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Safe Computing - Gyutae KIm

Popcorn Hack: Identify PII

A. Fingerprint

Pop Quiz: Multifactor Authentication

D. A username required to log in.

Popcorn Hack: Encryption Quiz

B. Finn and Gwen develop a system that maps each letter of the alphabet to a unique symbol using a secret key. Finn uses the key to write a message to Gwen where each letter is replaced with the corresponding symbol. Gwen uses the key to map each symbol back to the original letter.

Popcorn Hack: Password Security

password: 2mY2ya]K$+F_mLS^2

explanation: A good password is one that is strong, unique, and difficult to guess. It should be at least 12-16 characters long and include a combination of uppercase and lowercase letters, numbers, and special symbols to increase its complexity. A strong password should also avoid common words, predictable patterns, or personal information such as birthdates or names, as these can be easily guessed or cracked by attackers. Additionally, using a different password for each account is important to prevent a security breach on one platform from compromising multiple accounts.