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Different threats To E-Commerce Security

Threats to e-commerce security are in the form of destruction, disclosure, modification of data, denial of service, and/or fraud, waste and abuse. The main categories of the threats to e-commerce security are as follows:

1. Hacking. It is gaining access to a computer system without the knowledge of its owner. The people who indulge in such unlawful acts are known as hackers. Once they get access to targeted systems, they can alter data available on those systems or steal private information such as personal details and sometimes even sensitive information related to bank and credit card accounts. Mostly the targets for hackers are e-commerce websites, individual machines and sometimes bank websites that provide facility for online banking.

2. Viruses and Worms. Viruses and Worms are computer programs that prevent computer systems from working properly. They disrupt the working of computer system. There is a subtle difference between Virus and Worm; both can replicate, but when travelling on the network, Virus needs a carrier file. It can not travel on its own on the network; whereas a Worm can travel on its own without anything. It does not actually need any infected file to stick in. Viruses and Worms are very problematic for all systems. The ultimate aim of these Viruses and Worms is to make a good working system malfunction and sometimes Worms can even sniff in and steal private information to send it to its creator.

3. Trojan Horse. Trojan Horse programs were initially used for system administration purposes. System administrators used these programs to control their work-stations remotely. These programs have two components; one runs as a server and the other runs as a client. The server part is installed on the work stations and the client is installed on the administrator machines. Though it has a good purpose, its power can be used for bad purposes too. Hackers can use these programs to get control of their target machines and watch all the activities of those machines.

4. Spoofing. It is fooling other computer users to think that the source of their information is coming from a legitimate user. There are several methods of spoofing. For example, IP spoofing changes the source-address of an IP packet to show that it is from a legitimate source, but in reality it might be coming from a hacker. Thus, the hacker attacks the system and at the same time hides his IP address from the eyes of the firewalls.

5. Sniffing. It means seeing all packets passed through wires or sometimes through air for wireless networks. Initially, this technique was being used for fixing network problems. As it can watch network packets, it is now being used by hackers for scanning login_ids and passwords over the wires.

6. Denial of Service (DoS). DoS attack is an incident in which a legitimate user or organisation is deprived of the services of the resource they would normally expect to have. DoS brings down the targeted network and makes it deny service to legitimate users. Hackers attack a site with DoS, by installing small programs called zombies on some computers in the intermediate level in the networks; they run those programs remotely and make the intermediate computers launch the attacks simultaneously and the targeted servers thus go down because of the overload and the legitimate users are not be able to get proper service from those affected servers.


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