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high severity April 13, 2026 · 4 min read Unverified claim — what this is

K Subsea Group Listed by everest Ransomware Group

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

K Subsea Group was listed on Everest's leak site. Everest claims to have stolen internal data. This is the group's claim, not a confirmed finding.

K Subsea Group Listed by everest Ransomware Group

On April 13, 2026, Singapore-based offshore energy services provider K Subsea Group appeared on the leak site of the Everest ransomware group. The company, which employs more than 800 staff across Southeast Asia, is claimed to have had internal files exfiltrated after a ransomware attack. Public reporting indicates that customer records, employee information, and operational documents may have been taken, although the precise number of people affected remains unknown.

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Reported Details of the Breach

Available reporting describes the incident as a classic ransomware operation in which attackers first gained access, encrypted systems, and then exfiltrated data before demanding payment. The Everest group published proof of the breach on its dark-web leak site on April 13, 2026. K Subsea has not yet issued a public statement confirming the scope, but the presence of the company’s name on the leak site is treated as credible by multiple ransomware-tracking services.

Internal files were the primary material exfiltrated. Because K Subsea provides integrated subsea solutions to the energy sector, these files likely contain contracts, employee details, vendor information, and possibly personal data belonging to both staff and clients. No evidence has surfaced that payment was made or that the data was subsequently removed from the leak site.

Why This Matters for You and Your Family

Even when a breach hits a company rather than a consumer app, ordinary families feel the impact. If you or a family member works at K Subsea, had business with the firm, or appears in any vendor or partner records, your personal information may now sit in a ransomware data dump. Names, addresses, phone numbers, email accounts, and employment details are common contents of such leaks. Once posted, that information rarely disappears.

Credential leaks from corporate environments frequently cascade into personal account takeovers. A password reused between work systems and home email, banking, or social media can give attackers a direct path to your family’s digital life. Children’s gaming accounts linked to a parent’s email are especially vulnerable because gaming platforms often hold payment methods and chat histories that fuel further harassment or identity theft.

The Doxxing and Identity-Chain Risk

Ransomware groups rarely stop at posting raw files. They or opportunistic criminals scrape the data for doxxing packages that link email addresses, phone numbers, usernames, and real-world identities. These chains allow attackers to move from one platform to another, turning a single breach into long-term exposure across social media, gaming services, and data-broker sites. Public reporting shows that information stolen in corporate ransomware incidents regularly resurfaces months later in doxxing marketplaces.

Credential reuse and linked accounts create the fastest path from corporate leak to personal harm. A single exposed work email can reveal your child’s Roblox or Fortnite username if the same address was used to register those accounts. Once the connection is mapped, targeted harassment or account takeovers become straightforward.

Everest Ransomware Group Track Record

Public reporting attributes the attack to the Everest ransomware group, which first appeared in 2020. The gang has targeted hospitals, manufacturers, logistics firms, and energy-related companies in multiple countries. Its typical playbook involves initial access through phishing or exploited remote desktop services, followed by lateral movement inside the network, data exfiltration, and then dual extortion: demanding ransom to decrypt systems and a second payment to prevent publication of stolen files. Everest consistently maintains a leak site where it posts samples of stolen data when victims do not pay.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, then complete the cleanup of exposed records.
  • Rotate any password you used at K Subsea anywhere else it appears, and immediately enable two-factor authentication through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next leak exposing you or your family is caught in hours, not months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts often chained to the same addresses and emails.
  • Let remediation specialists handle takedown requests across data brokers and leak sites so you do not have to negotiate directly with operators.

The pace of ransomware leaks shows no sign of slowing, which means families must treat every corporate breach as a potential personal exposure. Starting with a clear picture of where your information already appears online gives you the best chance of limiting damage before criminals connect the dots. DoxxScan by GalaxyWarden delivers that visibility through continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists who also protect children’s gaming accounts that often become the weakest link in household security.

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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K Subsea Group is one listing. Your email is probably in others.
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Report details & sourcing

Severity High the filing does not enumerate what was exposed
Disclosed April 13, 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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