Index
Definition E-commerce :
is the buying and selling of goods and services
on the Internet, especially the World Wide Web.
E-commerce has many types such as:
1 - B2B (Business-to-Business).
Companies doing business with each other such as
manufacturers selling to distributors.
2 - B2C (Business-to-Consumer).
Businesses selling to the general public typically through catalogs utilizing
shopping cart software.
3-C2B (Consumer-to-Business).
A consumer posts his project with a set budget online and within hours
companies review the consumer's requirements and bid on the project.
4- C2C (Consumer-to-Consumer).
There are many sites offering free classifieds, auctions, and forums where
individuals can buy and sell thanks to online payment systems like PayPal and
eBay's auction .
Definition E-government :
is the use of information and communication technologies (ICTs)
to improve the activities of public sector organizations
E-government has many types such as:
1- G2G (Government-to-Government)
2- G2E (Government-to-Employee)
3- G2B (Government-to-Business)
4- B2G (Business-to-Government)
5- G2C (Government-to-Citizen)
6- C2G (Citizen-to-Government)
the attacker :
As mentioned, the vulnerability of a system exists
at the entry and exit points within the system.
This figure shows an e-Commerce system with
several points that the attacker can target:
1- Shopper
2- Shopper' computer
3- Network connection between shopper and Web site's server
4- Web site's server
5- Software vendor
Defenses :
Despite the existence of hackers and crackers,
e-Commerce remains a safe and secure activity.
The resources available to large companies involved
in e-Commerce are enormous. These companies will
pursue every legal route to protect their customers.
This figure shows a high-level illustration of defenses
available against attacks.
the Secure Sockets Layer (SSL) protocol. Originally developed by
Netscape, SSL has been universally accepted on the World Wide Web for
authenticated and encrypted communication between clients and servers.
SSL is the important part in security.
Secure Socket Layer (SSL) have two keys that are public key ,private key
Public key encryptes the data between browser and server.
private key translate the encrypted data to original data.
In example about SSl in different browsers:
Reliability
E-commerce Reliability depends on security in
websites when
1- website is protected and it’s security is very
hard and stonge so the human will depend on
this website.
2- website is weak in security so the human
would not depend on this website.
Reliability
E-commerce Reliability: depends on security in
websites when
1- website is protected and it’s security is very
hard and stong so the human will depend on
this website.
2- website is weak in security so the human
would not depend on this website.