Sistemas Electrónicos y de Telecomunicaciones
About the organisation
Sertes is a Mexican company specializing in industrial automation, control systems, and telecommunications solutions. They provide PLC programming, SCADA systems, IoT integration...
What the listing means
Sistemas Electrónicos y de Telecomunicaciones appeared on the lamashtu leak site on 11 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 not published new claims in the last 30 days.
Recommended actions
- Treat any unsolicited message referencing Sistemas Electrónicos y de Telecomunicaciones as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on sertes.com.mx, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Telecommunication 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/U2lzdGVtYXMgRWxlY3Ryw7NuaWNvcyB5IGRlIFRlbGVjb211bmljYWNpb25...
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
