I have a website and we are going to implement some payment gateways for people who purchase items from my website. I do not know much about web security but I would like to know how the system works. I want to know how we can authentic the cards we will be receiving payment from.

 

Hashed and salted passwords are used in cryptography to reduce password vulnerability to hash attacks. What is the process of hashing? What is the process of salting? How do hashing and salting work to protect passwords from brute attacks? In this context, what is fingerprinting?

What is Cross Site Scripting? When do these occur? How is a cross site scripting attack executed? What are the categories of Cross Site Scripting Attacks? What is a Dom based XSS? Are XSS attacks severe and can they cause an account to be compromised? How can you protect a site from XSS attacks? 

What is a Secure Socket Layer (SSL)?  How does SSL work? If you are a trader, why is it important that you have SSL on your website? How can you identify if a website has a SSL? Who issues a SSL certificate? What are the details that are included in the certificate?

Symmetric encryption is faster but difficult to implement. Explain why? What is it also known as ?How does it work ?What is asymmetric encryption? What is its alternate name? What is its disadvantage? Explain the process of asymmetric encryption? What is the use of digital certificates in the process of asymmetric encryption?

I have 4 Desktops Computers running on Windows XP Pro 32-bit. I am having a trouble with the Symantec Endpoint Protection when I install version 12.3.1 it is always request for a reboot. When I reboot the PC’s the log on screen from windows does not appears. What do you think is the problem? I don’t encounter this problem on older version 11.0700.

Hello,

I am facing a problem on some users where Certificate errors pops up. This happens to users using Microsoft outlook 2010. Any one have info related to this issue. We use exchange 2007 self signed stump. We only use trusted Certificate. 

Thanks 

My computer is facing Anti Virus Security Pro issues. Whenever I try to boot my system in SAFE mode and enter my login details, it reboots again. What possible can be done to handle this issue? Please help

Microsoft Security Essentials has detected some kind of malicious software on my PC. I received the following three alerts: Remove, Quarantine and Allow. What option should I select and why? Will the file be deleted or shifted to any other folder in the PC?