2026 Grupo Mauá — BravoX ransomware claim (June 1)
Data compromised
Unspecified corporate data per actor marketing
Technical writeup
BreachHistory cataloged June 1, 2026 BravoX ransomware marketing against Grupo Mauá (grupomaua.com.br), a Brazilian industrial group. No company notice at catalog time.
Root cause
BravoX extortion claim