Fling
HIGH RISKData breach — March 2011
In 2011, the self-proclaimed "World's Best Adult Social Network" website known as Fling was hacked and more than 40 million accounts obtained by the attacker. The breached data included highly sensitive personal attributes such as sexual orientation and sexual interests as well as email addresses and passwords stored in plain text.
search Check if you were affected — freeData exposed in this breach
What happened in the Fling data breach?
In 2011, the self-proclaimed "World's Best Adult Social Network" website known as Fling was hacked and more than 40 million accounts obtained by the attacker. The breached data included highly sensitive personal attributes such as sexual orientation and sexual interests as well as email addresses and passwords stored in plain text.
The exposed data included 11 types of personal information. Because passwords were exposed, users who reused their password on other sites are at particular risk. Learn more about what a data breach means for you.
Quick answer — was Fling hacked?
Yes. Fling was breached in March 2011. The breach exposed 40,767,652 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 Fling breach so dangerous?
The Fling breach exposed 40,767,652 records — that is 40.8M people whose personal data is now circulating on the dark web. The combination of dates of birth, email addresses, genders makes this a high-risk breach that requires immediate action.
Because passwords were exposed, attackers can use credential stuffing to automatically test your Fling password against hundreds of other websites. If you reused your password anywhere, those accounts are now at risk. Read more about what happens to your data after a breach.
Don't wait to find out — check if your email was exposed in this breach now.
What data was stolen in the Fling 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
Geographic locations — 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
Passwords — can be used to access your accounts directly or cracked to reveal your actual password
Phone numbers — enables SIM swapping attacks and targeted SMS phishing scams
Sexual fetishes — may be combined with other breach data to build a profile for targeted attacks
Sexual orientations — may be combined with other breach data to build a profile for targeted attacks
Usernames — used to build profiles and target you with personalised scams
Website activity — may be combined with other breach data to build a profile for targeted attacks
Is the Fling breach still dangerous in 2026?
Yes. Stolen data from the Fling 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 2011 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 Fling 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 Fling breach
Approximately 40,767,652 user records were exposed in the Fling breach in March 2011.
Yes. Leaked credentials are actively used in credential stuffing attacks years after a breach. If you reused your Fling 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 Fling dataset and tell you instantly whether your email was exposed and what data was taken.
Change your Fling 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 Fling breach?
The Fling data breach affected approximately 40,767,652 users who had accounts with the service. With 40.8M records exposed, this is one of the larger breaches tracked in our database of 970+ known breaches.
If you ever created an account with Fling 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 Fling breach
Change your Fling password immediately
Go to Fling 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 Fling 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.
searchCheck all my breaches — freeOther major breaches
Was my email hacked?
Check if your email is compromised in seconds. Free, private, no signup. Scan 12 billion+ records across 970+ known breaches.
search Check my email now — it's freeNo signup required · Results in under 5 seconds · Your data is never stored