Victim Claim
Seidor
Claimed by
TiMc
Listed on leak site
09 Apr 2026
Reported attack date
09 Apr 2026
Group claims tracked
3
Unverified claim.
This entry reproduces a listing published by the TiMc group on its own extortion site.
Attackers routinely exaggerate or fabricate victims. Nothing here confirms that
Seidor suffered a breach, or what data was actually taken.
About the organisation
On behalf of A IT solution company , the first response to the data breach was trying to cover the truth, shame on you When the countdown was over, we will public your newest 200GB+ data.
What the listing means
Seidor appeared on the TiMc leak site on 09 April 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 Seidor as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on www.seidor.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Business Services 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/U2VpZG9yQFRpTWM=