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high severity May 06, 2026 · 3 min read Unverified claim — what this is

C2O Architects Listed by thegentlemen Ransomware Group

If you are a customer of C2O Architects, here’s what is being claimed, and what it would mean for you.

c2o-architects.be C2O Architects (C2O-Architects bv) is a Belgian architectural and urban planning firm founded on June 29, 2000, headquartered at Nieuwstraat 26, Asse, Flemish Brabant, Belgium. The studio is led by Marnik Dehaen, who also serves as Chairman of the Flemish Council of the Order of Architects, and co-owned by Erna Polspoel. The firm works across a wide range — from small private renovations and residential expansions to large-scale public projects — with a multidisciplinary team that adds value through expertise in architecture, urban desi

— from The Gentlemen’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.
C2O Architects Listed by thegentlemen Ransomware Group

On May 6, 2026, Belgian architectural firm C2O Architects appeared on the leak site of the ransomware group known as thegentlemen. The listing indicates that internal files were exfiltrated during a ransomware attack on the company, which employs architects, urban planners, and support staff whose personal and professional data may now be exposed.

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What's Publicly Reported from Reporting

Public reporting on the ransomware.live portal shows that thegentlemen listed C2O Architects, a firm based at Nieuwstraat 26 in Asse, Flemish Brabant, Belgium. The company, founded on June 29, 2000, specializes in private renovations, residential expansions, and large-scale public projects. No exact victim count has been published, and the precise volume or content of the stolen files remains unclear from available reporting. The listing states that data was both encrypted and exfiltrated, a standard double-extortion tactic.

Why This Matters for You and Your Family

When a company like an architecture studio is breached, the information stolen often includes employee names, email addresses, phone numbers, addresses, and project-related documents that can reveal where people live or work. If you or a family member have ever worked with C2O Architects, supplied services to them, or had your information stored in their client or vendor files, that data could surface in underground forums. Internal files frequently contain contracts, invoices, or correspondence that link personal details to home addresses, making it easier for identity thieves or harassers to target ordinary families.

The Doxxing and Identity-Chain Implications

Stolen internal files rarely stay isolated. A single email address or phone number taken from a company directory can be combined with data from previous breaches to build a complete profile. Public records, social media handles, and even children’s online gaming accounts often link back to the same household address or parent names. Once attackers map these connections, they can move from simple credential theft to full doxxing, account takeovers, or targeted extortion. Credential leaks like this one frequently cascade into gaming platforms, where children’s accounts become entry points for further harassment or social engineering against the family.

thegentlemen’s Publicly Known Track Record

Public reporting attributes thegentlemen with emerging in late 2024 as a ransomware operation that uses double-extortion methods. The group is known for targeting mid-sized businesses across Europe and North America, including professional services firms. Their typical playbook involves initial access through phishing or exploited remote desktop protocols, followed by exfiltration of sensitive files before deploying ransomware. They then pressure victims with deadlines to pay, threatening to publish stolen data on their leak site if demands are not met. Past victims have included companies in construction, engineering, and related fields, according to trackers monitoring ransomware activity.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity so you can see exactly what this claimed breach connects to.
  • Rotate any password you used at C2O Architects or related services and enable 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure of your information is caught in hours, not months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts vulnerable to credential-based takeovers.
  • Let remediation specialists handle data broker takedowns and removal requests on your behalf while you focus on securing your own accounts.

The incident underscores that even companies you interact with professionally can become gateways to personal exposure. One practical step forward is to treat every breach as a prompt to tighten the connections between your online life and your family’s real identities. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Starting that process now can limit the damage from both this leak and those that will inevitably follow.

What the free scan actually returns

Sample resultyou@email.comIllustrative — not a real person

Found on people-search siteswe remove these

These listings are live, public, and legal to remove — and removing them is what we do.

value redacted in this sampleage, relatives, address historySpokeo
value redacted in this samplephone, household, property recordsBeenVerified
value redacted in this sample582 companies checked

Found in breach recordsverifiedreported — unverified

Each record is labeled: confirmed breach data, or an attacker’s claim no one has verified.

verifiedvalue redacted in this samplepassword + phone · 2024telecom breach
unverifiedvalue redacted in this sampleclaimed in ransomware listing · 2026leak-site claim

Leaked data cannot be deleted from the internet — anyone claiming otherwise is lying. Broker listings can be removed. We do the second, and show you exactly what to fix from the first.

Check your exposure
C2O Architects is one listing. Your email is probably in others.
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Report details & sourcing

Severity High
Disclosed May 06, 2026
Last reviewed August 8, 2026
Affected Unconfirmed
Unverified claim — what this report is
This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.
Editorial & sourcing policy
GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.
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