Enhancing the security of your QuickBooks login is crucial to safeguarding your sensitive financial data. Create a strong password: Use a combination of upper and lowercase letters, numbers, and symbols. Avoid common or easily guessable passwords. Enable two-factor authentication (2FA): This adds an extra layer of security by requiring a verification code in addition to your password. Regularly update your login credentials: Change your password periodically and avoid reusing passwords across multiple accounts.