haveibeenpwned.com – Is This Site Legit?

Haveibeenpwned.com appears to be a crucial online security tool designed to help individuals determine if their personal data, such as email addresses and passwords, has been compromised in various data breaches. Created by cybersecurity expert Troy Hunt, the website aggregates information from publicly known security incidents and leaks, providing a centralized resource for users to check their exposure. For this type of tech tool, common user concerns often revolve around data privacy, specifically whether the site itself might harvest or misuse the information entered. Users frequently ask if such a service is legitimate or a scam, fearing that by checking their data, they might inadvertently expose it further. This page offers an independent safety assessment of haveibeenpwned.com, addressing these concerns with factual information to help you understand its operations and overall reliability in a clear, neutral way.

Trust Score
Based on our automated analysis
low Risk
95/ 100

Verdict

Have I Been Pwned is a highly legitimate and trustworthy website, widely endorsed by cybersecurity professionals and used by governments and major tech companies. Its purpose is to help users determine if their data has been exposed in breaches without storing their search queries. The risk associated with using this site for its intended purpose is low, and it is a valuable tool for online security.

Positive Signs

  • The site is created and operated by Troy Hunt, a highly respected cybersecurity expert, Microsoft Regional Director, and MVP.
  • It is a widely recognized and recommended free service for checking if personal data has been compromised in data breaches.
  • The website explicitly states it does not store email addresses or phone numbers entered by users for searches.
  • For password checks, it uses a secure method (k-anonymity with partial hashing) to avoid transmitting the full password.
  • Governments (Australia, UK, Spain) and major technology companies/services (e.g., 1Password, Mozilla Firefox Monitor) integrate with or use HIBP.
  • The site uses HTTPS, ensuring encrypted communication.
  • Trustpilot reviews are generally positive, praising its helpfulness and free service.

Red Flags

  • Troy Hunt's personal blog's Mailchimp account was compromised in a phishing attack in March 2025, leading to the exposure of 16,000 email addresses from his newsletter subscribers. This was a breach of his personal mailing list, not the core Have I Been Pwned service.
  • An older Reddit discussion mentioned the presence of Google tracking scripts and Cloudflare's aggressive Tor hostile policy.
  • A 2019 article raised a concern about the lack of a formal privacy policy for email submission and suggested a secure hash option for email input was missing, although more recent information indicates secure handling.
Safety Guidelines
  • 1While the site is highly trustworthy, always be cautious about entering personal information on any website.
  • 2Enable two-factor authentication (2FA) on all your online accounts, especially if your email address appears in a breach.
  • 3Use a strong, unique password for every online service, ideally with a password manager.
  • 4If HIBP indicates your email or password has been compromised, change that password immediately on all affected accounts.

Trusted Alternatives

Mozilla Monitor

Mozilla Monitor scans data breaches to determine if your personal information has been leaked and provides guidance on how to address any exposures.

Visit site
DataBreach.com

DataBreach.com, created by Atlas Privacy, allows users to check if their email address, full name, physical address, phone number, Social Security number, IP address, or username have been exposed in data breaches.

Visit site
F-Secure Identity Theft Checker

F-Secure provides a tool to check if your personal data has been exposed on the dark web in previous breaches and offers continuous monitoring to help secure your identity.

Visit site

Frequently Asked Questions

Is haveibeenpwned.com a legitimate website?

Yes, haveibeenpwned.com is widely regarded as a legitimate and reputable internet security service. It was created by Troy Hunt, a well-known cybersecurity expert, and is frequently recommended by security professionals and organizations.

Is it safe to enter my email address on haveibeenpwned.com?

Yes, it is generally considered safe to enter your email address on haveibeenpwned.com. The site is designed not to store the email addresses searched, and it operates with transparency regarding its data handling practices.

Does haveibeenpwned.com store my passwords?

No, haveibeenpwned.com does not store your actual passwords alongside your email address. When checking passwords, it uses a secure method (k-anonymity and cryptographic hashing) that allows you to verify if a password has been leaked without fully disclosing your password to the service.

What does 'pwned' mean on the website?

The term 'pwned' originates from hacker slang and is a misspelling of 'owned.' In the context of haveibeenpwned.com, it means that your personal data, such as an email address or password, has been compromised or exposed in a data breach.

What should I do if haveibeenpwned.com indicates my information has been compromised?

If your email or password appears in a breach, it is crucial to immediately change the compromised password. You should also ensure you use unique, strong passwords for all your online accounts and consider using a reputable password manager to help manage them securely.

How does haveibeenpwned.com get its data?

Haveibeenpwned.com collects and analyzes data from hundreds of publicly disclosed data breaches and leaks, including database dumps and pastes found on the internet. This aggregated data allows the service to inform users about where their personal information may have been exposed.