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- Write a script to automatically raise an alarm when the the Admin's session cookie is stolen.Which of these can be used to improve defenses against host attacks on a password system in which the passwords are stored in plain text (note: the system must remain a user-knowledge-based authentication system)? Select one: a. Hash the passwords and store the hashes, rather than the plaintext passwords b. Store the password on a physical object instead c. Use one-time passcodes instead d. Limit the number of attempts allowedWhich encryption benchmark ensures data is not modified after it’s transmitted and before it’s received? a. Confidentiality b. Integrity c. Availability d. Symmetric
- When web clients want access to protected resources on a web server, native authentication and authorization services must be shown. Do you have any more?An underground resistance group wants to write articles with completely differ- ent security goals. The resistance group shared a secret at the last resistance meeting that they can all use for these articles. Here are their goals: Only users with the shared secret should be able to upload to the server. Only users with the shared secret should be able to read the articles. Any changes to the article should still be easily detectable The resistance is paranoid about both quantum computers and any mod- ern encryption algorithms so they want to avoid public key cryptography. They only trust AES (symmetric key encryption) and SHA-256 (crypto- graphic hashing) since these have been around for decades and are resistant to quantum computers. Write a protocol for the underground paper to authenticate authors before publishing to the server. (HINT: Make sure that this protocol cannot be tricked by someone who has been listening to the previous article upload) Write a protocol for the server…This question is designed to gain more experience on symmetric encryption algorithms, encryption modes. The cryptographic library implemented by OpenSSL project will be used in this question. Using OpenSSL from the command line interface Create a new text file using a notepad or any other software, The text file contains your name(first 8 chars) and the file must be exactly 8 bytes in size only and name it “txt”. Print screen of your public ip address, repeat it twice and convert it to hexadecimal format then Create another text file and name it “key.txt” contains the doubled IP address in hexadecimal format. Encrypt the file “txt” using DES, using key.txt as a key and ECB mode of operation. The ciphertext should be in a file named “your_id.enc” and print screen your steps in details. [ Prove and explain by details that the avalanche effect is exist in DES algorithm. you don’t have check the existence of avalanche effect using different plaintext only you can use different keys to…
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- During server setup, the administrator pre-configures the SSH server's public key by editing a file on the client side of things.If you look at the docker-compose.yml file, you will find the following entries for the malicious router container. What are the purposes of these entries? Please change their value to 1, and launch the attack again. Please describe and explain your observation.#find all IP addresses for invalid logins, then see which IPs are also used for scanning def compareInvalidIPs(): return True 3. The getinvalidLogins() method should find all IP addresses that are used for both invalid logins AND are blocked by the firewall. To get the invalid logins, you should use the log/auth.log file. For compareInvalidIPs, you should first extract all gzipped versions of auth.log* (meaning auth.log, auth.log.0, auth.log.1, etc.) using the extractLogFiles() method that you implement. Similarly, you will extract all gzipped versions of ufw.log* using the extractLogFiles() method for firewall logs. You will then compare the IPs found in each version. Here is the output for my solution code when executing the if __name__=="__main__" code branch. Your output should be similar.