Skip to main content
cybersecurity 6 min read

Has Your Password Been Leaked? How to Find Out in 2 Minutes

Solanasis Team |
Colorful lines of code on a dark monitor screen representing cybersecurity

You’ve Probably Already Been Breached

There are over 12 billion compromised accounts in known breach databases. If you’ve had an email address for more than a few years, there’s a strong chance it’s in at least one of them.

That doesn’t mean someone has broken into your account. It means your email address (and possibly an old password) appeared in a data dump at some point.

The question isn’t whether you’ve been exposed. It’s whether you’ve done anything about it.

In our post on why every growing organization needs a password manager, we talked about why reusing passwords is one of the biggest security risks hiding in plain sight. Today, we’re going one step further: how to check if your existing passwords have already been compromised, and what to do if they have.

What Happens After a Breach

Here’s how breaches turn into real problems, in plain language:

  1. A company gets hacked. Attackers steal a database of usernames and passwords
  2. The data gets dumped. It’s sold on dark web marketplaces or posted publicly
  3. Credential stuffing begins. Attackers use automated tools to try those username-password combinations against hundreds of other services (banks, email, CRMs, cloud platforms)

This works because people reuse passwords. If your team member used the same password for a personal shopping site and your company’s cloud platform, a breach at the shopping site becomes a breach at your organization. That’s the hidden risk of credential reuse: one breach somewhere else becomes your problem.

This isn’t about panic. It’s about awareness. You can’t fix what you don’t know about.

How to Check If You’ve Been Exposed

Two free tools make this straightforward.

Have I Been Pwned (HIBP)

Have I Been Pwned is a free service created by security researcher Troy Hunt. It aggregates data from known breaches and lets you check if your email address appears in any of them. “Pwned” is internet slang for “owned,” meaning your data was compromised.

How to use it:

  1. Go to haveibeenpwned.com
  2. Enter your email address
  3. Review the results; you’ll see a list of breaches your email appeared in, with dates and what data was exposed

If you see results, don’t panic, but don’t ignore them either. Any breach where a password was exposed means that password should be considered compromised everywhere you used it.

Practical tip: Check every work email address in your organization. Have your team do the same with their work accounts. You’ll likely find surprises.

Pwned Passwords

The same service offers a password-specific check at haveibeenpwned.com/Passwords. You can enter a password to see if it’s appeared in any known breach database.

The important detail: your full password is never sent to the server. The tool uses a technique called k-anonymity (it sends only the first five characters of your password’s hash, receives back all matching hashes, and checks locally on your device). Your actual password never leaves your browser.

This is useful for checking whether a password you’re currently using has been exposed; and a strong reason to change it immediately if it has.

How Password Managers Make This Automatic

If you’ve already set up a password manager (and if you haven’t, our guide to choosing one is a good starting point), you likely have breach monitoring built in. Here’s how the major options handle it:

1Password Watchtower

1Password’s Watchtower feature automatically checks your saved passwords against the HIBP database. It flags compromised, weak, and reused passwords in a single dashboard. No manual checking required; it runs continuously and alerts you when action is needed.

Bitwarden Vault Health Reports

Bitwarden’s Vault Health Reports (available on Premium and business plans) include an exposed passwords report that checks your vault against known breaches. It also flags reused passwords, weak passwords, and unsecured websites. The reports give you a clear picture of where your vault needs attention.

Keeper BreachWatch

Keeper’s BreachWatch feature performs dark web scanning against your stored credentials. It provides real-time alerts when matches are found and is designed with compliance in mind, useful for organizations with regulatory requirements.

So here’s what matters: If you have a password manager, turn on breach monitoring today. It takes 30 seconds and runs automatically from that point forward.

What to Do If You Find Compromised Credentials

If you discover that a password has been exposed, here’s what to do:

  1. Don’t panic, but don’t ignore it. A breach notification means your credentials were exposed, not necessarily that someone has used them. But the risk is real and time-sensitive.

  2. Change the password immediately. Use your password manager’s generator to create a strong, unique replacement. Never reuse the compromised password anywhere.

  3. Turn on MFA. MFA (Multi-Factor Authentication) adds a second verification step, usually a code from your phone, so that a stolen password alone isn’t enough to access the account.

  4. Check for unauthorized access. Most services have an activity log or “recent sign-ins” section in account settings. Look for logins from unfamiliar locations or devices.

  5. If it’s a shared credential, rotate it organization-wide. A compromised shared password (like a vendor portal or Wi-Fi network) needs to be changed everywhere it’s used, and everyone who had access needs to know.

  6. Document what you changed. Update your password manager, note the date, and flag the account for follow-up if needed. Documentation turns a reactive fix into a repeatable process.

Knowing about a breach and doing nothing about it is risk debt. Every day you wait, the exposure compounds.

Why This Is Part of Every Checkup

Credential exposure review is built into every Compliance Readiness Assessment we run. We don’t just ask whether your team uses strong passwords; we check breach exposure, MFA status, and whether your password policies match reality.

It takes 15 minutes to check, but most organizations never think to do it. We make sure it’s part of the baseline.

Key Takeaways

  • Over 12 billion accounts are in known breach databases; yours may be among them
  • Have I Been Pwned is free and takes 2 minutes to check any email address
  • Password managers have built-in breach monitoring. Turn it on if you haven’t already
  • Compromised? Change the password, enable MFA, and check for unauthorized access
  • Credential exposure checks are part of every Solanasis Compliance Readiness Assessment

Think your credentials might be exposed? Our Compliance Readiness Assessment includes a full credential exposure review alongside security, backups, and operational risk, all in 10 business days. Let’s talk.

Share this article