📚 Topic Summary
Password security is a critical aspect of computer science, especially when dealing with sensitive information online. A strong password acts as the first line of defense against unauthorized access to personal accounts, computer systems, and networks. Understanding the principles of creating and maintaining secure passwords is essential for all computer users, especially high school students who are increasingly active in the digital world. This worksheet introduces key concepts and practical exercises to help you build better password habits.
🔑 Part A: Vocabulary
Match each term with its correct definition:
| Term |
Definition |
| 1. Password |
A. The process of converting readable data into an unreadable format to prevent unauthorized access. |
| 2. Authentication |
B. A secret word or phrase used to gain access to a system or account. |
| 3. Encryption |
C. A type of malicious software designed to steal passwords. |
| 4. Phishing |
D. The process of verifying the identity of a user or device. |
| 5. Keylogger |
E. A deceptive attempt to obtain sensitive information, such as usernames, passwords, and credit card details, by disguising as a trustworthy entity. |
✍️ Part B: Fill in the Blanks
Complete the following paragraph using the words provided:
(complexity, length, personal information, dictionary attack, two-factor authentication)
The strength of a password depends on its _____. A longer password is generally harder to crack. Avoid using _____ such as your name, birthday, or address. One common method hackers use is a _____, where they try common words and phrases. Adding _____ provides an extra layer of security, requiring a second verification method in addition to your password.
🤔 Part C: Critical Thinking
Imagine that your friend uses the same password for all their online accounts. Explain to them the risks involved and what steps they can take to improve their password security.