INTERNET SECURITY PROFESSIONAL ENGLISH IN USE FOR COMPUTER

 

PROFESSIONAL ENGLISH IN USE FOR COMPUTER 26.INTERNET SECURITY

 

A Internet crime The internet provides a wide variety of opportunities for communication and development, but unfortunately it also has its dark side. Crackers, or black-hat hackers, are computer criminals who use technology to perform a variety of crimes: virus propagation, fraud, intellectual property theft, etc. Internet-based crimes include scam, email fraud to obtain money or valuables, and phishing, bank fraud, to get banking information such as passwords of Internet bank accounts or credit card details. Both crimes use emails or websites that look like those of real organizations. B Malware: viruses, worms, Trojans and spyware Malware (malicious software) is software created to damage or alter the computer data or its operations. There are main  types: ·           Viruses are programs that spread by attaching themselves to executable files or documents. When the infected program is run, the virus propagates to other files or programs on the computer. Some viruses are designed to work at a particular time or on a specific date, e.g. on Friday 13th. An email virus spreads by sending a copy of itself to everyone in an email address book. C Preventative tips ·           Don’t open email attachments from unknown people: always take note of the file extension. ·           Run and update antivirus programs, e.g. virus scanners. ·           Install a firewall, a program designed to prevent spyware from gaining access to the internal network.     EXERCISES 26.1 1. Crackers try to find a way to copy the latest game or computer program. 2. A study has revealed that half a million people will automatically open an email they believe to be from their bank and happily send off all their security details. 26.2 Fill in the gaps in these security tips with words from the box. digital certificate malware virus scanner spyware firewall antivirus

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