Skip to content
Back to Blog
high severity June 03, 2025 · 3 min read Unverified claim — what this is

upstartpower.com Listed by qilin Ransomware Group

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

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

upstartpower.com Listed by qilin Ransomware Group

On June 3, 2025, the ransomware group Qilin added upstartpower.com to its leak site and announced that all of the company’s exfiltrated internal files will become available for public download on 23 June 2025.

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.

What's Publicly Reported from Reporting

Public reporting indicates that Qilin claims to have stolen internal documents during a ransomware attack on Upstart Power, a company founded in 2018 that designs and manufactures solid oxide fuel cell generators. The exact number of people whose information is contained in the files remains unknown. Available reporting describes the data as internal files that the attackers exfiltrated before encrypting systems. The group has set a firm publication deadline of 23 June 2025, after which the archive is expected to be freely downloadable from the Qilin leak portal.

Why This Matters for You and Your Family

When a company’s internal files are dumped online, the information inside often includes spreadsheets with customer names, email addresses, phone numbers, addresses, payment details, or employee records. If you or anyone in your household has ever interacted with Upstart Power — as a customer, vendor, job applicant, or through a partner company — your personal details could be exposed. Once that data reaches public forums, it rarely stays contained. Identity thieves, scammers, and harassers routinely scan fresh ransomware leaks for fresh leads. For families this can mean sudden spikes in phishing texts, fraudulent loan applications in a child’s name, or unwanted attention tied to your home address.

The Doxxing and Identity-Chain Risk

A single leaked email or phone number rarely stops there. Attackers and opportunistic criminals link it to usernames, gaming handles, social-media accounts, and family relationships. This creates an identity chain that can expose far more than the original breach suggested. Credential leaks like this one frequently cascade into account takeovers on email, banking, or gaming platforms. Children’s gaming accounts are especially vulnerable because kids often reuse simple passwords or email addresses tied to family domains. Public reporting shows that doxxing campaigns accelerate once the initial dataset appears on leak sites, turning one company breach into months of harassment for affected households.

Qilin’s Publicly Known Track Record

Public reporting attributes the Qilin ransomware group with emerging in 2022. The group has targeted organizations across multiple sectors, with notable prior victims including healthcare providers, manufacturers, and technology firms. Their typical playbook involves initial access through phishing or exploited remote desktop services, followed by exfiltration of sensitive files, deployment of ransomware to encrypt systems, and then dual extortion: demanding payment to decrypt and a second fee to prevent publication of the stolen data. When victims refuse to pay, Qilin publishes samples and eventually releases the full archive on their leak site, as they are doing with Upstart Power.

What to do

  • Run a DoxxScan to map every link between your emails, phone numbers, handles, and real-world identity so you know exactly what this leak could expose.
  • Rotate any password you used at Upstart Power — or any password you have reused anywhere — and switch on 2FA using an authenticator app rather than SMS.
  • Enable continuous DoxxScan monitoring across 13.1B+ breach records and 100+ platforms so the next time your information appears it is caught within 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 addresses and emails.
  • Let remediation specialists handle takedown requests across data brokers and leak sites for you while you focus on securing accounts.

The publication deadline of 23 June 2025 gives you a narrow window to discover what may already be circulating and limit the damage before the full archive drops. Start your DoxxScan trial today. Its continuous monitoring, AI-powered identity-chain mapping, hands-on remediation by specialists, and household coverage — including children’s gaming accounts — provide the practical protection families need when corporate breaches like this one occur. Acting quickly can keep one company’s misfortune from becoming your family’s long-term problem.

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
upstartpower.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 the filing does not enumerate what was exposed
Disclosed June 03, 2025
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