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high severity December 16, 2023 · 3 min read Unverified claim — what this is

Insidesource Listed by 8base Ransomware Group

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

Insidesource is San Francisco and Silicon Valley's leading provider of new and pre-owned office furniture. We hand-pick suppliers to create fresh, affordable, forward-thinking work environments that help spark innovation at companies around the globe. Nominated on the Top 100 Fastest Growing Private Companies insidesource.com

— from 8base’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.
Insidesource Listed by 8base Ransomware Group

On December 16, 2023, office-furniture supplier Insidesource appeared on the leak site operated by the 8base ransomware group. The company, which serves businesses across San Francisco and Silicon Valley, confirmed that internal files had been exfiltrated during a ransomware incident. The listing does not disclose the number of people affected or the precise volume of data taken.

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Reported Details from the Listing

The 8base leak site states that Insidesource suffered a ransomware attack and that attackers successfully exfiltrated internal files. No specific record count is provided, and the disclosure does not list exact data types such as customer names, employee payroll information, or vendor contracts. The notification simply confirms that data was taken and warns that it will be published if demands are not met. Public mirrors of the leak site, including ransomware.live, preserve the original posting date of December 16, 2023.

Why This Matters for You and Your Family

When a regional supplier like Insidesource is breached, anyone who has ever bought furniture, requested a quote, or worked with one of their corporate clients may have personal information exposed. Even if the leak site does not quantify affected records, the exposure of internal files often includes spreadsheets containing names, addresses, phone numbers, and email accounts tied to both business and individual purchasers. For ordinary families, this means your contact details could surface in forums or dark-web markets, increasing the chance of follow-on phishing, identity theft, or unwanted solicitations. Internal files exfiltrated in these incidents frequently contain enough detail to map family members to home addresses, especially when orders were placed for residential delivery.

The Doxxing and Identity-Chain Risk

Exfiltrated internal files create long-term doxxing chains. An email address found in one spreadsheet can be cross-referenced with handles used on review sites, social platforms, or children’s gaming accounts. Attackers routinely combine these fragments to build full identity profiles that include home addresses, phone numbers, and family relationships. Once published on a ransomware leak site, the data spreads quickly to multiple underground marketplaces. This cascading effect turns a single vendor breach into repeated exposure across dozens of platforms. DoxxScan by GalaxyWarden continuously monitors 13.1B+ breach records and 100+ platforms with AI-powered identity-chain mapping that links handles to real identities, while its specialists provide hands-on remediation and household coverage that includes children’s gaming accounts vulnerable to the same credential-stuffing attacks.

8base’s Known Track Record

Public reporting attributes the emergence of 8base to mid-2022. The group rapidly became one of the most active ransomware operations by focusing on small and midsize businesses rather than only large enterprises. Notable prior victims include logistics firms, manufacturers, and professional-services companies. Their typical playbook involves initial access through compromised remote-desktop credentials or vulnerable VPNs, followed by deployment of custom ransomware that exfiltrates data before encryption. 8base then uses a double-extortion model: they threaten both to lock the victim’s systems and to publish stolen files on their leak site. The group maintains a professional-looking portal that lists victims by industry and posts countdown timers, applying steady pressure until payment or public disclosure occurs.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, taking advantage of cleanup handled by Warden specialists.
  • Enable continuous DoxxScan monitoring so the next breach exposing your data is caught in hours rather than months.
  • Rotate any password you used on insidesource.com or related vendor portals anywhere it has been reused, and switch to 2FA through an authenticator app instead of SMS.
  • Cover the entire household with DoxxScan family protection that extends to dependents and children’s gaming accounts that often chain back to the same breached address or email.
  • Let remediation specialists manage takedown requests across data brokers and leak repositories on your behalf.

The Insidesource incident illustrates how quickly a seemingly routine vendor relationship can expose your family’s information to professional extortionists. Staying ahead requires more than reactive checks; it demands ongoing visibility into where your data travels. Start your DoxxScan trial today and place continuous monitoring and specialist remediation between your family and the next leak.

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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Insidesource is one listing. Your email is probably in others.
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Report details & sourcing

Severity High
Disclosed December 16, 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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