Interzero
About the organisation
[AI generated] Interzero is a European environmental services company headquartered in Germany. It specializes in waste management, recycling, and circular economy solutions. The company helps businesses comply with extended producer responsibility regulations, manages packaging take-back systems, and provides consulting on sustainable resource use. Interzero operates across multiple European countries and serves clients in retail, manufacturing, and industry sectors.
What the listing means
Interzero appeared on the fulcrumsec leak site on 01 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 Interzero as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on interzero.de, 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/SW50ZXJ6ZXJvQGZ1bGNydW1zZWM=
Show leak-site screenshot
Captured from the group's extortion site. It may contain the victim's data or the attacker's messaging.
