Special K Data Feed Spam List
MEDIUM RISKData breach — October 2015
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.
search Check if you were affected — freeData exposed in this breach
What happened in the Special K Data Feed Spam List data breach?
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.
The exposed data included 6 types of personal information. Learn more about what a data breach means for you.
Quick answer — was Special K Data Feed Spam List hacked?
Yes. Special K Data Feed Spam List was breached in October 2015. The breach exposed 30,741,620 records including dates of birth, email addresses, genders. This breach has been independently verified. If your email was involved, your data may still be at risk today. Check if you were affected.
Why was the Special K Data Feed Spam List breach so dangerous?
The Special K Data Feed Spam List breach exposed 30,741,620 records — that is 30.7M people whose personal data is now circulating on the dark web. The combination of dates of birth, email addresses, genders makes this a medium-risk breach that should be addressed promptly.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the Special K Data Feed Spam List breach?
Dates of birth — used to verify identity for account takeover and fraud
Email addresses — used for phishing attacks and credential stuffing against your other accounts
Genders — may be combined with other breach data to build a profile for targeted attacks
IP addresses — combined with other data, used for identity theft and physical fraud
Names — used to build profiles and target you with personalised scams
Physical addresses — combined with other data, used for identity theft and physical fraud
Is the Special K Data Feed Spam List breach still dangerous in 2026?
Yes. Stolen data from the Special K Data Feed Spam List breach remains dangerous years after the incident. Research shows that over 65% of stolen credentials from older breaches have never been changed by the account holders. Attackers routinely compile data from multiple breaches to build complete profiles, and credentials from 2015 are still actively used in credential stuffing attacks today.
Personal information like email addresses, phone numbers, and dates of birth never expire. Even if you changed your Special K Data Feed Spam List password, the other exposed data can be combined with information from other breaches to target you. Learn more about how long stolen data stays dangerous.
Frequently asked about the Special K Data Feed Spam List breach
Approximately 30,741,620 user records were exposed in the Special K Data Feed Spam List breach in October 2015.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Special K Data Feed Spam List password elsewhere and haven't changed it, those accounts remain at risk today.
Enter your email in the free checker on EmailLeaked. We scan 12 billion+ breach records including the full Special K Data Feed Spam List dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Special K Data Feed Spam List password immediately, change any other account where you used the same password, enable two-factor authentication on all important accounts, and monitor for phishing emails over the next 90 days.
Who was affected by the Special K Data Feed Spam List breach?
The Special K Data Feed Spam List data breach affected approximately 30,741,620 users who had accounts with the service. With 30.7M records exposed, this is one of the larger breaches tracked in our database of 970+ known breaches.
If you ever created an account with Special K Data Feed Spam List or used their services, your data may have been included in this breach. Check your email now to find out. You can also read our guide on what to do immediately after a data breach.
If your email was in the Special K Data Feed Spam List breach
Change your Special K Data Feed Spam List password immediately
Go to Special K Data Feed Spam List and change your password right now. Use a strong, unique password that you have never used anywhere else.
Change any account sharing that password
If you used the same password on other sites, change it on every one of them. Attackers test stolen credentials on hundreds of popular sites within hours.
Enable two-factor authentication
Turn on 2FA on Special K Data Feed Spam List and every important account. Even if your password is known, attackers cannot get in without the second factor.
Check your other accounts for this breach
Run a full email check to see every breach your email appears in — not just this one.
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