Victim Claim
Grupo Mauá
Claimed by
bravox
Listed on leak site
31 May 2026
Reported attack date
31 May 2026
Group claims tracked
13
Unverified claim.
This entry reproduces a listing published by the bravox group on its own extortion site.
Attackers routinely exaggerate or fabricate victims. Nothing here confirms that
Grupo Mauá suffered a breach, or what data was actually taken.
About the organisation
Operates in the construction, real estate, energy, and infrastructure sectors.
What the listing means
Grupo Mauá appeared on the bravox leak site on 31 May 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 2 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Grupo Mauá as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on www.grupomaua.com.br, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Manufacturing 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/R3J1cG8gTWF1w6FAYnJhdm94
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
