A website eve.com receives a TLS certificate from a certificate authority CA.org. What should prevent eve.com from using this certificate to impersonate as the website for domain bob.com? Present a mistake that CA.org could make in the certificate, which would allow this attack.
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A website eve.com receives a TLS certificate from a certificate authority CA.org. What should prevent eve.com from using this certificate to impersonate as the website for domain bob.com? Present a mistake that CA.org could make in the certificate, which would allow this attack.
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- Consider the following threats to Web security and describe how each is countered by a particular feature of TLS. A. Password Sniffing: Passwords in HTTP or other application traffic are eavesdropped. B. IP Spoofing: Uses forged IP addresses to fool a host into accepting bogus data. C. IP Hijacking: An active, authenticated connection between two hosts is disrupted, and the attacker takes the place of one of the hosts. D. SYN Flooding: An attacker sends TCP SYN messages to request a connection, but does not respond to the final message to establish the connection fully. The attacked TCP module typically leaves the “half-open connection” around for a few minutes. Repeated SYN messages can clog the TCP module.The LLMNR poisoning attack is a man-in-the-middle attack and is dependent on the attacker having what? A) Domain Admin Privileges B) Internet access C) Access to the local network D) None of the aboveThe best way to mitigate LLMNR poisoning attack is to ____________? enable domain authentication enable multicast name resolution disable domain authentication disable multicast name resolution
- 15) If the form is submitted via GET request using HTTP, can a browser adversary (i.e., one who can locally observe the URLs requested by the user) obtain the password? True False 16) If the form is submitted via POST request using HTTP, can a network adversary obtain the password? True FalseWhile using a MAC, an attacker tries to modify the Tag (the MAC) and the ciphertext in transit (message authentication code). What is likely to occur? Justify your failure, that is, why the recipient will always be able to recognize a modified Tag or ciphertext.Consider the following threats to Web security and describe how each is countered by a particular feature of SSL. Man-in-the-middle attack: An attacker interposes during key exchange, acting as the client to the server and as the server to the client. Password sniffing: Passwords in HTTP or other application traffic are eavesdropped. IP spoofing: Uses forged IP address to fool a host into accepting bogus data. IP hijacking: An active, authenticated connection between two hosts is disrupted and the attacker takes the place of one of the hosts. SYN flooding: An attacker sends TCP SYN message to request a connection but does not respond to the final message to establish the connection fully. The attacked TCP module typically leaves the “half-open connection” around for a few minutes. Repeated SYN messages can clog the TCP module.
- An attacker attempts to alter the Tag (the MAC) and the ciphertext in transit while using a MAC (message authentication code). What would happen? Provide a rationale for why this attack will fail, that is, why the receiver will always be able to identify a changed Tag or ciphertext.When using a MAC (message authentication code), what happens if an attacker attempts to change the Tag (MAC) and ciphertext in transit? Explain why this attack will always fail as the recipient can recognize a changed Tag/ciphertext?Explanation in a step-by-step format on how to create native authentication and authorisation services in order to get access to protected resources on a web server. Which of the following supports the use of layered protocols? Provide concrete examples to substantiate the statements you've made.
- What happens if an attacker attempts to alter the Tag (the MAC) and the ciphertext in transit while using a MAC? Justify why this attack would always fail, namely because the recipient will be able to identify a changed Tag/ciphertext.Please identify the correct statement(s) below for ARP spoofing attacks. Question 15 options: The ARP spoofing attack is "bi-directional" so that 192.168.2.6 will intercept IP packets exchanged between 192.168.2.2 and 192.168.2.1 by launching ARP spoofing attacks against EITHER 192.168.2.2 OR 192.168.2.1. It is possible for 192.168.2.6 to intercept IP packets from 192.168.2.2 to 192.168.2.1 by launching ARP spoofing attacks against 192.168.2.1. It is possible for 192.168.2.6 to intercept IP packets from 192.168.2.2 to 192.168.2.1 by launching ARP spoofing attacks against 192.168.2.2. It is impossible for 192.168.2.6 to launch ARP spoofing attacks against either EITHER 192.168.2.2 OR 192.168.2.1 because they belong to routers.Explanation of how to implement native authentication and authorization services for gaining access to protected web server resources. Which of the following provides support for layered protocols? Provide concrete examples to support your assertions.