Which practice is a key component of account security?

• A. Strong, unique passwords
• B. Posting controversial content
• C. Using the same password across sites
• D. Sharing passwords with colleagues

Answer: (A)

Strong, unique passwords are essential for keeping accounts secure. They prevent attackers from guessing credentials and stop one compromised password from opening doors to multiple sites. If a breach occurs at one site and you reuse passwords, other accounts can be exposed; using a distinct password for each site confines the risk. Longer, random passwords resist brute-force and guessing more effectively. A password manager helps you create and store these passwords, and enabling multi-factor authentication adds an extra layer of protection. Sharing passwords or posting content that reveals credentials is a security risk, while reusing passwords across sites undermines overall account security.