Even security-conscious people make password mistakes without realizing it. These errors can leave your accounts vulnerable to attacks, identity theft, and data breaches. Here are the ten most common password mistakes — and how to fix every one of them.
This is the single most dangerous password habit. When you use the same password for your email, social media, and online shopping, a breach at any one service compromises them all. Attackers use automated tools to test stolen credentials across thousands of websites within minutes.
Fix: Use a unique password for every account. A password manager makes this effortless.
Many people still use passwords with 6 to 8 characters. Modern hardware can crack an 8-character password in hours, regardless of its complexity. Short passwords simply do not have enough possible combinations to resist brute-force attacks.
Fix: Use at least 12 characters, and ideally 16 or more. Length is the most important factor in password strength.
Pet names, birthdays, anniversaries, children's names, and favorite sports teams are all terrible password material. This information is often publicly available on social media, making it trivial for attackers to guess.
Fix: Never include any personal information in your passwords. Use random characters or random word combinations instead.
Replacing "a" with "@", "e" with "3", or "o" with "0" feels clever but offers almost no additional security. Password cracking tools have been aware of these substitutions for decades and test them automatically.
Fix: Do not rely on character substitutions as your primary security measure. Use truly random passwords generated by a tool like PasswordMatic.
Passwords like "qwerty," "123456," "asdfgh," and "zxcvbn" are among the most commonly used worldwide. Keyboard walks and sequential patterns are the first things attackers try.
Fix: Avoid any pattern that follows the keyboard layout or number sequence. Randomness is key.
Data breaches happen constantly, and your credentials may already be circulating on the dark web. If you never check or change your passwords after a breach, you are leaving the door open for attackers.
Fix: Use a service like Have I Been Pwned to check if your email has appeared in known breaches. Change passwords for affected accounts immediately.
Writing passwords on sticky notes, saving them in unencrypted text files, or emailing them to yourself are all risky practices. Anyone who gains physical or digital access to these storage methods gains access to your accounts.
Fix: Use an encrypted password manager. It is specifically designed for secure password storage.
Sending passwords via email, text message, or chat creates a permanent record that can be intercepted or discovered later. These channels are not encrypted end-to-end in most cases.
Fix: If you must share access, use your password manager's secure sharing feature. Many support sharing without revealing the actual password.
A strong password alone is not enough. If an attacker obtains your password through phishing, a data breach, or malware, two-factor authentication is the only thing standing between them and your account.
Fix: Enable two-factor authentication on every account that supports it, especially email, banking, and social media.
Checking "remember me" or "keep me logged in" on public computers, work devices, or shared family devices means anyone who uses that device after you can access your accounts.
Fix: Only use "remember me" on devices that are exclusively yours. Always log out completely on shared or public computers.
Security is not about being perfect — it is about eliminating the easiest attack vectors. Fixing even a few of these mistakes dramatically reduces your risk.
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