M. B. Kahn Construction Co.
● Listed in the last 48hAbout the organisation
[AI generated] M. B. Kahn Construction Co. is a general contracting and construction management firm based in the United States, headquartered in Columbia, South Carolina. Founded in 1926, the company operates primarily across the southeastern United States. It serves sectors including commercial, industrial, healthcare, education, and government markets, delivering services such as design-build, preconstruction planning, and facility construction.
What the listing means
M. B. Kahn Construction Co. appeared on the coinbasecartel leak site on 01 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 9 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing M. B. Kahn Construction Co. as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on mbkahn.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Manufacturing 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/TS4gQi4gS2FobiBDb25zdHJ1Y3Rpb24gQ28uQGNvaW5iYXNlY2FydGVs
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
