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high severity April 27, 2025 · 3 min read Unverified claim — what this is

csspv Listed by nightspire Ransomware Group

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

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

csspv Listed by nightspire Ransomware Group

On April 27, 2025, the Czech company csspv appeared on the leak site of the nightspire ransomware group in a listing claiming internal files were exfiltrated during a ransomware attack.

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What's Publicly Reported from Reporting

Public reporting indicates that nightspire listed csspv, a Czech entity, on its dedicated leak page. The group claims to have stolen internal files as part of a ransomware operation. No specific victim count has been disclosed, and the exact volume or sensitivity of the exposed data remains unclear from available reporting. The listing date of April 27, 2025 marks the public confirmation of the incident on the nightspire leak site, which is tracked by ransomware.live.

Available reporting describes the incident as a classic ransomware pattern: initial access, data exfiltration, followed by the threat of public release unless a ransom is paid. No independent verification of the stolen files has been published beyond the group’s own claims.

Why This Matters for You and Your Family

When a company that holds personal information suffers a breach like this, the consequences often reach ordinary people. If you or your family have done business with csspv, had your data processed by them, or share an address or contact details that appear in their records, your information may now sit in the hands of attackers. Internal files frequently contain names, addresses, phone numbers, email accounts, dates of birth, and sometimes financial or insurance details.

Once that data leaves the company’s control, it can be sold, traded, or used to target you directly. For families this means increased risk of identity theft, unexpected loan applications in your name, or phishing emails that reference real details only csspv would know. Children’s records, if included, can be especially damaging because they often stay clean longer and therefore carry higher value on underground markets.

The Doxxing and Identity-Chain Risk

Stolen internal files rarely exist in isolation. A single leaked email or phone number can be correlated with gaming usernames, social-media handles, and family-member accounts. Attackers follow these links to build a complete picture — a process known as identity chaining. What starts as a corporate breach can cascade into doxxing of your home address, children’s online profiles, or linked bank accounts.

Credential leaks from incidents like this frequently appear in later dumps, enabling account takeovers on gaming platforms, email services, and shopping sites. Gaming accounts belonging to you or your children are particularly vulnerable because they often reuse passwords or recovery emails exposed in business breaches. The chain can lead to harassment, swatting, or financial fraud that feels deeply personal.

Nightspire’s Publicly Known Track Record

Public reporting attributes nightspire as a ransomware group that emerged in late 2024. The group has claimed responsibility for attacks on organizations across Europe and North America, with a focus on mid-sized companies in manufacturing, services, and technology sectors. Notable prior victims listed on ransomware-tracking sites include several European firms whose internal documents were published after ransom demands went unmet.

The group’s typical playbook involves gaining initial access through phishing or exploited remote desktop services, exfiltrating sensitive files over several days, then encrypting systems. They later publish samples on their leak site with countdown timers, using the threat of full data release or sale to pressure victims. Public reporting describes their extortion style as aggressive, often combining data leaks with distributed denial-of-service attacks against non-paying targets.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity so you can see exactly what chains back to the csspv breach.
  • Rotate any password you used at csspv or any related service, then 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 exposure of your data is caught in hours, not months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often become targets when corporate credentials surface.
  • Let remediation specialists handle takedown requests across data brokers and leak sites while you focus on securing your own accounts.

The csspv incident shows how quickly corporate ransomware leaks can become personal threats to ordinary families. Taking concrete steps now limits the damage and reduces the chance that this claimed breach becomes the first link in a longer chain of identity abuse. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1B+ breach records and 100+ platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists — including protection for your family and children’s gaming accounts that are frequently caught in these cascades.

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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csspv 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 27, 2025
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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