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high severity November 27, 2023 · 4 min read Unverified claim — what this is

sillslegal Listed by alphv Ransomware Group

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

If you require assistance with a residential property transaction then Sills & Betteridge Solicitors are the firm to contact. We are one of the region’s largest law firms with Conveyancing teams across our office network in Lincolnshire, Yorkshire and the East Midlands. Each of the teams comprises highly trained and experienced property solicitors and lawyers. From our offices in Lincoln, Nottingham, Boston, Sleaford, Gainsborough, Scunthorpe, Doncaster, Sheffield, Thorne, Howden, Wath Upon Dearne, Bawtry, Grimsby, Northampton, Skegness and Spilsby the teams are able to offer legal advice in

— 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.
sillslegal Listed by alphv Ransomware Group

On November 27, 2023, Sills & Betteridge Solicitors appeared on the leak site operated by the Alphv ransomware group. The firm, which specialises in residential property transactions and operates offices across Lincolnshire, Yorkshire and the East Midlands, is claimed to have had internal files exfiltrated during a ransomware attack. The listing does not specify the number of people affected or the exact volume or types of documents taken.

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Details in the Leak-Site Listing

The Alphv leak site states that Sills & Betteridge suffered a ransomware intrusion and that attackers successfully exfiltrated internal files. No sample data is publicly shown, and the disclosure does not quantify affected records or name the specific systems compromised. The entry carries a high-severity label and remains active on the extortion portal. Public mirrors of the listing, such as those aggregated on ransomware.live, state the initial publication date as 27 November 2023.

Why This Matters for You and Your Family

If you have bought or sold a house in Lincolnshire, Yorkshire or the East Midlands in recent years, your personal data may sit inside the stolen files. Conveyancing matters routinely contain full names, dates of birth, current and previous addresses, phone numbers, email addresses, bank details, mortgage information, proof of funds, identification documents and solicitor correspondence. When this volume of sensitive material leaves a law firm’s network, the exposure extends beyond the client to every family member named on title deeds, every guarantor, and every party to the transaction.

Residential property files are especially valuable to identity thieves because they tie real-world addresses to financial histories in a single package. A single leaked conveyancing folder can supply everything needed to impersonate you when opening accounts, applying for credit, or filing fraudulent tax returns.

The Doxxing and Identity-Chain Risk

Stolen legal files rarely stay isolated. Attackers or downstream criminals combine them with other leaks to build persistent identity chains that link your email address, phone number, home address, family names and online handles. Once mapped, these chains fuel account takeovers, SIM-swapping attempts, and targeted phishing that feels personal because it references your actual property transaction. Gaming accounts belonging to you or your children are frequently the next domino; a reused password taken from the solicitor’s files can hand over an entire digital life. The longer the data circulates on dark-web markets, the harder it becomes to contain the downstream harm.

Alphv’s Publicly Known Track Record

Public reporting attributes the Alphv group, also known as BlackCat, with emerging in late 2021. The gang has claimed responsibility for attacks on hundreds of organisations worldwide, including large healthcare providers, manufacturing firms and professional-services businesses. Their typical playbook begins with initial access gained through phishing, compromised remote-desktop credentials or exploited vulnerabilities, followed by rapid lateral movement, data exfiltration and deployment of custom ransomware. Alphv routinely double-extorts victims by threatening both encryption and public release of stolen documents, often setting short deadlines and increasing pressure through countdown timers on their leak site. The group frequently rebrands or spins off new sites, yet the core tactics have remained consistent across multiple iterations.

What to do

  • Rotate every password you used at Sills & Betteridge or any related conveyancing portal, and enable 2FA through an authenticator app rather than SMS.
  • Run a DoxxScan to map every link between your handles, emails, phone numbers and real-world 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 instead of months.
  • Cover the entire household with DoxxScan family protection that extends to dependents and children’s gaming accounts that can chain back to the same leaked address details.
  • Let remediation specialists manage data-broker takedown requests and ongoing exposure control on your behalf.

The incident underscores that even regional law firms handling everyday property deals can become gateways to long-term identity compromise. Starting with a clear picture of what has already leaked gives you the best chance of limiting further damage. 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 full household coverage that includes children’s gaming accounts vulnerable to credential-based 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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Report details & sourcing

Severity High
Disclosed November 27, 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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