. Rawa Gelam I No. 9, Kawasan Industri Pulogadung, Jakarta Timur 13930, DKI Jakarta, Indonesia. 1,872 Employees

Incident timeline — mostly unverified

? — ?

Breach window unknown

Nov 6, 2025

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 2023-01-11

medusa

According to ransomware.live, Medusa is a ransomware-as-a-service operation active since June 2021 that has targeted over 300 victims across critical infrastructure sectors including healthcare, education, legal, and manufacturing using double-extortion, with attacks surging 42% between 2023 and 2024 and a formal CISA advisory issued in early 2025.

565 tracked hereFull profile →