HackerFeeds
All ransomware incidents
sago.com

Ransomware group BrainCipher hits sago.com

MEDIUM
·Technology·2026-08-31

sago.com — a technology target has been listed by the BrainCipher ransomware group on 2026-08-31. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.

Incident Report

Target Organizationsago.com
Threat Group
BrainCipher
Summary[AI generated] Sago is a market research and insights company headquartered in the United States. It specializes in connecting brands and researchers with qualified participants for qualitative and quantitative research studies, including focus groups, online surveys, and in-depth interviews. Formerly known as Schlesinger Group, Sago serves clients across various industries seeking consumer and professional insights to inform business decisions.
Date of Breach2026-08-31
Discovery Date2026-08-31
Region
Target Domainsago.com
Business SectorTechnology
Severity
MEDIUM

Claim by BrainCipher

[AI generated] Sago is a market research and insights company headquartered in the United States. It specializes in connecting brands and researchers with qualified participants for qualitative and quantitative research studies, including focus groups, online surveys, and in-depth interviews. Formerly known as Schlesinger Group, Sago serves clients across various industries seeking consumer and professional insights to inform business decisions.

Posted by the BrainCipher threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.

Sources

Victim website

sago.com

Leak post (onion / Tor)

tor

http://vkvsgl7lhipjirmz6j5ubp3w3bwvxgcdbpi3fsbqngfynetqtw4w5hyd.onion/n/sago-com

Open this URL in Tor Browser. Browsing leak sites carries real risk — view passively, never click further.

Disclaimer

HackerFeeds does not engage in the exfiltration, downloading, taking, hosting, viewing, reposting, or disclosure of any stolen information. All breach data reported here is sourced from publicly available threat intelligence feeds for awareness purposes only.