What do we want from secure computer systems?
Here is a reasonable goal: Computers are as secure as real world systems, and people believe it.
Security is the condition of being protected against danger, loss, and hackers. In the general sense, security is a concept similar to safety.
In today’s web-based world, hackers and malicious software are the biggest threat to anyone who conducts business online. Viruses and worms have the ability to cripple entire networks while an experienced hacker can penetrate a system and thieve confidential data. Because of this, consumers and online businesses alike are taking proactive steps towards protecting their personal information. Some are conferring with their web hosting providers to ensure that the security measures they implement are reliable.
There are many creative ways that unscrupulous people use to access or abuse unprotected computers. I have mentioned few of them below,