VULNpocalypse
LowBreach / campaignMonitoring

Nightspire ransomware group claims REFSA S.A. on its leak site

RansomLook reports that the Nightspire ransomware group claims REFSA S.A. on its leak site; it is unverified, so partners should await official word.

Published
Exploitation
No, unverified leak-site claim only, per RansomLook; victim has not confirmed

What happened

According to RansomLook, the Nightspire ransomware group posted an entry titled “REFSA S.A.” on its leak site on 2026-11-02. RansomLook’s listing shows only the name and date. It does not describe what data, if any, the group says it holds.

The listing is the group’s own claim and does not prove a breach. None of the following is confirmed:

  • REFSA S.A. has not confirmed an incident in the sources provided.
  • No independent outlet has verified the claim.
  • The entry point, any data involved and its volume are not confirmed.
  • Any ransom demand or deadline is not confirmed.

Am I affected?

Not confirmed. The sources do not say which systems, data or people might be involved, if any. Only REFSA S.A. could confirm whether its customers, partners or staff are affected.

What to do now

  1. Do not download or open files said to come from the leak site. Treat the listing as an unverified claim.
  2. If you are a REFSA S.A. customer, partner or employee, watch for official statements from REFSA S.A.
  3. Be careful with unexpected messages that mention REFSA S.A. or this claim. Verify them through known contacts before you act.

Sources