high severity November 28, 2023 · 3 min read Unverified claim — what this is

Incisive Media Listed by 8Base Ransomware Group

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

Award-winning B2B services including B2B media, B2B events, B2B conferences specialising in Financial Services and Enterprise Technology incisivemedia.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.

Incisive Media Listed by 8Base Ransomware Group

On November 28, 2023, business information provider Incisive Media appeared on the leak site operated by the 8base ransomware group. The listing states that internal files were exfiltrated during a ransomware attack against the company, whose B2B media, events, and conference services focus on financial services and enterprise technology. Anyone whose personal or professional data touched Incisive Media’s systems may now be at risk.

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Reported Details from the Listing

The 8base leak-site entry, still accessible via its onion address as of the disclosure date, claims that internal files were exfiltrated after the group deployed ransomware against Incisive Media. The posting does not quantify the number of records affected, list specific data types beyond “internal files,” or disclose the ransom demand. It simply marks the company as compromised and provides a sample of the allegedly stolen material. No separate breach notification from Incisive Media had surfaced publicly at the time the listing went live.

Why This Matters for You and Your Family

When a company that handles business contacts, event registrations, subscriber lists, or vendor records is breached, the information often includes names, work emails, phone numbers, job titles, and sometimes personal details of attendees or customers. If you or any member of your family has attended one of Incisive Media’s financial-services or technology conferences, subscribed to one of their publications, or appeared in their databases, your information could be among the exfiltrated files. Even basic contact data becomes valuable when bundled with details that reveal where you work, what you earn, or what events you attend.

November 28, 2023 marks the moment this data set moved from a private extortion attempt into public view. Once posted on a ransomware leak site, the material is freely downloadable by anyone — including identity thieves, stalkers, and fraudsters who automate searches across these repositories.

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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 8base · 448 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed November 28, 2023

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

8base — 448 incidents tracked

Every breach we've attributed to 8base, in one running log. See who else they've hit →

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