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high severity December 01, 2022 · 3 min read Unverified claim — what this is

Landaumedia Listed by cuba Ransomware Group

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

Landaumedia was listed on the cuba ransomware leak site. The group claims to have stolen internal data.

— from Cuba’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.
Landaumedia Listed by cuba Ransomware Group

On December 1, 2022, advertising and media firm Landaumedia appeared on the leak site operated by the cuba ransomware group. The listing states that the company suffered a ransomware attack in which internal files were exfiltrated. The disclosure does not specify the number of records affected, the exact data types stolen, or any ransom demand.

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Reported Details from the Listing

The cuba leak site entry for Landaumedia states that attackers gained access to the company’s systems, encrypted files, and successfully exfiltrated internal data before publishing a sample on their public portal. The group typically posts proof packages and deadlines for payment on these pages. No victim count or detailed inventory of stolen material is provided in the primary listing, which is common for ransomware groups that withhold full data descriptions until negotiations fail. The incident is therefore listed with an unknown number of affected individuals and internal files as the exposed category.

Why This Matters for You and Your Family

When a company that handles advertising, client contracts, or media projects is breached, the information stolen can easily include names, addresses, email accounts, phone numbers, and financial details tied to campaigns or partnerships. If your data was part of those internal files, it may now be in the hands of criminals who specialize in extortion. Even without exact record counts, the exposure creates immediate risk because ransomware operators like cuba do not limit themselves to corporate targets; they use any personal information found to pressure individuals directly or sell it on underground markets. Your family’s contact details, purchase history, or employment records could surface next in phishing campaigns or identity fraud attempts.

The Doxxing and Identity-Chain Implications

Stolen internal files often contain spreadsheets, customer databases, or employee rosters that link names to emails, phone numbers, and sometimes Social Security numbers or dates of birth. Once criminals possess these connections, they can chain them with data from previous breaches to build complete identity profiles. A single leaked work email can lead to personal accounts, social-media handles, and even children’s gaming usernames that share the same password or recovery phone number. This cascading effect turns one corporate breach into long-term doxxing risk, where attackers publicly post or privately exploit your family’s full digital footprint. Credential leaks like this one cascade into account takeovers across unrelated services, amplifying the danger for households that reuse passwords.

Cuba Ransomware Group Track Record

Public reporting attributes the emergence of the cuba ransomware group to mid-2021. The gang has targeted organizations across North America, Europe, and Latin America, with notable prior victims including healthcare providers, manufacturers, and professional-services firms. Their typical playbook begins with initial access gained through phishing, remote-desktop protocol brute-force attacks, or compromised credentials. After gaining a foothold they move laterally, exfiltrate sensitive files, deploy ransomware encryption, and then list the victim on their leak site with a countdown for payment. If unpaid, they publish increasing volumes of data or offer it for sale to other criminals. The group’s extortion style combines technical encryption with public shaming and selective data leaks designed to maximize pressure on both the company and any individuals whose records appear in the stolen material.

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 used at Landaumedia or related advertising platforms anywhere it has been 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 addresses and recovery details exposed in incidents like this.
  • Let the remediation specialists handle takedown requests across data brokers and extortion portals on your behalf while you focus on securing accounts.

The Landaumedia listing is a reminder that ransomware operators continue to treat stolen personal information as leverage long after the initial corporate attack ends. One practical forward step is to treat every breach as an opportunity to break the identity chains criminals rely on. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, hands-on remediation by specialists, and household coverage that includes children’s gaming accounts. Start your DoxxScan trial today to regain control of what attackers already hold.

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

Severity High
Disclosed December 01, 2022
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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