Let's imagine three companies (A, B and C), all competing in a challenging global environment. Company A and B are working together in developing a product that will generate a major competitive advantage for them. Company A has a secure DNS server while company B has a DNS server vulnerable to spoofing. With a spoofing attack on the DNS server of company B, company C gains access to outgoing e-mails from company B. How do you prevent DNS spoofing? (Select the Best Answer.)
Implement DNS Anit-Spoofing measures to prevent DNS Cache Pollution to occur.
Which of the following programs is usually targeted at Microsoft Office products?
While examining audit logs, you discover that people are able to telnet into the SMTP server on port 25. You would like to block this, though you do not see any evidence of an attack or other wrong doing. However, you are concerned about affecting the normal functionality of the email server. From the following options choose how best you can achieve this objective?
Blocking port 25 in the firewall or forcing all connections to use username and password would have the consequences that the server is unable to communicate with other SMTP servers. Turning of the SMTP service would disable the email function completely. All email servers use SMTP to communicate with other email servers and therefore changing email server will not help.
Bob wants to prevent attackers from sniffing his passwords on the wired network. Which of the following lists the best options?
Kerberos, Smart cards and Stanford SRP are techniques where the password never leaves the computer.
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