You want to manage your passwords for different accounts to optimally secure passwords from compromise. Which of the following password management methods should you use? Question 5 options: Password vault Password digest Password key Password generator
Added by Angela B.
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The options are password vault, password digest, password key, and password generator. Each of these serves a different purpose in password management. Show more…
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Instructions Based on the information provided, use the dropdown selectors to identify the password attack and the tool used. Attacker 1 Technique Description Attacker obtains a database of password hashes for later use Password Attack Select Tool Used Select Attacker 2 Technique Description Attacker attempts every possible combination in the output space in order to match a captured hash and guess the plaintext Password Attack Select Tool Used Select Attacker 3 Technique Description Attacker uses a combination of dictionary and brute-force attacks to obtain a password. Password Attack Select Tool Used Select
Akash M.
One day, three friends (Alice, Bob, and Laura) miraculously found a huge number of ancient gold coins of equal size while bushwalking. They decided to equally divide those coins and bring them home. However, given that homes may not be safe to store the coins, they decided to put them in a strong vault in a bank (see Figure-1.1). The vault has a digital keypad (see Figure-1.1) which is used to enter a secret password for opening it. However, this keypad is very sophisticated and specially designed for the three friends. It can accept three secret keys one after another. Each secret key is an integer number of 5 digits. When the keypad is initialized, each friend enters an individual secret key without anyone knowing that number. Once all three friends enter their secret numbers, the sophisticated logic in the keypad performs a mathematical operation and generates a master key by using the three numbers (see Figure-1.2). It then stores the master key in the memory and deletes the individual secret keys. Once the digital keypad is initialized, they can come anytime but they must come all at the same time and enter the secret keys one after another. Similar to the initialization phase, the keypad performs a mathematical operation and generates a new master key by using the three numbers. The new master key is then compared with the old master key saved in the keypad. If they are the same, the vault opens. Explain the algorithm with an example to design the sophisticated keypad for the excellent vault which has gold coins! Digital Keypad Figure-1.1: A vault with a digital keypad Key-1 Key-2 Key-3 Master Key Figure-1.2: Master Key generation at the vault from three keys
Supreeta N.
In today's digital landscape, the escalating frequency of data breaches and incidents of identity theft pose significant challenges to cybersecurity. Cybercriminals exploit vulnerabilities in security systems, often targeting passwords as the primary entry point. Once obtained, these passwords grant access to sensitive information, enabling cybercriminals to execute a variety of malicious activities, including disinformation campaigns, fraudulent transactions, and unauthorized surveillance. To combat these threats, recommendations stress the importance of creating strong, complex passwords comprising a mix of symbols, alphanumeric characters, and varying cases. Strengthening password security is essential in safeguarding digital assets and mitigating the risks associated with data breaches and identity theft. As such, 10-character passwords to be constructed containing letters and/or numbers (case-sensitive: upper case and lower case are treated differently). Determine the number of permutations under the following restrictions: (a) All characters must be in lower case. (4 marks) (b) Upper case letters and digits must alternate and be distinct. (6 marks) (c) All characters must be lower case, distinct and in alphabetical order. (4 marks) (d) The password can only contain, upper case F and K. (3 marks) (e) At least one uppercase letter and one numerical digit, with no repeating characters allowed.
Rachel G.
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