Ransomware group BrainCipher hits sago.com
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 Organization | sago.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 Breach | 2026-08-31 |
| Discovery Date | 2026-08-31 |
| Region | — |
| Target Domain | sago.com |
| Business Sector | Technology |
| 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)
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.

