Have I Been Pwned allows you to check whether your email address has been exposed in a data breach.

January 12, 2020 - When you're pwned, your data was exposed in a breach. When you're hacked, someone has actually accessed your account. Some hacking attempts don't result in immediate information theft.

Visit the Website Navigate to the official Have I Been Pwned? website: https://haveibeenpwned.com/ Enter Your Email Address In the search bar, type in an email address you want to check and click the "pwned?" button.

May 16, 2024 - And when it comes to the question “Have I been pwned?”, “pwned” means that someone has taken control of your email address, or a user profile that has been created with it.

September 17, 2025 - Input your email in the search bar and click the “pwned?” button. This instant action leads to a database check that sifts through over 12 billion records. As your data travels through this vast pool of information, you might feel a knot of anxiety tighten in your stomach; after all, no one wants to discover they’ve been compromised.

November 14, 2025 - Synthient (run by Ben during his final year of college) indexed that data and provided it to Have I Been Pwned solely for the purpose of notifying victims. He’s the good guy shining a light on the bad guys, so keep that in mind as you read on. (Some of the feedback Ben has received is exactly what I foreshadowed in the final paragraph of this post.) A couple of weeks ago, I wrote about the 183M unique email addresses that Synthient had indexed in their threat intelligence platform and then shared with us.

November 18, 2025 - The primary function of Have I Been Pwned? since it was launched is to provide the general public with a means to check if their private information has been leaked or compromised. The service collects and analyzes hundreds of database dumps and pastes containing information about billions of leaked accounts, and allows users to search for their own information by entering their username or email address.

February 17, 2025 - Find out in seconds if your email address has been stolen or compromised. Enter it in the Have I Been Pwned – Email Checker, and we’ll run it through a comprehensive database of all email addresses stolen over the last few years.

Public Knowledge - Security Awareness -

July 11, 2025 - Click the “pwned?” button. The site will instantly check its database of known data breaches and inform you if your email has been involved in any incidents.

If your email has been pwned, your personal information is in danger.

November 11, 2025 - Have I Been Pwned has processed the largest data corpus in its history, adding nearly 2 billion unique email addresses and 1.3 billion passwords to its breach notification database after security researchers compiled credential stuffing lists ...

Answer (1 of 5): Cross the road. Lie down. Die. In the rain. Slowly. No, seriously: (1) Do a thorough virus check on your computer. (2) If you are not sure that your machine is compromised, use a different computer for the following steps. (3) Change your email password immediately if that’s ...

May 12, 2019 - The unique email addresses totalled 772,904,991. This is the headline you're seeing as this is the volume of data that has now been loaded into Have I Been Pwned (HIBP). It's after as much clean-up as I could reasonably do and per the previous paragraph, the source data was presented in a variety of different formats and levels of "cleanliness".

Answer (1 of 3): First, don’t panic. That list is a compiled list of every breach which has been reported. Look at what it’s reporting. There will be two types of entries. 1. Places where your account information was involved in a breach. The attacker got your username and password in this ...

Answer (1 of 2): Being pwned means that your data was exposed publicly without your consent. The type of information disclosed could be anything, from your email address, to your password, to your credit card details.

It's typically used to imply that someone has been controlled or compromised, for example "I was pwned in the Adobe data breach". A "breach" is an incident where data is inadvertently exposed in a vulnerable system, usually due to insufficient ...

March 17, 2023 - Royal Panda is an online casino that someone has signed up for, with my email address. Outside of the first instance, the remaining account creations have been rather tame – simply more spam that I did not sign up for. However, it has been interesting to see the life of a pwned valid email address.

python3 pwnedornot.py -h usage: pwnedornot.py [-h] [-e EMAIL] [-f FILE] [-d DOMAIN] [-n] [-l] [-c CHECK] optional arguments: -h, --help show this help message and exit -e EMAIL, --email EMAIL Email Address You Want to Test -f FILE, --file FILE Load a File with Multiple Email Addresses -d DOMAIN, --domain DOMAIN Filter Results by Domain Name -n, --nodumps Only Check Breach Info and Skip Password Dumps -l, --list Get List of all pwned Domains -c CHECK, --check CHECK Check if your Domain is pwned # Examples # Check Single Email python3 pwnedornot.py -e <email> #OR python3 pwnedornot.py --email <e