www.concisa.eng.br
qiulong listed this organization on its leak site on Jun 24, 2024.
- Listing date
- Jun 24, 2024
- Attack date
- Jun 24, 2024
Listing text
Com duas décadas de atuação em obras de pavimentação, saneamento, asfalto e terraplenagem, a Concisa Obras de Infraestrutura tornou-se referência no sul do Brasil pela qualidade dos serviços e pela transparência com que conduz seus negócios nos segmentos público e privado. Zoominfo: https://www.zoominfo.com/c/concisa-todos/562608830 CEO: Danilo ConteOffice Main Phone: (49) 3323-9591 DATA SIZE: 30GB CEO PERSONAL DOCUMENT:
About the group
qiulong posted its first listing on Apr 22, 2024 and has listed 8 organizations to date.
Qiulong is a ransomware group that emerged around April 2024 primarily targeting Brazilian organizations using double extortion and unique tactics such as publishing identity documents of victims' family members to pressure payment.
Learning center
What does this listing mean?
Ransomware groups move data out of the organization before encrypting systems and threaten to publish it if the ransom is not paid. This method is called double extortion.
The listing shows that the group claims to have targeted the organization. Whether the data was published is shown by the later status of the listing.
What should you do if your organization is listed on a leak site?
- Record the listing and any published sample files; do not visit the leak site from the corporate network.
- Isolate affected systems and preserve logs without deleting them.
- Determine which data left the organization; if personal data is involved, review notification obligations with your legal team.
- Make any decision about the ransom demand together with legal, management and incident response.
- Do not bring systems back online before the attacker’s entry point is closed.
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