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Internet (2), How search works - Coggle Diagram
Internet (2)
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Search engines uses Spider, that looks for all the related information on a subject in all web pages that it finds and creates an index that is used later to show the results.
When you make a search, the engine looks for each word you type and lists all results, because this could be a large list, it uses Algorithms to try to guess what we want to know. These algorithms work in different ways in each search engine, and this is why you can get different results between them.
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Search Engines are constantly updating the algorithms and eliminating dangerous or fake pages, in order to give us the best possible results.
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They use Artificial Intelligence, called Machine Learning to understand the meaning of the words you have searched.
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Cyber security and crime
Virus is a program that gets installed, usually unintentionally, and harms users and computers. They can expire to other computers.
Computers can get by: a fake install, (fake updates), security backdoor getting in with any permission.one it in it can steal or delete any file, control programs, or remote operation of the computer.
Hackers can take over millions of computers worldwide, and use them as a digital army to take down websites
This attack is called a distributed denial of service, and It happens when a hacker overwhel a website with too many requests
Other tea unique is called the phishing scam. This is when you think you receive a trustworthy email, and turns out to be a hacker that tricks you to get your information.
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