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high severity June 30, 2023 · 3 min read Unverified claim — what this is

barts health nhs trust Listed by alphv Ransomware Group

If you were named in this filing, here’s what is being claimed, and what it would mean for you.

World-class clinical services Our group of hospitals provide a huge range of clinical services to people in east London and beyond. Over 2.5 million people look to our services to provide them with the healthcare they need.

— 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.
barts health nhs trust Listed by alphv Ransomware Group

Barts Health NHS Trust was listed on the Alphv ransomware group's leak site on June 30, 2023, claiming that internal files had been exfiltrated during a ransomware attack. The listing affects anyone who has received care at the Trust's hospitals in east London, as well as current and former staff whose personal or employment records may have been among the stolen data. The disclosure does not quantify how many individuals are impacted.

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Reported Details from the Listing

The Alphv leak site entry states that internal files were exfiltrated from Barts Health NHS Trust in a ransomware incident. No specific volume of records or exact data types is detailed beyond the broad description of internal files. The listing does not disclose any ransom demand or negotiation status. Public reporting on Alphv, also known as BlackCat, attributes the initial access in similar cases to phishing, remote desktop protocol exploitation, or stolen credentials. The disclosure indicates the data was obtained through a ransomware deployment that also encrypted systems before exfiltration.

Why This Matters for You and Your Family

If you or any member of your family has been treated at one of Barts Health's hospitals, your medical history, contact details, and possibly NHS number could be in the hands of criminals. Internal files from an NHS Trust routinely contain names, dates of birth, addresses, phone numbers, email addresses, and clinical correspondence. Even without the exact contents being public, the exposure creates immediate risks of identity theft, fraudulent loan applications, and targeted scams that reference your real medical events. Staff records, if included, add employment data and payroll information that can be used to impersonate you at banks or government agencies.

Doxxing and Identity-Chain Risks

Medical data leaks rarely stay isolated. Criminals combine leaked NHS records with other breaches to build detailed profiles that link your real identity to email addresses, phone numbers, and online usernames. These chains enable doxxing attacks, SIM-swapping, and account takeovers across personal and work systems. When gaming accounts belonging to you or your children reuse any of the same passwords or recovery emails, the breach can cascade into harassment or further extortion. The Alphv listing adds another high-value dataset to the underground market where identity profiles are bought and sold for months or years after the initial disclosure.

Alphv Group's Known Track Record

Public reporting attributes the Alphv group, also operating as BlackCat, with emerging in late 2021 after the shutdown of the REvil ransomware operation. The group has targeted healthcare providers, manufacturing firms, and local governments across multiple countries. Notable prior victims include large US hospital networks and European critical infrastructure organisations. Their typical playbook involves stealthy initial access, thorough network reconnaissance, data exfiltration before encryption, and dual extortion: demanding payment to prevent file decryption and to stop publication of stolen data. Alphv frequently posts samples on their leak site and sets short deadlines for victims to respond before releasing larger portions of the data.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup of exposed records.
  • Rotate any password you have used at Barts Health NHS Trust or related NHS services anywhere it is reused, and switch on 2FA using 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 that often chain back to the same addresses and recovery details.
  • Let remediation specialists handle takedown requests across data brokers and extortion sites on your behalf while you focus on securing day-to-day accounts.

The incident underscores that healthcare data breaches continue to surface long after the initial attack, making early detection and active remediation essential. Start your DoxxScan trial today to gain continuous monitoring, AI-powered identity-chain mapping, and hands-on help from specialists who can protect both your identity and your family's, including gaming accounts vulnerable to credential-stuffing attacks that follow 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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barts health nhs trust 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 30, 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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