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high severity April 11, 2023 · 3 min read Unverified claim — what this is

cezam.net Listed by lockbit3 Ransomware Group

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

cezam.net was listed on LockBit's leak site. LockBit claims to have stolen internal data. This is the group's claim, not a confirmed finding.

cezam.net Listed by lockbit3 Ransomware Group

On April 11, 2023, Belgian carpentry manufacturer Cezam SA appeared on the LockBit 3.0 ransomware leak site. The listing states that internal files were exfiltrated during a ransomware attack on the company, which produces aluminum and PVC doors and windows. The disclosure does not specify the number of records affected or list the exact data types contained in the stolen files.

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Details from the Leak Site

The LockBit 3.0 leak page for Cezam states that the company suffered a ransomware intrusion and that attackers successfully removed internal files before encryption. No victim count is published, and the listing does not detail what categories of information were taken. The disclosure indicates a deadline was set for Cezam to negotiate or face full publication of the exfiltrated material. Public mirrors of the onion-site posting, such as those aggregated on ransomware.live, preserve these core claims without adding unverified specifics.

April 11, 2023 marks the first public confirmation of the incident through the threat actor’s own leak platform.

Why This Matters for You and Your Family

When a manufacturer like Cezam is breached, customer orders, supplier contracts, employee payroll records, and correspondence can be exposed. Even though the exact contents remain undisclosed, any personal information tied to purchases, warranties, or employment at the company is now at risk of being traded or published. For ordinary customers or staff, this translates into heightened chances of identity theft, phishing campaigns crafted from stolen correspondence, and unwanted exposure of home addresses linked to delivered building products.

Your family’s data does not need to be the primary target for it to surface in follow-on crimes. A single leaked invoice containing names, addresses, and phone numbers is enough to fuel account takeover attempts or fraudulent loan applications.

Doxxing and Identity-Chain Risks

Exfiltrated internal files often contain spreadsheets that link customer identities to email addresses, phone numbers, and delivery locations. Attackers and subsequent buyers can combine these details with credential leaks from other breaches to build complete identity chains. Once a home address is paired with an email address used for online shopping or children’s gaming accounts, doxxing escalates quickly. Public records, social-media handles, and family photos become easier to correlate, increasing risks of stalking, swatting, or targeted social-engineering attacks against you or your children.

Credential reuse across personal and professional accounts makes these incidents particularly dangerous; a password found in one Cezam-related file can unlock email, banking, or gaming logins elsewhere.

LockBit 3.0 Track Record

Public reporting attributes LockBit 3.0 as the latest iteration of a ransomware operation that first appeared in 2019 under the original LockBit name. The group has targeted organizations across manufacturing, healthcare, education, and local government, routinely exfiltrating data before deploying encryption. Their standard playbook involves initial access through compromised remote desktop credentials or vulnerable web applications, followed by lateral movement, data theft, and dual extortion—demanding payment both to prevent publication and to receive a decryptor. LockBit 3.0 continues to recruit affiliates and operates a leak site that publishes non-paying victims on a predictable schedule.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then use the cleanup of Warden to remove what you can.
  • Rotate any password you ever used at Cezam or related supplier portals anywhere it is reused, and switch on 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure that touches you or your family is caught in hours, not months.
  • Cover the household with DoxxScan family coverage that extends to dependents and children’s gaming accounts, which frequently chain back to the same address or parent email.
  • Let remediation specialists handle takedown requests across data brokers and extortion sites for you while you focus on securing day-to-day accounts.

The Cezam listing is a reminder that ransomware groups continue to target everyday businesses that handle personal information. Staying ahead requires more than reactive checks; it demands ongoing visibility into how your data travels. DoxxScan by GalaxyWarden delivers that visibility through continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and full household coverage that includes children’s gaming accounts. Source: LockBit 3.0 leak site posting (via ransomware.live).

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.

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cezam.net is one listing. Your email is probably in others.
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Report details & sourcing

Severity High
Disclosed April 11, 2023
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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