Data breaches → Horse Isle
Was your data in the Horse Isle breach?
2020 · horseisle.com · ~27,786 accounts exposedCritical severity · 10/10
Horse Isle (horseisle.com) suffered a data breach in 2020 that exposed around 27,786 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 2020 then again in September that same year, Horse Isle "The Secrent Land of Horses" suffered a data breach. The incident exposed 28k unique email addresses along with names, usernames, IP addresses, genders, purchases and plain text passwords. The system also stored and exposed failed password attempts for each user with the password retained in plain text.
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 Horse Isle breach exposed and what each item actually enables:
Attackers replay leaked passwords across other sites (“credential stuffing”). Because most people reuse passwords, one leak often unlocks email, shopping and banking accounts elsewhere.
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.
Reveals your approximate location and internet provider, which adds credibility to targeted scams.
Also listed in this breach: Email addresses, Genders, IP addresses, Names, Passwords, Purchases, Usernames.
What to do if you were affected
These steps are ordered for this specific breach — the most urgent action given what leaked comes first.
- Passwords: Change this password everywhere you have reused it, starting with your email account — whoever controls your email can reset everything else.
- 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.
- IP addresses: No direct action needed, but be wary of anyone quoting your location as “proof” of identity.
- 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 6 years old. Old credentials still cause harm — leaked passwords from a decade ago are still tried against new accounts every day.
Passwords are the reason breach age matters less than people expect. Leaked credentials are compiled into wordlists that get tried against new services for years afterwards, so a password exposed here is unsafe to use anywhere, ever again.
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 Horse Isle breach?
The Horse Isle breach exposed passwords, names and usernames, email addresses, ip addresses. Attackers replay leaked passwords across other sites (“credential stuffing”). Because most people reuse passwords, one leak often unlocks email, shopping and banking accounts elsewhere.
How many people were affected by the Horse Isle breach?
Around 27,786 accounts were exposed, making it a smaller, more targeted breach.
What should I do if I had a Horse Isle account?
Change this password everywhere you have reused it, starting with your email account — whoever controls your email can reset everything else. 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 Horse Isle breach affected you, these breaches exposed comparable information — worth checking too, since leaked datasets are routinely combined.
- Was your data in the Fantasy Football Hub breach? (2021, ~66,479 accounts)
- Was your data in the MeetMindful breach? (2020, ~1,422,717 accounts)
- Was your data in the Le Coq Sportif Columbia breach? (2023, ~79,712 accounts)
- Was your data in the The Fly on the Wall breach? (2017, ~84,011 accounts)
- Was your data in the Imavex breach? (2021, ~878,209 accounts)
- Was your data in the CyberServe breach? (2021, ~1,107,034 accounts)