HSR Specialist Researchers
thegentlemenThis record tracks a ransomware attack claimed by the thegentlemen group against HSR Specialist Researchers. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
hsr.specialistresearchers.com.br https://www.zoominfo.com/c/hsr-specialist-researchers/372422527 HSR Specialist Researchers is the largest independent market research company in Brazil, offering specialized research services across various sectors including automotive, education, finance, healthcare, telecom, technology, and retail. They provide innovative solutions for market research needs, such as exploratory studies, product launches, and customer experience analytics. Their robust multi-platform data collection structure supports a wide range of output types, from simple data bases to comprehensive analytical reports. HSR aims to empower businesses by delivering strategic insights to enhance decision-making and market positioning.
Leak Screenshots
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.