high severity November 29, 2025 · 1 min read

Coupang South Korea E-Commerce Breach — November 2025

If you have an account with Coupang South Korea E-Commerce, here’s what’s now in circulation.

34 million Coupang customers had names, emails, phones, and addresses exposed after an overseas server compromise. The CEO resigned in the aftermath.

Korean shopping cart icon with breach-warning overlay

South Korean e-commerce giant Coupang disclosed a breach affecting 34 million customers in November 2025. Names, email addresses, phone numbers, and service addresses were exposed after the compromise of an overseas server. The incident was severe enough that the CEO resigned in the aftermath.

Already exposed?

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Deep Sweep shows you every leak tied to you and exactly what to change. Then it strips your name, address and family off the look-up sites that turn a leaked record into somebody knocking on your door — $29 one-time, includes 30 days of Protection. We write to 637 companies. No subscription to start.

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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.

Global shoppers — including gamers buying merch internationally — now face cross-border doxxing risk. Coupang's scale and the address-level granularity make this dataset particularly useful for harassment campaigns targeting Korean creators, streamers, and public figures, though anyone with an account is potentially affected.

What to do

What You Should Do

Change your Coupang password and any reused passwords elsewhere
Treat unsolicited emails citing Coupang orders as likely phishing
Use a forwarding email for international e-commerce
Run a Warden to check whether your data appears in associated dumps

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. That’s what a Deep Sweep buys.

value redacted in this sampleage, relatives, address historySpokeo

value redacted in this samplephone, household, property recordsBeenVerified

value redacted in this sample637 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

Coupang South Korea E-Commerce is one breach. Your email is probably in others.

~34 million accounts were exposed here. 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: every leak and listing tied to your email, in about 15 seconds. No account, no card.

Report details & sourcing

Severity High

Disclosed November 29, 2025

Last reviewed July 22, 2026

Affected ~34 million

Data exposed NamesEmail addressesPhone numbersService addressesAccount metadata

By GalaxyWarden Threat Research · Editorial & sourcing standards

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.

Sources: Tech.co (Dec 1, 2025)

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