BiesSse Group
About the organisation
The BiesSse group, which has been operating on the global market for over 40 years, specializes in the production and conversion of highly performing technical adhesive tapes. The BiesSse Tape production plant covers a surface area of over 11,000 sq.mt. and is equipped with modern and advanced installations, in line with lean manufacturing practices. The BiesSse group operates worldwide through its subsidiaries in Austria, Brazil, China and Mexico, availing itself of a professional and strongly committed local workforce. The direct presence on the ground makes it possible to quickly and efficiently respond to customers’ demands and to ensure on-going assistance and support.-Personal information of employees and clients -Financial documents-SQL DB https://www.***.com/
What the listing means
BiesSse Group appeared on the spacebears leak site on 21 July 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has published 7 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing BiesSse Group as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on www.biessseworld.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Professional Services organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach — check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/Qmllc1NzZSBHcm91cEBzcGFjZWJlYXJz
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
