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high severity November 10, 2023 · 4 min read Unverified claim — what this is

Mariposa Landscapes, Inc Listed by alphv Ransomware Group

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

Providing expert landscape maintenance, landscape construction and tree care services for commercial, municipal and homeowner associations.

— from Alphv’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.
Mariposa Landscapes, Inc Listed by alphv Ransomware Group

On November 10, 2023, Mariposa Landscapes, Inc. appeared on the leak site operated by the alphv ransomware group. The listing states that the landscaping and tree-care company suffered a ransomware attack in which internal files were exfiltrated. The disclosure does not specify the number of people affected, the exact volume or types of documents taken, or the ransom amount demanded.

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Details from the alphv Listing

The primary disclosure on the alphv leak site indicates that Mariposa Landscapes, Inc. was listed after refusing or failing to meet the group’s extortion demands. It states that attackers gained access to the company’s systems, encrypted data, and removed a yet-undisclosed quantity of internal files. The listing does not detail what categories of information were allegedly stolen—such as customer records, employee payroll files, or contracts—nor does it provide any sample data. Public mirrors of the leak site, including ransomware.live, continue to host the entry as of the initial publication date.

November 10, 2023 marks the first public confirmation of the incident through the threat actor’s own channel. No separate regulatory filing or customer notification from Mariposa Landscapes has surfaced that quantifies impacted records or names the precise systems breached.

Why This Matters for You and Your Family

If you or your family have done business with Mariposa Landscapes—whether as a homeowner, HOA member, or municipal client—your personal information may now sit in an attacker-controlled archive. Even when exact data types remain unknown, ransomware operations of this kind routinely harvest names, addresses, phone numbers, email accounts, payment details, and contracts. Once exfiltrated, that information rarely stays private. It can surface weeks or months later on other criminal marketplaces, exposing you to identity theft, phishing campaigns, or unwanted solicitations.

Ordinary families who simply hired a landscaper for routine yard work now face the same downstream risks that large corporate breaches create. The uncertainty itself creates stress: you cannot easily monitor what you do not know was taken.

Doxxing and Identity-Chain Risks

Exfiltrated internal files frequently contain spreadsheets that link customer names to physical addresses, phone numbers, and email accounts. Threat actors and subsequent buyers can combine these records with usernames discovered elsewhere to build detailed profiles. A single landscaping invoice that lists both an email address and a child’s name can become the starting point for gaming-account takeovers, social-media impersonation, or targeted harassment.

Credential leaks of this nature often cascade. An email address exposed in the Mariposa incident may already be paired with passwords reused from older breaches. Attackers automate the process, testing those combinations against gaming platforms, school portals, and financial apps. The result is an identity chain that stretches from a routine service contract to full account compromise across your household.

Alphv’s Publicly Known Track Record

Public reporting attributes the alphv group, also known as BlackCat, with emerging in late 2021. The gang has since claimed responsibility for attacks against hundreds of organizations across North America, Europe, and Australia. Notable prior victims include large healthcare providers, manufacturing firms, and municipal governments. Their typical playbook begins with initial access gained through compromised remote-desktop credentials or phishing, followed by rapid lateral movement, data exfiltration, and deployment of custom ransomware.

After encryption, alphv operators wait a short period before publishing samples or full datasets on their leak site if payment is not received. They frequently pressure victims by contacting customers, partners, or journalists. The group has rebranded and resurfaced under new domains after law-enforcement actions, demonstrating resilience and continued operation into 2023.

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 with Mariposa Landscapes or related vendor portals, 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 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 often become targets when household data leaks.
  • Let remediation specialists handle takedown requests for any personal records that surface on data-broker or extortion sites.

The Mariposa Landscapes breach illustrates how even everyday service providers can become gateways to personal exposure. Staying ahead requires more than reactive checks; it demands ongoing visibility into how your information 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. One forward-looking decision to secure your digital footprint can prevent tomorrow’s breach from becoming next year’s identity theft.

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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Mariposa Landscapes, Inc is one listing. Your email is probably in others.
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Report details & sourcing

Severity High
Disclosed November 10, 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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