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high severity July 26, 2023 · 4 min read Unverified claim — what this is

INFORMA.COM Listed by clop Ransomware Group

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

Informa.Com was listed on Clop's leak site. Clop claims to have stolen internal data. This is the group's claim, not a confirmed finding.

INFORMA.COM Listed by clop Ransomware Group

On July 26, 2023, the ransomware group known as Clop added informa.com to its public leak site, claiming that it had exfiltrated internal files during a ransomware attack on the global information-services company Informa.

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Primary Disclosure Details

The Clop leak-site listing states that internal files were taken from Informa and warns that the data will be published if a ransom is not paid. The disclosure does not quantify how many records are involved, list specific data types beyond “internal files,” or name any individual customers or employees whose information was taken. The notification simply confirms that a successful ransomware deployment led to exfiltration of company data. Public copies of the listing, hosted on infrastructure tracked by ransomware.live, remain the sole primary source; no separate regulatory filing or customer notification letter has surfaced that adds further specifics.

July 26, 2023 marks the date the listing first appeared, and the group’s typical countdown clock for publication was active at the time the page went live.

Why This Matters for You and Your Family

When a company the size of Informa suffers a breach, ordinary customers, conference attendees, authors, advertisers, and employees can find their personal details caught in the net. Even though the exact data set remains undisclosed, internal files commonly include spreadsheets of contact information, contracts, payment records, and employee directories. If your name, email, phone number, or address appears in any of those files, it may now be in the hands of professional extortionists. That exposure does not vanish when the news cycle moves on; it sits on dark-web forums and leak sites where identity thieves, stalkers, and fraudsters shop for fresh leads.

Internal files exfiltrated means the breach is not limited to a single database. One compromised spreadsheet can link your work email to your home address, your children’s school details, or travel itineraries. For families this creates overlapping risk: a parent’s professional data can expose a child’s name, age, and location when gaming usernames or family photos are stored alongside business contacts.

Doxxing and Identity-Chain Implications

Ransomware operators like Clop rarely stop at posting generic “we breached them” notices. They frequently release sample archives that contain enough real data to prove access, which then circulate on multiple platforms. Those samples become seeds for doxxing chains: an email address from the Informa files can be cross-referenced with credential-stuffing results, social-media handles, and public records. Within weeks the original breach can produce a detailed profile that includes phone numbers, family relationships, and account logins.

Credential leaks of this nature routinely cascade into gaming-account takeovers. Children’s Roblox, Fortnite, or Steam accounts that reuse an email or password tied to a parent’s professional account become easy secondary targets. Once an attacker controls a child’s gaming profile they can harvest chat logs, friend lists, and linked phone numbers, lengthening the identity chain and increasing the chance of real-world harassment or financial fraud.

Clop’s Publicly Known Track Record

Public reporting attributes the first major activity of Clop (sometimes stylized CL0P) to 2019, when the group began deploying ransomware built on the leaked BitPaymer code. The actors gained notoriety in 2021–2022 after exploiting a zero-day vulnerability in the GoAnywhere file-transfer product, leading to breaches at hundreds of organizations including several large banks and healthcare providers. Their playbook is consistent: gain initial access through phishing, remote-desktop compromise, or vulnerable file-transfer software; exfiltrate data before encrypting systems; then run a dual-extortion campaign that threatens both data publication and system downtime. Clop operators have repeatedly demonstrated willingness to publish sensitive files when victims refuse payment, and they maintain a professional-looking leak site that updates on a near-weekly basis.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by the service.
  • Rotate any password you used on informa.com or related Informa services anywhere it has been reused, and switch to 2FA through an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next exposure surfaces in hours instead of months.
  • Cover the household with DoxxScan family protection that extends to dependents and children’s gaming accounts which often chain back to the same addresses and credentials.
  • Let remediation specialists manage takedown requests for any exposed personal documents or broker listings that surface from this or linked incidents.

The Informa listing is a reminder that even large, established companies can lose control of internal data with direct consequences for the individuals whose information travels with it. A single breach can feed months of downstream identity abuse if nothing is done. Starting with DoxxScan’s continuous monitoring, identity-chain mapping, and hands-on specialist remediation gives you and your family a practical layer of defense that keeps pace with attackers who never stop collecting fresh leaks.

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 July 26, 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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