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Victim Claim

idefeey.yucatan.gob.mx

lockbit5 ๐Ÿ‡ฒ๐Ÿ‡ฝ Mexico Public Sector idefeey.yucatan.gob.mx
Claimed by lockbit5
Listed on leak site 20 Jun 2026
Reported attack date 17 Jun 2026
Group claims tracked 103
Unverified claim. This entry reproduces a listing published by the lockbit5 group on its own extortion site. Attackers routinely exaggerate or fabricate victims. Nothing here confirms that idefeey.yucatan.gob.mx suffered a breach, or what data was actually taken.

About the organisation

The Institute for the Development and Certification of Educational and Electrical Physical Infrastru...

What the listing means

idefeey.yucatan.gob.mx appeared on the lockbit5 leak site on 20 June 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated โ€” the attack itself is dated 17 June 2026, 2 days before the listing. This group has not published new claims in the last 30 days.

Recommended actions

  • Treat any unsolicited message referencing idefeey.yucatan.gob.mx as suspicious โ€” leaked data gets weaponised for phishing within days.
  • If you hold an account on idefeey.yucatan.gob.mx, change that password now, update it anywhere you reused it, and enable two-factor authentication.
  • Other Public Sector 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 โ€” check the organisation's own disclosures before acting on it.

Leak-site evidence

Listing URL https://www.ransomware.live/id/aWRlZmVleS55dWNhdGFuLmdvYi5teEBsb2NrYml0NQ==

Show leak-site screenshot

Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.

Screenshot of the lockbit5 leak-site listing for idefeey.yucatan.gob.mx