Data breaches → Uiggy
Was your data in the Uiggy breach?
2016 · uiggy.com · ~2,682,650 accounts exposedLow severity · 3/10
Uiggy (uiggy.com) suffered a data breach in 2016 that exposed around 2,682,650 accounts. If you had an account, some of your personal data may be circulating in leaked databases. The fastest way to know is to check your own email — free, in about 30 seconds, no password required.
What happened
In June 2016, the Facebook application known as Uiggy was hacked and 4.3M accounts were exposed, 2.7M of which had email addresses against them. The leaked accounts also exposed names, genders and the Facebook ID of the owners.
Breach details sourced from Have I Been Pwned, the industry-standard breach database. Risk analysis by Nullivo.
What was exposed, and why it matters
Not all breaches carry the same risk — what matters is which fields leaked. Here is what the Uiggy breach exposed and what each item actually enables:
Links this leak to your other accounts — a reused username lets anyone build a profile of you across platforms.
Puts you on spam and phishing lists, and confirms to attackers that you hold an account with this service — which makes impersonation emails more believable.
Also listed in this breach: Email addresses, Genders, Names, Social connections, Website activity.
What to do if you were affected
These steps are ordered for this specific breach — the most urgent action given what leaked comes first.
- Names and usernames: Search your usual username to see what else it exposes, and use distinct handles for sensitive accounts.
- Email addresses: Treat any message referencing this service with suspicion, and never act on links in unexpected emails.
- Check whether your own email appears in this breach — run a free scan to confirm before you spend time on the steps above.
How urgent is this now?
This breach is over 10 years old. Old credentials still cause harm — leaked passwords from a decade ago are still tried against new accounts every day.
Remember: a breach can't be "un-leaked" — once a database is out, it exists in countless copies. The goal is to make the leaked data useless: change what can be changed, lock down what can't, and remove what has been republished.
Frequently asked questions
What data was exposed in the Uiggy breach?
The Uiggy breach exposed names and usernames, email addresses. Links this leak to your other accounts — a reused username lets anyone build a profile of you across platforms.
How many people were affected by the Uiggy breach?
Around 2,682,650 accounts were exposed, making it a large breach.
What should I do if I had a Uiggy account?
Search your usual username to see what else it exposes, and use distinct handles for sensitive accounts. You can check whether your own email appears in this breach with a free Nullivo scan — no password required.
Breaches that exposed similar data
If the Uiggy breach affected you, these breaches exposed comparable information — worth checking too, since leaked datasets are routinely combined.
- Was your data in the ClixSense breach? (2016, ~2,424,784 accounts)
- Was your data in the Nival breach? (2016, ~1,535,473 accounts)
- Was your data in the Beautiful People breach? (2015, ~1,100,089 accounts)
- Was your data in the Mate1.com breach? (2016, ~27,393,015 accounts)
- Was your data in the Health Now Networks breach? (2017, ~321,920 accounts)
- Was your data in the Ashley Madison breach? (2015, ~30,811,934 accounts)