Victim Claim
cesmac.edu.br
● Listed in the last 48h
Claimed by
krybit
Listed on leak site
04 Aug 2026
Reported attack date
04 Aug 2026
Group claims tracked
87
Unverified claim.
This entry reproduces a listing published by the krybit group on its own extortion site.
Attackers routinely exaggerate or fabricate victims. Nothing here confirms that
cesmac.edu.br suffered a breach, or what data was actually taken.
About the organisation
Centro Universitário CESMAC (CESMAC University Center) is the largest private higher education institution in the state...
What the listing means
cesmac.edu.br appeared on the krybit leak site on 04 August 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 20 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing cesmac.edu.br as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on cesmac.edu.br, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Education 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/Y2VzbWFjLmVkdS5ickBrcnliaXQ=
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
