Internet security has always been at top concern for IT industry.
Because, nowadays a large number of monetary transactions are taking place using the online mechanism.
Computer users prefer using online banking service instead of waiting in long queues for their turn.
Some enjoy shopping from their home, and others like to invest in share's using the online trading option.
Each of this service requires important credentials of users, which are known only to the user.
The online transaction is carried forward after the server authenticates the entered credentials with the stored credentials in the server.
When the authentication process is successful, the user then can start the transaction process.
So, whenever your computer is connected to internet, there arises the risk of virus infection, identity theft, and so on.
Here comes the concept of internet security.
The challenges to internet security are to keep the information of the computer user's safe and secure.
Because the cyber criminals are always in search of stealing the important user credentials.
Basically, internet security is concerned with the protection of internet accounts and files of computer users from unknown and unauthorized user.
It is concerned with three important issues like confidentiality, availability and integrity.
In internet security, confidentiality deals with maintaining the information of a user secure and inaccessible by unauthorized users.
The concept of integrity deals with maintaining the information of the user intact.
And availability is concerned with making the information available to the user.
There are various parameters used for maintaining the internet security such as the use of an anti virus software, any best security software, and a firewall.
There are various internet security softwares available in the market, which gives complete assurance to the computer users for offering complete privacy and security on internet.
The antivirus companies are offering their softwares for the trial purpose for their users to decide which one is the best internet security suite to buy.
Grisoft offers free AVG security software for the trial purpose.
McAfee has also introduced a trial version for a limited period of its latest software for free.
These softwares will keep your computer safe and protected from various prying eyes over the internet.
Finally, the best option to get rid of the internet threats is to disconnect from internet.
But the use of internet has become a need for the current technology.
Nearly, everything is handled with internet.
This is not a feasible option.
The other alternative is to use licensed security software.