Skip to content
Back to Blog
high severity October 17, 2024 · 3 min read Unverified claim — what this is

appen.com Listed by apt73 Ransomware Group

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

Registered user base of the appen.com platform (AI training company). 5 887 922 lines email addresses, employers, IP addresses, names, passwords,...

— from Apt73’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.
appen.com Listed by apt73 Ransomware Group

On October 17, 2024, the AI training company Appen.com appeared on the leak site operated by the ransomware group apt73. The listing states that internal files were exfiltrated during a ransomware attack and claims the exposure includes data tied to the platform’s registered user base. The disclosure does not quantify the exact number of affected individuals, though the posted sample contains 5,887,922 lines that include email addresses, names, employers, IP addresses, and passwords.

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 582 companies.
See what is exposed about you — free scan →
Not ready yet? Run a free breach check on this email
We’ll check it against 13.1B+ leaked records right now — no account needed. Continuous monitoring & alerts are part of Protection.

Reported Details from the Listing

The apt73 leak site entry, accessible via the ransomware.live mirror at the provided onion address, explicitly lists Appen as a victim and states that internal files were exfiltrated. It describes the target as an AI training platform and notes that the data set contains records linked to its registered users. The posting does not specify the precise volume of unique individuals impacted, nor does it detail every file type taken. Public mirrors of the leak site state the sample data includes email addresses, employer information, IP addresses, names, and passwords. No ransom demand figure or negotiation status is shown in the current listing.

Why This Matters for You and Your Family

If you or anyone in your household has ever created an account on Appen.com to perform AI training tasks, your personal details may now sit in an attacker-controlled archive. Passwords exposed in the breach create immediate risk if you reuse them anywhere else. Employer information and IP addresses can help attackers link your online activity to your real-world identity or workplace. Because Appen serves a global pool of contributors, the incident potentially touches freelancers, students, and part-time workers who may not think of themselves as typical breach victims. Your family members who share devices or email domains could also find themselves pulled into downstream risks.

Doxxing and Identity-Chain Implications

Credential leaks of this nature rarely remain isolated. An attacker who obtains your Appen email and password can test those same credentials across gaming platforms, social media, financial apps, and cloud storage. Once one account falls, the attacker can harvest additional details—friends lists, payment methods, or geolocation data—that further map your digital footprint. Children’s gaming accounts are especially vulnerable because they frequently reuse household email addresses or passwords. The combination of names, IP addresses, and employer data accelerates doxxing by allowing adversaries to cross-reference public records and build a complete identity profile. These identity chains can persist for years and surface in future extortion attempts or identity theft campaigns.

apt73’s Known Track Record

Public reporting attributes the emergence of apt73 to mid-2024. The group has focused primarily on organizations with large user databases, including platforms in technology, education, and data services. Prior victims listed on their leak site and mirrored by ransomware trackers show a pattern of initial access through compromised credentials or unpatched web applications, followed by exfiltration of internal directories and customer records. Their typical playbook involves publishing a sample of stolen data, then threatening full release unless payment is made. The group’s listings often emphasize the volume of email addresses and passwords obtained, consistent with the Appen posting. While exact tactics can vary, public reporting indicates apt73 relies on double-extortion methods common to many ransomware operations: data theft paired with the threat of public disclosure.

What to do

  • Run a DoxxScan to map every link between your handles, emails, phone numbers, and real identity, with cleanup handled by specialists.
  • Rotate the password used on Appen.com anywhere it is reused and immediately enable 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 that often chain back to the same credentials or address.
  • Let remediation specialists perform hands-on takedown requests across data brokers and leak repositories on your behalf.

The Appen breach underscores how quickly data from seemingly specialized platforms can reach criminal networks and fuel broader identity compromise. Staying ahead requires more than one-time checks. DoxxScan by GalaxyWarden delivers continuous monitoring across 13.1 billion+ breach records and over 100 platforms, AI-powered identity-chain mapping, and hands-on remediation by specialists, with household coverage that includes children’s gaming accounts. Source: apt73 leak site via ransomware.live

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.

Check your exposure
appen.com is one listing. Your email is probably in others.
We can’t confirm any single incident against the sources we search, so we won’t pretend to. What we can show you is your own exposure — your email against 13.1B+ leaked records and the sites that publish your address. About 15 seconds. No account, no card.

By running your scan you agree to the Terms and Conditions and the Privacy Policy, and to GalaxyWarden emailing you the results of this scan.

Report details & sourcing

Severity High
Disclosed October 17, 2024
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.
Share this Post on X Reddit Email