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You probably have more passwords than you realize. Banking, email, shopping accounts and streaming services can add up quickly. The bigger problem comes when one of those passwords lands in a data leak and you have no idea it happened. Your phone may already know about it.
Both Apple and Google can check saved passwords for security problems and warn you when a login appears compromised. Apple can also flag passwords that are weak or reused. Google Password Manager offers a Password Checkup that can identify compromised, reused or weak passwords. That gives you a chance to fix an exposed login before someone tries to use it against you.
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FAKE PASSWORD-MANAGER ALERTS COULD PUT YOUR VAULT AT RISK
An iPhone can warn you when a saved password appears in a known data leak and prompt you to change it. (David Paul Morris/Bloomberg via Getty Images)
Your phone may already know which passwords need attention
Password alerts are one of those security features that can quietly sit on your phone until you actually open them. When you do, you might be surprised by what you find. On iPhone, Apple says the Passwords app automatically identifies common weaknesses, including passwords that are easy to guess or used multiple times. Your iPhone can also securely monitor saved passwords and warn you when they appear in known data leaks. Google Password Manager offers a similar check for credentials stored in your Google Account. Google says it can identify passwords that were exposed, are weak or are being used across multiple accounts. Checking only takes a minute.
How to find compromised passwords on iPhone
On an iPhone running iOS 27:
- Open the Passwords app.
- Authenticate with Face ID, Touch ID or your passcode if prompted.
- Tap Security.
- Review any accounts that Apple has flagged.
- Tap an account to see why Apple recommends changing the password.
- Tap Change Password and update the password on the website or in the app.
Apple may flag a login because the password appeared in a known data leak. You can also see recommendations for passwords that are weak or reused. If the website supports it, you may also be able to switch to a passkey or upgrade to Sign in with Apple. Otherwise, your iPhone can help create a strong replacement password for many accounts.
Make sure compromised password detection is turned on
While you are checking your passwords, make sure the monitoring feature itself is enabled.
On iOS 27:
- Open Settings.
- Tap Apps.
- Tap Passwords.
- Make sure Detect Compromised Passwords is turned on.
Apple confirms that this setting allows the iPhone to monitor saved passwords and warn you when they appear in known data leaks. It is an easy setting to overlook, and I would rather have my phone warn me than discover an exposed password after someone has already tried to use it.
GOOGLE DOCS PASSWORD LEAK REVEALS A COSTLY SECURITY MISTAKE
Google Password Manager’s Password Checkup can flag compromised, reused and weak passwords saved to your Google Account. (Thomas Trutschel/Photothek via Getty Images)
How to find compromised passwords on Samsung Galaxy
These steps are based on the latest Samsung One UI 9 software, which is built on Android 17. Samsung began its broader One UI 9 rollout in September 2026, although availability varies by phone model, carrier and region. Galaxy phones can save login information with Google Password Manager, Samsung Pass or another password manager. If your passwords are saved with Google, the most reliable way to check them for security problems is through Chrome.
To check passwords saved with Google Password Manager:
- Open Chrome.
- Tap the three-dot menu.
- Tap Settings.
- Tap Google Password Manager.
- Tap Checkup.
- Review any passwords flagged as compromised, reused or weak.
Google Password Manager can identify passwords that were exposed in a data breach. It can also flag passwords that are weak or used for more than one account.
If you use Samsung Pass instead, keep in mind that Samsung documents it as a service for storing and autofilling login information using biometric authentication. Samsung Pass is also integrated with Samsung Wallet on supported Galaxy devices. Samsung does not currently document the same compromised-password checking feature that Google provides through Password Checkup.
To review login information stored with Samsung Pass, open Samsung Wallet and access Samsung Pass. If you want active breach monitoring and password-health tools, a dedicated password manager can provide additional protection.
How to find compromised passwords on Google Pixel
These steps are based on Android 17 with the latest September 2026 Pixel software. Google began rolling out its September 2026 Pixel update to supported Android 17 devices on September 15, with availability varying by carrier and device. On current Pixel phones, look for the Passwords app. Google says this app provides a shortcut to Google Password Manager, where you can access passwords and passkeys saved to your Google Account.
To check for compromised passwords, the most consistently documented route is through Chrome:
- Open Chrome.
- Tap the three-dot menu.
- Tap Settings.
- Tap Google Password Manager.
- Tap Checkup.
- Review any passwords flagged as compromised, reused or weak.
