1) ----- I Install any type of programs? you ------, but you ------ install programs of dubious origin because they---- enter viruses in your computer. a) must, have to, should b) can, shouldn´t, could c) should, must, have to 2) Do I ----- change my password for each of the different services? you ----- change it, but you ----- do so, for security a) can, couldn´t, must b) could, should, have to c) have to, mustn´t, should 3) Cybercriminals --------- know all the information about you. knowing only your e-mail and your password they -----access your files. a) should - must  b) don´t have - can c) can - should 4) Cybercriminals -------- access your files if you change your password periodically a) shouldn´t b) haven´t to c) couldn´t 5) You ------- use private and secure networks, so you would avoid that cybercriminals ------ access your files in public networks a) must - should b) can - must c) should - could 6) You ----- avoid being victim of cybercriminals if you don´t take the necessary security measures. You ----- be careful giving confidential information through internet. a) have to - could b) can't - must c) mustn´t - can 7) You ------ install an antivirus to prevent "trojan´s". You ------ do it easily a) mustn´t - should b) should - can c) have not - should 8) Cybercriminals ------- access your files if you take all the security measures to avoid it a) can´t b) have to c) should

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