WHAT IS COMPUTER HACKER?
What is a Computer Hacker?
The term ‘hacker’ refers to a skilled programmer, who is competent in computer operating systems.
These people could basically solve any kind of problem arising in any computer system. These hackers (a few of them), also became experts in accessing computers that were protected by passwords and they were then called crackers. This was way back in the 1990s. Today anyone who performs any kind of computer sabotage is called a ‘computer hacker’.
What is Computer Hacking?
These crackers use small programs, that exploit the weakness in a computers operating system, transforming them into zombies.
Computer hacking involves violation on the privacy of others by invading their network security and causing damage to the software.
Computer hacking is a practice in which the computer hardware and software are altered, causing damage to important data or leading to stealing of secret information.
Hackers usually target computers connected to the internet. The hacker breaks into the computer security and invades user privacy.
Personal information like bank account details, credit card numbers, social security numbers etc. are exposed.
Hacking of computers leads to an identity theft, where a person could pretend to be another, by using his identity and gaining access to an individual’s personal details. He could even be misusing the other persons account for illegal activities.
When a computer is hacked, the user may receive a program which calls for activation. These programs could appear as picture files, MPEG or some other format that the user may recognize. But when the user runs the programs, there may be nothing significant happening. This should not be taken lightly by the user.
Meanwhile, the activated program attaches itself to an element of the user’s operating system, so that every time the user turns on his computer, the program becomes active.
If the user runs the program, it enables the hacker access the user’s system and enable him to do whatever he likes.
Today there are a large number of hackers, who with their wicked ways are able to affect any computer, whether he be a simple house-user, student, e-mailer, net user etc.
We see at least more than a hundred thousand known viruses affecting our systems.
What is Spam?
Very often, you must have opened your mails and found a lot of your emails as junk mails. This comes from networked zombie computers. It does not come from one centralised source making it difficult to track down the source.
These spam mails deliver computer virus or Trojan programs to many computers at a time. It also ends up sending messages and getting personal information about the system owner.
It is difficult to assess if the sender is a single user sending out spam or the computer is being controlled remotely.
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