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7 Common Password Mistakes to Avoid

Jane Smith By Jane Smith
April 22, 2025
7 min read
18 comments
Common password mistakes illustration

Even with increasing awareness about online security, many people still make critical mistakes with their passwords. These errors can expose your accounts to hackers and compromise your personal information. Let's explore the seven most common password mistakes and how to avoid them.

1. Using Simple, Predictable Passwords

One of the biggest mistakes is using passwords that are too simple. This includes common words like "password," "123456," or sequential patterns like "qwerty." These passwords can be cracked in seconds by automated tools.

Instead, create complex passwords with a mix of uppercase and lowercase letters, numbers, and special characters. The longer your password (16+ characters), the better.

2. Reusing Passwords Across Multiple Accounts

Many people use the same password for multiple accounts to make them easier to remember. However, this creates a domino effect – if one account is compromised, all your accounts become vulnerable.

The solution is to use a unique password for every account. While this sounds challenging, a password manager can help you store and manage all your unique passwords securely.

Statistics You Should Know

A 2024 security study found that 65% of people reuse passwords across multiple accounts, and 81% of data breaches involve weak or reused passwords.

3. Including Personal Information

Using your name, birthday, address, pet's name, or other personal information in passwords is a common mistake. Hackers can easily find this information through social media or public records.

Avoid any passwords that contain easily identifiable personal information. Instead, use random combinations or passphrases that don't relate to your personal life.

4. Not Changing Passwords After a Breach

When a service you use announces a data breach, failing to change your password immediately puts your account at risk. Even if you think your information wasn't affected, it's better to be safe.

Enable breach notifications from your accounts and consider using services that alert you when your email appears in known data breaches.

Password breach illustration

5. Storing Passwords Insecurely

Writing passwords on sticky notes, saving them in plain text files, or storing them in unencrypted spreadsheets are dangerous practices. These methods make it easy for others to access your passwords.

Opt for a reputable password manager instead. These tools encrypt your passwords and require only one master password for access.

6. Ignoring Two-Factor Authentication

Many people still don't enable two-factor authentication (2FA) when it's available. This extra layer of security can prevent unauthorized access even if your password is compromised.

Whenever possible, enable 2FA for your accounts. Authenticator apps or hardware keys are more secure options than SMS, which can be intercepted.

7. Creating Passwords That Are Too Similar

Some people think they're being secure by making minor variations of the same base password (like "Password1!" and "Password2!"). However, hackers can easily guess these variations if they obtain one of your passwords.

Each password should be completely unique. A good password generator can help you create distinct passwords for each of your accounts.

Conclusion

Avoiding these common password mistakes can significantly improve your online security. Remember that strong password practices are an essential part of protecting your digital identity.

For help creating strong, unique passwords that avoid these mistakes, try our random password generator tool.

Jane Smith

Jane Smith

Cybersecurity Expert with 10+ years of experience in online security and password management.

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Michael Brown

Michael Brown

3 days ago

I used to make several of these mistakes, especially reusing passwords. After a close call with a breached account, I finally switched to a password manager and it's been a game changer!

Sarah Johnson

Sarah Johnson

1 week ago

I never realized how dangerous it is to use personal information in passwords. I've been using variations of my kids' names for years. Time to change all my passwords!

Jane Smith
Jane Smith (Author)
6 days ago

That's a great decision, Sarah! It's amazing how much personal information we share online that hackers can exploit. Consider using a passphrase with unrelated words for better security.

Thomas Wilson

Thomas Wilson

2 weeks ago

The tip about avoiding similar passwords is important. I used to just change one character between accounts, but after reading this, I realize how easy that would be to crack. Thanks for the eye-opening article!

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