Victim Claim
tecosim.com
● Listed in the last 48h
Claimed by
lockbit5
Listed on leak site
16 Aug 2026
Reported attack date
16 Aug 2026
Group claims tracked
108
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
tecosim.com suffered a breach, or what data was actually taken.
About the organisation
TECOSIM is a technology corporation specializing in computer-aided engineering (CAE). They are headq...
What the listing means
tecosim.com appeared on the lockbit5 leak site on 16 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 5 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing tecosim.com as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on tecosim.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Technology 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/dGVjb3NpbS5jb21AbG9ja2JpdDU=
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
