Have I Been Pwned publishes a corpus of previously breached passwords so services can check and block passwords that appear in known breaches.
Free
F-Secure
Check whether email addresses or personal information appear in a data breach with F-Secure’s checker.
About F-Secure
F-Secure Identity Theft Checker checks whether personal information associated with an entered email address appears in known data breaches. Users enter an email address, the service searches for matches, and a breach report with recommended actions is sent to that email address.
The site states it does not store the email address or breach information, and breach details are not shown on the website. Checks for information not tied to email, such as Social Security numbers, credit cards, passport numbers and phone numbers, are described as part of F-Secure Total, which also offers monitoring.
Key features
- Check if an email address appears in known data breaches
- Send breach report with recommended actions to email address
- Advise changing passwords in accounts that may be affected
- Provide Strong Password Generator to create unique passwords
- Check Social Security numbers, credit cards and passports via F-Secure Total
- Offer 24/7 monitoring and alerts through F-Secure Total
Best for: People who want to check whether an email address appears in known data breaches.
Good for
- States that it does not store the email address or breach information
- Sends a breach report with recommended actions to the user's email
- Includes practical next steps such as changing and creating unique passwords
Watch out for
- Breach details are not shown on the website itself
- Breach report is delivered by email and may take a few minutes
- Checking identifiers not tied to email requires F-Secure Total
F-Secure at a glance
- Category
- Privacy & Security › Breach & Phishing Checks
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
F-Secure alternatives
Tools and sites you could use instead, ranked by how closely they match.
Use Mozilla Monitor tools to check exposed personal information and learn how to respond to breaches.
Open source
24 alternatives
isitPhishing analyzes a URL from a phishing email and reports whether the linked website may be risky; the service is free for noncommercial use.
isMalicious checks IP addresses, domains, URLs, emails, phone numbers, and cryptocurrency wallets against threat intelligence data.
Freemium
23 alternatives
AdGuard Mail provides email forwarding with aliases and temporary addresses to help keep a personal email address private.
YOPmail generates temporary email addresses for anonymous use, allowing visitors to hide their personal email address.
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F-Secure FAQ
How do I check if my email was in a breach?
Enter the email address associated with your accounts. The service searches known breaches and emails a report with recommended actions.
Will I see breach details directly on the website?
No. The site states that for privacy reasons no breach details are shown on the website; the report is sent by email.
Can the email checker find leaks of credit cards or passport numbers?
The site describes checks for Social Security numbers, credit cards, passport numbers and phone numbers as part of F-Secure Total, not the basic email check.
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