PassMonitor is a 100% free tool that lets you check if your email, passwords, or personal data have been exposed in data breaches on the internet, deep web, and dark web.

Yes. We use end-to-end encryption and OTP code verification. We don't store your passwords and data is processed in real time without permanent retention.

How does the verification work?

You enter your email, receive a verification code (OTP) to prove ownership, and in seconds we query over 850 breach sources to show if your data was exposed.

What should I do if my data was leaked?

We recommend immediately changing passwords for affected services, enabling two-factor authentication (2FA), checking for suspicious activity on your accounts, and using unique passwords for each service.

Yes, personal verification is 100% free with no limits. For companies that need continuous monitoring, we offer corporate plans.

Does PassMonitor work on mobile devices?

Yes. PassMonitor is fully responsive and works perfectly on smartphones, tablets, and desktops, with no app installation required.

What data is checked?

We check if your email appears in known data breach databases. The report shows which services were compromised, when it happened, and what types of data were exposed (passwords, names, addresses, etc).

PassMonitor

PT EN

Check now if your data has been
Leaked on the Internet!

No signup 100% free Instant results

For security purposes, we'll send a code to the email above to verify it's yours.
No signup required - the check is free and instant.

Global Overview of Data Breaches and Sensitive Information

Real data periodically updated based on confirmed breaches.

Known breaches

998

Compromised accounts

16.2B

New breaches (90 days)

Verified breaches

956

Most exposed data types

Emails 991

Passwords 670

Names 523

Usernames 481

IPs 378

Phones 352

Addresses 278

Birthdate 273

Latest cybersecurity news

Data breach exposes up to 14.2 million email logins at six ISPs

Japanese telecommunications operator KDDI Corporation disclosed a data breach where threat actors gained access to one of its email systems used by fi

Clean GitHub repo tricks AI coding agents into running malware

An agentic coding tool tasked with cloning and setting up a seemingly benign GitHub repository could execute a malicious payload that remains invisibl

FBI: Russian hackers now target Signal backup recovery keys

The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has evolved to steal Signal Backup

CISA sets urgent deadline to fix Cisco flaw exploited in attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is giving federal agencies until Sunday to patch a vulnerability in Cisco Unified Com

Polymarket customers lose $3 million in supply-chain attack

Polymarket says it will fully reimburse customers who lost an estimated $3 million after hackers injected a malicious script into the platform's front

Deep Web vs Surface Web

Deep Web: A layer of the internet not visible to regular users, accessible only to hackers who trade illegal information, sell stolen personal data, and develop malware.

Surface Web: The visible part of the internet we browse daily, where data is more secure and information is indexed by search engines.

Deep Web 68%

Surface Web 32%

Origin of major hacker groups

Russia 32%

China 24%

North Korea 15%

Iran 11%

Others 18%

The Deep Web is a hidden layer of the internet used by hackers to trade illegal information and stolen personal data. The Surface Web is the visible part we browse daily, indexed by search engines and freely accessible.

Stay Safe

Essential tips to keep your data secure

Unique passwords

Use a different password for each service. If one leaks, the others stay protected. Learn how to create strong passwords.

Two-factor authentication

Enable 2FA whenever possible. Even with your password, no one can access without the second factor. Read the complete 2FA guide.

Password manager

Use apps like Bitwarden or 1Password to store strong, unique passwords. See our password manager comparison.

Monitor your data

Periodically check if your data has appeared in new breaches. Learn what to do if your data leaked.

Frequently Asked Questions

Get answers about digital security and data breaches

What should I do if my email appeared in a dark web data breach?

If your email was found in a breach, immediately change the passwords for affected services. Use strong, unique passwords for each account, enable two-factor authentication (2FA), and monitor your accounts for suspicious activity. Check our full guide on what to do when your data leaks.

How can I check if my personal data was exposed in a breach?

PassMonitor checks over 850 confirmed breach sources, including deep web and dark web data. Just enter your email, confirm the verification code, and in seconds you get a full report with all data breaches where your information was found.

How can I protect my passwords and prevent them from being leaked?

The best way to protect your passwords is to use a reliable password manager, create unique passwords for each service, and never reuse the same password. Enabling two-factor authentication adds an extra layer of security. Read our digital security guide for more practical tips.

Is PassMonitor safe? Is my data stored?

Yes, PassMonitor uses SSL encryption for all communications and OTP code verification to ensure only the email owner can access results. We do not store passwords, emails, or personal data after the check. All verification happens in real time with no permanent retention. See our privacy policy for more details.

How to identify phishing scams that try to steal my data?

Phishing scams use fake emails, messages, and websites to trick you into giving up your credentials. Be suspicious of messages with excessive urgency, shortened links, and unknown senders. Read our article on how to identify fake emails and phishing scams. To verify suspicious links, messages, and screenshots in real time, use Vigarista.com, a free AI-powered scam detection tool.

What is the dark web and why might my data be there?

The dark web is a hidden layer of the internet where hackers trade stolen data such as emails, passwords, SSNs, and credit cards. When a service suffers a breach, this information can be sold or shared in these underground markets. Learn more in our article what is the dark web and why your data appears there.

Check now if your data has been Leaked on the Internet!