high severity October 07, 2015 · 1 min read

Special K Data Feed Spam List Data Breach (2015)

If you are a customer of Special K, here’s what’s now in circulation.

In mid to late 2015, a spam list known as the Special K Data Feed was discovered containing almost 31M identities. The data includes personal attributes such as names, physical and IP addresses, genders, birth dates and phone numbers. Read more about spam lists in HIBP.

Special K Data Feed Spam List Data Breach (2015)

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.

Were you a Special K customer?

Special K is one listing. Your email is probably in others.

30.7M accounts were exposed here. Check whether yours is one — and find every other leak tied to the same address, in about 15 seconds. No account, no card.

Report details & sourcing

Severity High contact details only, none of them permanent

Disclosed October 07, 2015

Last reviewed July 22, 2026

Affected 30.7M

Data exposed Dates of birthEmail addressesGendersIP addressesNamesPhysical addresses

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: Have I Been Pwned

Related breaches

high October 01, 2026