- Select a flagged account and follow the prompts to change the password.
You can also open the Passwords app to quickly access Google Password Manager. If you do not see the app, open Settings, search for Password Manager and select it. Google Password Manager can warn you when saved credentials have been exposed online. It can also identify weak passwords and passwords being used for more than one account.
IDENTITY RESTORATION: WHAT TO DO AFTER IDENTITY THEFT
Turning on the detect compromised passwords setting lets your iPhone monitor saved logins and alert you when one may have been exposed. (Kurt “CyberGuy” Knutsson)
What does a compromised password warning actually mean?
Seeing the word compromised can make your stomach drop. However, the warning does not automatically mean someone has already logged into your account. Apple can alert you when a password appears in a known data leak. Google can warn you when one of your saved passwords has been published online or otherwise identified as compromised.
Either way, I would take the warning seriously. An exposed password may already be available to criminals even if nobody has successfully used it against your account yet. One risk is credential stuffing. Criminals take usernames and passwords obtained from previous breaches and try the same combinations on other services. That is why reusing a password can turn one exposed login into a much bigger headache.
What to do when your phone flags a password
Start by going directly to the company’s official website or app and changing the password there. Avoid using a password-reset link from an unexpected email or text. Criminals know breach warnings get your attention, and phishing messages can use that fear against you.
Next, check whether you used the same password somewhere else. If you did, change it on those accounts too. Each important account should have its own strong password so one exposed login cannot easily be reused somewhere else.
Then, add two-factor authentication (2FA) when the account supports it. We recommend turning on 2-Step Verification for stronger protection of your saved sign-in information. You should also consider passkeys when they are available. Passkeys can replace traditional passwords on supported accounts and are designed to provide stronger protection against phishing.
When a dedicated password manager may make more sense
Apple Passwords and Google Password Manager are convenient, especially if most of your devices live inside one ecosystem. However, plenty of us bounce between an iPhone, a Windows PC, a Mac or different browsers during the day. That is where a dedicated password manager can become especially useful.
A dedicated password manager can keep one encrypted vault synced across multiple devices and platforms. Many also work with major browsers, so your logins can follow you when you switch between computers, phones and tablets. Features such as autofill and password generation can also make it easier to use a different strong password for every account.
Some password managers add security tools that can flag weak or reused passwords and alert you when saved credentials may have appeared in a breach. For someone with dozens or even hundreds of logins, that gives you one central place to generate passwords, store them and keep an eye on their security.
Check out the best expert-reviewed password managers of 2026 at Cyberguy.com
Pay extra attention to your most important accounts
If your password check produces a long list of warnings, you do not need to panic and change everything at once. I would start with your primary email account. Password-reset links for many of your other accounts probably land there, making email an especially valuable target. Then deal with financial accounts, your Apple or Google account and services holding sensitive personal information. After that, work through the rest of the warnings. If you find an account you abandoned years ago and no longer need, consider closing it instead of leaving another forgotten login sitting online.
Reused passwords can turn one breach into a much bigger problem
Suppose a small website you joined years ago suffers a breach. You may barely remember creating the account. If that old password matches one you still use somewhere important, criminals now have a combination they can try somewhere else. Using the same password on multiple accounts raises your risk if one of those passwords gets stolen. This is one reason a password manager can help. You do not have to come up with a memorable variation every time you create an account. The manager can generate a unique password and remember it for you.
Do not ignore the alerts after you clean everything up
Running a password check once is helpful, but leave the monitoring features enabled afterward. Apple can continue watching saved passwords for appearances in known leaks. Google Password Manager also continues checking passwords and can notify you when saved credentials are found online. Google even allows you to control its password alerts from Password Manager settings. That turns your password manager into an early-warning system rather than something you only open after a breach makes the news.
Kurt’s key takeaways
What I like about these password checks is that they do some of the detective work for you. You do not have to remember every company that suffered a breach or wonder whether an old password is still floating around online. Your phone or password manager can flag trouble and give you a chance to deal with it. I would start by checking the passwords already saved on your phone. Fix anything marked compromised, pay close attention to reused passwords and leave the alerts turned on afterward. If you move between several devices or want more security tools in one place, a dedicated password manager can also make the whole process easier to manage.
When was the last time you checked your saved passwords for security warnings, and how many compromised or reused passwords do you think you would find? Let us know by writing to us at CyberGuy.com.
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