September 2018 1 19 Report

Opuść nawiasy i przeprowadz redukcje wyrazow podobnych2(2x-3)^2-(x-3)(3+x)=
(3-2x)^2-2(x+4)(4-x)=


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Potrzebuje tłumaczenie tego tekstu na język polski. Nie chodzi mi o skopiowanie tego do translatora tylko o dobre tłumaczenie. A) Attack and defence Melissa Vorster is a consultant on internet security: 'I work with companies to try to prevent hackers from infiltrating - illegally prenetrating - the companies' computer system in order to steal or destroy the information on them. Hackers may write programs designed to overload an organization's system with requests for information so that users cannot access it. This is a denial of service attack, and it causes huge inconvenience for customers and lost bussines for companies. 'Another problem is viruses. A virus is a small program designed to make computers malfunction, despite the firewalls and anti-virus programs that we install as the technical defences to prevent computers. Virus programs designed to do this are Trojan horses. These are just some examples of malicious software or malware. ' Cybercrime is criminal activity on the Internet. Companies that sell goods and services over the Internet need to reassure customers that their credit card details will not be stonel by cybercriminals. Confidential information is encrypted or coded so that it cannot be read by others. Companies that sell on the internet will display the level of encryption that users of their site benefit from. Internet bank accounts are protected by passwords. Phishing is when criminals try to obtain this infromation by sending emails that pretend to be from someone's bank, telling then to reconfrim theri security details - passwords, etc. - and allowing criminals access to the account. Or thery may manage to put spyware on your computer that records passwords, etc. as you type them. This is identity theft. 'You mioght get an email telling you that you have won a lottery or that someone's uncle has died and left money that you can claim. These, of course, are scam's.
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