Why is security so important on the internet?
2.What security features are offered by Netscape communicator and internet Explorer?
3.What security standand is used by most banks to make online transactions secure?
4.How can we protect and keep our e- mail private?
5.what methods are used by companies to make internal networks secure?
6. which ways can a virus enter a computer system?
security and privacy on the internet
there are a lot of benefits from open system like internet, but
we are also exposed to hackers who break into computer
systems just for fun, as well as steal onformation or propagate virus.
so how do you go about making online transactions secure?
1. security on the web
the question of security is crucial when sending confidential information
such as credit card numbers, For example, consider the process of buying a book
on the web. you have to type your credit card number into an order form which passes
from compurter to computer on its way to the online bookstore . if on of the intermediary
compurter is infiltrated by hackers, your data can be copied it is difficult to say
how often this happens, but it's technically possible
to avoid risks, you should set all security alerts to high on your web browser.
netscape communicayion and internet explorer display a lock when the web page
is secure and allow you to disable of delete ' cookies' .
if you use online bank sevices, make sure your bank uses gigital cetificates. a populai
security standard is set ( secure electronic transactions).
2. Mail privacy.
similary, as yuor e- mail message travels across the net, it is copied temporarily
on many computers in between. this means it can be read by unscruppulous people who
illegally entr computer systems.
the only way to protect, that is , to encode it with some from of encryption.
a system designed to send email privately is pretty good privacy,
a freeware program written by zimmerman.
Network security
private network connectedto the internet can be actacked by intrders who attempt
to take valuable information such as social security numbers, bank accounts or search and
business reports.
to reports crucial data, companies hire security consultants who analyse the risks
and provide security solutions. the most common methods of protection are passwords
for access control, encryption and decryption systems, and firewalls