Colegio María Inmaculada (CMI)
About the organisation
Catholic school in Moravia, Costa Rica. Domain cmi.local / mariainmaculada.ed.cr. Servers: CMI-DC01, CMI-APP, CMI-HTTP2, main-server1/2.
What the listing means
Colegio María Inmaculada (CMI) appeared on the medusalocker leak site on 05 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 11 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Colegio María Inmaculada (CMI) as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on mariainmaculada.ed.cr, 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/Q29sZWdpbyBNYXLDrWEgSW5tYWN1bGFkYSAoQ01JKUBtZWR1c2Fsb2NrZXI...
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
