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high severity June 19, 2024 · 4 min read Unverified claim — what this is

chubb-bulleid.co.uk Listed by cactus Ransomware Group

If you are a customer of chubb-bulleid.co.uk, here’s what is being claimed, and what it would mean for you.

Download link #1:  https://***************.onion/CBS/PROOF/Mirror: https://cactus5dqnqkppa5ayckiyk6dttpqwczdqphv5mxh4dkk5ct544q5aad.onion/CBS/PROOF/DATA DESCRIPTIONS: Personal identifiable information, customer confidential information, litigation documents, corporate confidential data, NDA, contracts, employees and executives personal files, financial documents\statements, 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.
chubb-bulleid.co.uk Listed by cactus Ransomware Group

On June 19, 2024, the UK law firm Chubb Bulleid appeared on the leak site of the Cactus ransomware group, confirming that internal files had been exfiltrated during a ransomware attack. The listing includes a direct onion link to proof files and states that the stolen material contains personal identifiable information, customer confidential information, litigation documents, corporate confidential data, NDAs, contracts, employees’ and executives’ personal files, financial documents, and corporate correspondence. The number of affected individuals remains unknown, as neither the leak site nor any subsequent company notification has quantified the breach.

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Reported Details from the Listing

The Cactus leak site entry explicitly lists chubb-bulleid.co.uk and provides two download links for proof material. The data description supplied by the attackers enumerates multiple categories: personal identifiable information, customer confidential records, litigation files, NDAs, contracts, employee and executive personal documents, financial statements, and internal correspondence. The disclosure does not state how the initial access was gained, the exact volume of data taken, or the ransom demand. It simply states that exfiltration occurred and that the files are now published for anyone to download from the onion site.

Why This Matters for You and Your Family

When a law firm’s internal systems are breached, the people whose data sits in those files face direct exposure. If you were a client of Chubb Bulleid, your personal details, financial records, or litigation history may now be circulating on dark-web forums. Even if you were never a client, employees’ personal files are also included, meaning current or former staff and their families could see addresses, phone numbers, dates of birth, and other identity data leaked. Once this material spreads beyond the initial leak site, it becomes impossible to track every copy. The June 19, 2024 publication date marks the moment the clock started for identity thieves and fraudsters who routinely scan new ransomware dumps.

Doxxing and Identity-Chain Risks

Ransomware leaks like this rarely stop at one dataset. The exposed files often contain email addresses, phone numbers, and internal usernames that link together with data from previous breaches. Attackers chain these fragments: an email from the Chubb Bulleid dump combined with a reused password from an earlier breach can unlock online accounts, gaming profiles, or social-media handles. Children’s gaming accounts are especially vulnerable because parents frequently reuse credentials across work-related services and family entertainment platforms. A single litigation document that lists home addresses can accelerate physical doxxing once the digital breadcrumbs are assembled. The result is a widening identity chain that can lead to account takeovers, targeted phishing, or even swatting attempts months after the original leak.

Cactus Ransomware Group Track Record

Public reporting attributes the emergence of Cactus to late 2023. The group has since hit a range of mid-sized organizations across Europe and North America, focusing on professional-services firms, manufacturers, and healthcare providers. Their typical playbook begins with phishing or exploitation of remote-desktop services for initial access, followed by deployment of custom ransomware that exfiltrates data before encryption. After encryption they wait a short period and then publish samples on their leak site if the victim does not pay. The Cactus operators maintain a relatively low public profile compared with larger ransomware brands, yet their leak site has grown steadily, listing new victims every few weeks. They emphasize “proof” packages that include sample documents designed to pressure organizations into negotiation.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours rather than months.
  • Rotate any password you ever used at chubb-bulleid.co.uk or related domains, then enable 2FA through an authenticator app on every account where that password was reused.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts, which often chain back to the same leaked addresses and credentials.
  • Let remediation specialists manage takedown requests across data-broker sites and forums where the Chubb Bulleid files are being resold or discussed.

The publication of Chubb Bulleid’s internal files on the Cactus leak site is a concrete reminder that professional-services data breaches quickly become personal for everyone named inside the documents. Acting promptly on credential hygiene and identity mapping can limit how far those chains extend. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and more than 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that includes children’s gaming accounts vulnerable to cascading takeovers.

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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chubb-bulleid.co.uk 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 June 19, 2024
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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