DisclosureLens
GLOBALMalwareProfessional ServicesProfessional ServicesRansomwareBlacknevasRansom DemandedActor NamedMedium

PROMOSFERA S.r.l. promosfera.com

bd_7fa47d5514c3d2d6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

May 19, 2025

To disclose

Affected

Not disclosed

Linked

2 filings

Confidence

50%
Full breach record for PROMOSFERA S.r.l. promosfera.com

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: Business ServicesDiscovered: 2026-04-30

Source: Ransomware.live

Post text · scraped from the leak site

passports, employee and client documents, databases of promotional participants - hundreds of thousands of emails + full names, tens of thousands of emails + full names + phone numbersinternal company documentationhttps://gofile.io/d/5gNeSzhttps://gofile.io/d/dY7rYEWe ask all our partners, friends and clients to contact us to discuss the acquisition of this data. You know the contacts. For new members, please wait in the Contacts tab.Advertising:We are always ready to cooperate in any form, do you need specific data? We will try to provide it to you as soon as possible, we will receive and download your competitors' data, provide a list of what you are interested in. We are also ready to cooperate with law firms and data leak victims. We will provide all the information you need about the company that was negligent and provided access to data to its clients.

Incident timeline — mostly unverified

? — ?

Breach window unknown

May 19, 2025

Claim posted

Corroborated · see linked filings

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

Claim → filing

Compliance clock

Not assessable

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

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.

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.

48 tracked hereFull profile →