high severity January 19, 2026 · 3 min read Unverified claim — what this is

Marshall & Stevens Listed by SilentRansomGroup Ransomware Group

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

Marshall & Stevens was established in 1932. The firm has pioneered new concepts to provide realistic c…
— from SilentRansomGroup’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.

Marshall & Stevens Listed by SilentRansomGroup Ransomware Group

On January 19, 2026, valuation and consulting firm Marshall & Stevens appeared on the leak site of the ransomware group SilentRansomGroup. The listing states that internal files were exfiltrated during a ransomware attack on the company, which was founded in 1932 and provides appraisal and advisory services across multiple industries.

Already exposed?

You can’t unleak data. You can take away what it’s worth.

A leaked record is where it starts, not where it ends. What turns it into your front door is the look-up sites publishing your address beside your name — and those are what an AI reads when somebody asks about you. The free scan shows you both. We write to 580 companies.

See what is exposed about you — free scan →

Watch Marshall & Stevens

Get alerted the next time Marshall & Stevens files a breach with any US regulator — the filing, dated and sourced. A free single-company slice of Signals; no account needed.

We’ll email you only about Marshall & Stevens’s future breach filings and how to watch a whole vendor list — not general marketing. Unsubscribe any time.

Watching your whole vendor list (50 to 500 companies, by tier) is GalaxyWarden Signals.

What Public Reporting Shows

Public reporting indicates the firm’s data was posted to the SilentRansomGroup leak portal after the company apparently did not meet the attackers’ demands. Available information shows the exposed material consists of internal files rather than a single customer database. The exact number of individuals whose personal information is contained in those files remains unknown. No confirmed list of specific data types—such as Social Security numbers, client contracts, or employee records—has been independently verified beyond the group’s own claims on its leak site.

Why This Matters for You and Your Family

When a professional services firm like Marshall & Stevens suffers a breach, the ripple effects reach ordinary people. Clients, vendors, employees, and their families can find their names, addresses, financial details, or employment records suddenly available to criminals. Once that information leaves the company’s control, it can be sold, traded, or used to launch targeted attacks against you. Credential leaks from such incidents often cascade into account takeovers on unrelated services where the same email and password were reused. Your family’s exposure is not limited to one company; it spreads wherever data overlaps with other accounts you or your children maintain.

The Doxxing and Identity-Chain Risk

Stolen internal files frequently contain more than names and numbers. They can include email addresses, phone numbers, dates of birth, and references to family members or dependents. Attackers combine these fragments with information from earlier breaches to build detailed identity chains. A single leaked work email can link to your personal social-media handles, your child’s gaming username, and your home address. This chain makes doxxing and harassment far easier. Public reporting on similar incidents shows that gaming accounts belonging to children are regularly compromised once a parent’s credentials surface, leading to further leaks of chat logs, friend lists, and location data.

You’ve used today’s 5 free articles · resets tomorrow

Create a free account to keep reading

The rest of this article comes straight back — free, no card, nothing you’ve already read goes away. Then see whether your own data is exposed too: the scan on this site is free with or without an account, and the account is what keeps the result after the emailed link expires.

Free reader account

No card, no charge. You read the blog without a limit — every article, no daily count — and it saves your exposure-scan results so you can open them again after the emailed link expires. We won’t email you anything else unless you tick the box asking us to. The next step shows what the paid plans add — free stays the first option on it.

Create a free account →

Free accounts are for personal use. If you’re reading for a company, that’s Signals (terms).

Reading this for a company?

GalaxyWarden Signals watches the organisations you name and emails you when one of them actually discloses — SEC 8-K Item 1.05 filings and corroborated breach records, with a JSON API. It monitors companies, not people: it does not scan you and does not remove your personal data.

See GalaxyWarden Signals →

Or make a free reader account first

Already have an account? Log in

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 sample580 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.

Report details & sourcing

Attributed to SilentRansomGroup · 158 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed January 19, 2026

Last reviewed August 8, 2026

Affected Unconfirmed

By GalaxyWarden Threat Research · Editorial & sourcing standards

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.

Threat-actor tracker

SilentRansomGroup — 158 incidents tracked

Every breach we've attributed to SilentRansomGroup, in one running log. See who else they've hit →

Related breaches

high October 01, 2026