sumerfaktoring.com
About the organisation
A Turkish financial company that provides factoring services (financing and management of accounts r...
What the listing means
sumerfaktoring.com appeared on the lockbit5 leak site on 11 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 07 May 2026, 35 days before the listing. This group has not published new claims in the last 30 days.
Recommended actions
- Treat any unsolicited message referencing sumerfaktoring.com as suspicious โ leaked data gets weaponised for phishing within days.
- If you hold an account on sumerfaktoring.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Financial 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 โ check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/c3VtZXJmYWt0b3JpbmcuY29tQGxvY2tiaXQ1
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.