Trò chơi

  You can download..................from the Net; this type of software is available free of charge but protected by copyright.

• Freeware

• Hacker

• Malware

• Crackers

  Users have to enter a....................to gain access to a network

• Malware

• Passwords

• Spyware

• Viruses

  Most ...............is designed to obtain personal information without the user's permission

• Spyware

• Freeware

• Malware

• Software

.................can infect your files and corrupt your hard drive.

• Cracker

• Viruses

• Trojans

• SSL

There are many benefits from an open system like the Internet, but one of the risks is that we are often exposed to _____ , who break into computer systems just for fun, to steal information, or to spread viruses (see note below)

• Cookies

• Hackers

• Cracker

• Viruses

The only way to protect a message is to put it in a sort of virtual envelope - that is, to encode it with some form of_________

• Encryption

• Freeware

• Decryption

• Spyware

Mozilla Firefox displays a lock when the website is secure and allows you to disable or delete _____ - small files placed on your hard drive by web servers so that they can recognize your PC when you return to their site

• Cookies

• infected disc

• Encryption

• intruders

If you use online banking services, make sure they use _____ - files that are like digital identification cards and that identify users and web servers

• Obtains

• digital certificates

• infected disc

•     intruders

Remember to update your _____ as often as possible, since new viruses are being created all the time

• Viruses

• anti-virus software

• disguised

• infected disc     

  _____ are programs designed to infiltrate or damage your computer, for example viruses, worms, Trojans and spyware

• Malware

• Software 

• Freeware

• Spyware