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Wednesday, 23 September 2015

Most recent asked Ethical Hacking Interview Questions and Answers

26) Explain how you can stop your website getting hacked?
By adapting following method you can stop your website from getting hacked
    Sanitizing and Validating users parameters: By Sanitizing and Validating user parameters before submitting them to the database can reduce the chances of being attacked by SQL injection
    Using Firewall: Firewall can be used to drop traffic from suspicious IP address if attack is a simple DOS
    Encrypting the Cookies: Cookie or Session poisoning can be prevented by encrypting the content of the cookies, associating cookies with the client IP address and timing out the cookies after some time
    Validating and Verifying user input : This approach is ready to prevent form tempering by verifying and validating the user input before processing it
    Validating and Sanitizing headers :  This techniques is useful against cross site scripting or XSS, this technique includes validating and sanitizing headers, parameters passed via the URL, form parameters and hidden values to reduce XSS attacks

27) Explain what is Keylogger Trojan?
Keylogger Trojan is malicious software that can monitor your keystroke, logging them to a file and sending them off to remote attackers.  When the desired behaviour is observed, it will record the keystroke and captures your login username and password.

28) Explain what is Enumeration?
The process of extracting machine name, user names, network resources, shares and services from a system. Under Intranet environment enumeration techniques are conducted.

29) Explain what is NTP?
To synchronize clocks of networked computers, NTP (Network Time Protocol) is used.  For its primary means of communication UDP port 123 is used.  Over the public internet NTP can maintain time to within 10 milliseconds

30) Explain what is MIB?
MIB ( Management Information Base ) is a virtual database.  It contains all the formal description about the network objects that can be managed using SNMP.  The MIB database is hierarchical and in MIB each managed objects is addressed through object identifiers (OID).

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