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high severity September 25, 2023 · 4 min read Unverified claim — what this is

sky-light.com Listed by cactus Ransomware Group

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

Download link #1: https://***************.onion/SKY-LIGHT/PROOF/Mirror: https://cactus5dqnqkppa5ayckiyk6dttpqwczdqphv5mxh4dkk5ct544q5aad.onion/SKY-LIGHT/PROOF/DATA DESCRIPTIONS: Personal identifiable information, corporate agreements, projects, financial documents, employees and executives personal files, corporate correspondence, etc.

— from Cactus’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.
sky-light.com Listed by cactus Ransomware Group

On September 25, 2023, the ransomware group known as Cactus added sky-light.com to its public leak site, claiming that internal files had been exfiltrated from the company during a ransomware attack. The listing states that the data includes personal identifiable information, corporate agreements, projects, financial documents, employees and executives personal files, and corporate correspondence. The number of people affected remains unknown, as neither the leak-site posting nor any subsequent company notification has quantified the records involved.

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Details from the Leak Site

The primary disclosure on the Cactus leak site lists sky-light.com as a victim and provides direct links to proof files hosted on both a clearnet mirror and the group’s onion domain. The description explicitly names the categories of stolen material: personal identifiable information, corporate agreements, project documentation, financial records, employee and executive personal files, and internal correspondence. The posting does not specify the volume of data taken or the exact systems compromised, only that the files were allegedly exfiltrated prior to encryption. As of the listing date, the group had not publicly released the full archive but signaled its intent to do so if demands were not met.

Why This Matters for You and Your Family

When a company that handles contracts, payments, or employment records is breached, the information stolen often includes details that belong to ordinary customers, vendors, and staff. If your name, address, Social Security number, or financial information appears in sky-light.com’s systems, it is now at risk of public release. Employees and executives personal files can contain scanned IDs, tax forms, or family contact lists that expose not only you but also your spouse and children. Corporate correspondence may reveal travel plans, children’s school schedules, or other lifestyle details that make targeted fraud or harassment easier. The uncertainty around the exact number of records affected means anyone connected to the company must treat their data as compromised until proven otherwise.

The Doxxing and Identity-Chain Risk

Ransomware leaks like this one rarely stop at a single dataset. Once personal identifiable information and internal files appear on a dark-web leak site, other criminals quickly scrape them and cross-reference them with earlier breaches. An email address found here can be linked to gaming accounts, social-media handles, or old shopping-site passwords, creating a chain that leads to full identity exposure. Public reporting on similar incidents shows that children’s gaming accounts are frequently targeted next because parental credentials reused across family devices provide an easy entry point. The combination of corporate documents and personal files increases the chance that a single leak cascades into doxxing that reveals home addresses, phone numbers, and family relationships.

Cactus Ransomware Group Track Record

Public reporting attributes the emergence of Cactus to early 2023. The group has since claimed responsibility for attacks on organizations across North America and Europe, typically listing victims on its dedicated leak site when ransom negotiations stall. Its playbook follows a now-familiar pattern: initial access often gained through compromised remote-desktop credentials or phishing, followed by exfiltration of sensitive files before any encryption occurs. The extortion style combines data-theft pressure with the threat of full public release, sometimes supplemented by direct contact to company executives or partners. While Cactus is not among the longest-running ransomware operations, its steady stream of victims and consistent use of leak sites place it firmly in the current wave of double-extortion actors.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, including any data that may have surfaced from sky-light.com.
  • Rotate passwords used at sky-light.com or any related corporate systems anywhere they are reused, and switch to 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure 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-stuffing attacks.
  • Let remediation specialists handle takedown requests for any personal files or documents already circulating on forums or broker sites.

The sky-light.com breach is a reminder that corporate ransomware incidents quickly become personal when employee and customer records are involved. Acting quickly on the credentials and documents already exposed can limit how far the chain extends. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping that connects scattered handles to real identities, and hands-on remediation by specialists who manage takedowns for you and your entire household, including children’s gaming accounts that often become the next target after leaks like this one.

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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sky-light.com is one listing. Your email is probably in others.
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Report details & sourcing

Severity High
Disclosed September 25, 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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