DisclosureLens
GLOBALMalwareManufacturingManufacturingRansomwareBlacknevasRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

MEFA Group

bd_b58b2bea1894d59f · schema v1 · pii pii-v2

Severity

High

Discovered

—

Filed

Aug 25, 2026

To disclose

—

Affected

Not disclosed

Confidence

50%
Full breach record for MEFA Group →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Blacknevas 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: ManufacturingDiscovered: 2026-09-08

Source: Ransomware.live

Post text · scraped from the leak site

https://send.exploit.in/#37608d72633301fc62801dfdf9111dbe!BsYvGiQz6WmjZo1VvPwTi8lU2K7prrPY2q6CdMORZn0List of files. For details and cooperation, write to Telegram https://t.me/BlackNevas or email [REDACTED-EMAIL] Group is a Turkish industrial group (headquartered in Ankara), founded in 2006. It operates in industrial manufacturing, plastics, rubber, processing, and logistics. The group has over 115,000 m2 of production space, over 2,000 employees, and several facilities in Turkey, Romania, and Poland. Its main areas of focus are the automotive industry, white goods, and related industries.MILKRUN — Milkrun Lojistik, the group's logistics division. It provides integrated and smart logistics solutions for group companies and partners (focusing on efficiency, digitalization, and sustainability). It is not the Australian grocery delivery service of a similar name.Efachem, a division specializing in plastic and rubber compounds (compound solutions), develops customized formulas to meet customer needs, ensuring compatibility with production processes and consistent quality.Ecopolymer, a division specializing in raw materials processing and technology, utilizes cutting-edge recycling technologies, converting plastic waste into high-performance raw materials within the framework of a circular economy.All these companies operate as a single ecosystem: production (MEFA Endüstri), raw materials/compounds (Efachem), processing (Ecopolymer), and logistics (Milkrun).

Incident timeline — mostly unverified

? — ?

Breach window unknown

Aug 25, 2026

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 2023-04-24

blacknevas

According to ransomware.live, BlackNevas is a ransomware group first observed in November 2024, believed to be derived from the Trigona ransomware family, targeting telecommunications, manufacturing, medical, and legal industries primarily in Asia-Pacific, the UK, Italy, and Lithuania using double-extortion with a dual AES/RSA encryption scheme.

49 tracked hereFull profile →