WINTER Ingenieure
β Listed in the last 48hAbout the organisation
WINTER Ingenieure specializes in planning and monitoring the construction of technical building equipment across Germany, focusing on functionality, sustainability, and cost-effectiveness. W ith a team of over 140 employees located in DΓΌsseldorf, Berlin, and Hamburg, they integrate tec hnical components into buildings innovatively. We will upload 340gb of corporate data soon. Employee personal information (German passports, I Ds, addresses, phones contacts), confidential files, projects, lots of specifications and so on .
ShellCodeX evidence assessment
Strong record Β· 85/100. Strong record completeness based on identity, context and retained source evidence. This score does not verify the attacker's allegation.
- A plausible organisation domain is attached to the claim.
- The record includes organisation-specific context rather than only a victim name.
- Country attribution is available for geographic context.
- Sector classification supports peer-risk comparison.
- A source listing reference is retained for traceability.
What the listing means
WINTER Ingenieure appeared on the akira leak site on 25 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 24 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing WINTER Ingenieure as suspicious β leaked data gets weaponised for phishing within days.
- If you hold an account on winter-ingenieure.de, 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 β check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/V0lOVEVSIEluZ2VuaWV1cmVAYWtpcmE=