What is the Internet?
In 1969, the Internet was launched. It all began with a local area network. Allow me to define a local area network. Local area networks are made up of computers connected to each other in a home or business. A wide area network, on the other hand, is a global network made up of innumerable LANs, wide area networks, and individual machines. When all of the computers on the planet are linked together, they become the Internet. These machines are connected via ISPs in a variety of ways. Allow me to define an ISP. Internet service providers are companies that provide Internet access to computer users.
There are two types of connections available from these ISPs. The first is known as dialup, and the second is known as high speed. The maximum speed of dialup is 56 kbps. High-speed connections begin at 56kps and increase to 13mps (mega bit per second). For this service, ISPs provide several monthly bundles. The cost of each bundle is determined by the speed.
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If you have Internet service installed on your computer and switch it on, you are already connected to the Internet. Every machine on the Internet has a unique number called an IP (Internet Protocol) address, just like in the real world. A computer can be identified by this number. So, if a computer in one part of the world wants to communicate with another computer in another part of the world, that computer will dial this number. This is how these machines and their users communicate with one another.
If a person knows a computer's number, or IP address, he or she can connect to any computer (with the correct tools), especially if it has weak security.
What are Hackers?
Hackers are computer users who obtain illegal access to other people's computers. This is achievable if the target computer's security is weak and the IP address is exposed. The question is how they obtain a computer's identification number, or IP address. Here are some methods for stealing or acquiring access to a machine's IP address. In general, if someone has access to a computer, they can readily obtain information by entering a few basic commands. During a chat session, the IP address might be discovered. As a result, the largest problem for IT professionals is Internet security. Spamming is another kind of computer hacking.
Users are directed to click on phoney links in Spam emails, and as soon as they do, scripts and spyware are downloaded into their machine, resulting in hacking.
Hacker for hacking phone in usa scan other people's computers or phones using various apps in order to obtain the computer number. They never know whose computer number they are obtaining in such instance. The target PCs are then utilised for ads or identity theft in such circumstances. Let me describe how identity theft occurs. A computer is an extremely useful instrument in our daily lives. We use it to check emails, buy and sell products online, bank, perform schooling, and a variety of other tasks. All of these activities are carried out using a user id and password, which is what hackers are looking for. They download programmes onto other people's computers after obtaining the unique IP number.
One negative aspect of hacking is that hackers can be local or located anywhere in the world. Hackers can be stopped using a variety of technologies, including hardware and software. There is one central concept in both circumstances, and that concept is known as firewall. A firewall acts as a security guard at a building's entryway. It prevents all illegal computer access. On fire walled computers, rules are set up to allow or prevent access over local and wide area networks.
