Was bwi-bau.de hit by ransomware?

bwi-bau.de was listed by the safepay ransomware operation (Germany), and stolen data was published on the group's leak site. Darkfield tracks this disclosure with the original leak post, screenshot and group context.

Who is the safepay ransomware group?

safepay is a ransomware operator tracked by Darkfield. See the full operator dossier for its known victims, sectors targeted, IOCs and leak-site infrastructure.

What data was leaked in the bwi-bau.de breach?

safepay published data attributed to bwi-bau.de. Darkfield captured the leak post and a screenshot of the listing.

Ransomware victim disclosure

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bwi-bau.de

Claimed by Safepay · listed 12 hours ago

Today

Age

since listed · data leaked

Status timeline

ListedOct 5, 2026
Data leakeddate unknown

At a glance

Group: Safepay
Status: Data leaked
Country: Germany
Sector: Professional Services
Listed on leak site: Oct 5, 2026

About the victim

AI dossier — public-source company profile

BWI-Bau GmbH – Institut der Bauwirtschaft is a German specialist institute for construction economics and management, headquartered in Düsseldorf. Established in 1964 as a subsidiary of the Construction Industry Association of North Rhine-Westphalia, it provides business consulting, professional education, research, and industry information services to construction companies.

Industry: Construction Economics & Management Consulting
Address: Düsseldorf, Germany
Founded: 1964

Attack summary

Severity: medium — Data has been published/disclosed status confirmed, but no proof files are yet visible, no specific sensitive data types are enumerated, and no operational disruption is claimed. The threat of future proof publication elevates this above 'low', but without concrete evidence of regulated data exfiltration, 'medium' is appropriate.

The SafePay group claims to have compromised BWI-Bau's systems and exfiltrated data. The leak post indicates that proof files will be published ('The link will be added soon'), but no specific data categories or operational impact details are provided.

medium

Data the group says was taken

AI dossier — extracted from the leak post

business records
client information
internal systems

What the group claims

The organization was established in October 1964 as a subsidiary of the Construction Industry Association of North Rhine-Westphalia. It originally …

The leak post

captured from the group's site

BWI-Bau GmbH – Institut der Bauwirtschaft is a German specialist institute for construction economics and management, headquartered in Düsseldorf.
The organization was established in October 1964 as a subsidiary of the Construction Industry Association of North Rhine-Westphalia. It originally operated as a research institute and was created with the objective of helping construction companies improve their business processes and economic performance. Today, BWI-Bau combines consulting, professional education, research and industry information services.
The institute provides business consulting for construction companies, including assistance with commercial management, construction controlling, project economics and organizational issues. Its education division offers seminars, webinars, certificate programs, university-level courses, distance-learning programs, management events and specialized training for construction-industry professionals.
The link will be added soon.

Sources

Victim sitebwi-bau.de
Leak posthttp://safepaypfxntwixwjrlcscft433ggemlhgkkdupi2ynhtcmvdgubmoyd.onion/blog/post/bwi-baude/

Source

Indexed 12 hours ago

This page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.

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Disclosure context

About safepay

The Safepay ransomware group is a newly emerged threat actor first observed in November 2024, demonstrating rapid operational scale with 444 documented victims in a short timeframe, indicating financially motivated cybercriminal activity. Due to the group's recent emergence, publicly documented information about their country of origin, affiliations, and operational model remains limited among established threat intelligence sources. Given the recency of their appearance and lack of detailed technical analysis from major security firms, their specific attack methodologies, initial access vectors, and encryption techniques have not been comprehensively documented in public threat intelligence reporting. The group has demonstrated a broad targeting approach across multiple sectors including manufacturing, technology, education, and healthcare, with primary focus on victims in the United States, Germany, Canada, the United Kingdom, and Australia, though no specific high-profile campaigns or notable incidents have been publicly attributed to them by major security vendors or law enforcement agencies. As of the latest available intelligence, Safepay appears to remain active, though comprehensive threat profiling is limited due to the group's recent emergence and the current lack of detailed technical analysis from established cybersecurity research organizations. The group has been linked to 872 public disclosures across our corpus. First observed on a leak site on November 19, 2024; most recent post October 6, 2026. The operation is currently active.

Timeline of this disclosure

October 5, 2026bwi-bau.de listed by safepay on the group's public leak site

Other recent disclosures by safepay

safepay has been linked to 872 public victims on Darkfield. A sample of the most recent:

See the full safepay dossier →

Sector and geography

This disclosure adds to ransomware activity in the Professional Services sector, which has 17 disclosures indexed across all operators we track. Geographically, bwi-bau.de is reported in Germany, a country with 393 ransomware disclosures in our corpus.

If your organisation is affected

A listing by safepay means bwi-bau.de appeared on a ransomware extortion site and data attributed to it has been published. If this is your organisation, or a supplier you depend on, the priority is to confirm the intrusion and contain it before the window to act closes.

Engage your incident-response team and preserve forensic evidence before remediating — do not wipe affected systems first.
Force a password reset and revoke active sessions for exposed accounts; rotate any credentials, API keys or certificates that may have been in the stolen data.
Assess regulatory notification duties (GDPR, NIS2, sector regulators) — many carry a 72-hour reporting clock from awareness.
Report the incident to your national CERT, CERT-Bund (Germany), as required for your jurisdiction.
Monitor for the data appearing on safepay's leak site and across paste and breach channels, and brief downstream partners who may be exposed through you.

How we know this. Darkfield monitors public ransomware leak sites continuously, archiving every new disclosure and the data later released against the victim. Each entry on this page is sourced from the operator's own publication and cross-checked against complementary OSINT feeds (RansomLook, ransomware.live, RansomWatch). We do not collect or host stolen data — only the metadata, timestamps and screenshots needed to make the public disclosure searchable and accountable. Records here are corrected when the original post is edited, retracted, or merged with another disclosure.