virusi i protuvirusna zaštita - strukovna škola virovitica
TRANSCRIPT
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Virusi i protuvirusna zaštita
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Virusi i protuvirusna zaštita
• Današnja računala su izložena različitim vrstama “napada”.
• Nekad se zaraza širila najčešće disketama i CD-ima (računalni virusi), a danas putem interneta i USB uređaja.
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Vrste zlonamjernih programa• virusi• crvi• trojanski konji• stražnja vrata (backdoor)• špijunski softver (spyware)• lažni virusi (hoax)• phishing• socijalni inženjering
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Crvi
Računala bez najnovijih nadogradnji
Računala s dostupnimdijeljenim mapama
USB memorije i vanjski diskovi
Računala u mreži saslabim lozinkama
Računala sa sigurnim lozinkama,najnovijim nadogradnjama, antivirusnim programima i zaštićenim dijeljenim mapama su manje ugrožena
Pokušava pronaći računalakoja nisu zaštićena i zaraziti ih.
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Trojanski konj
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Stražnja vrata (backdoor)
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Vrste zlonamjernih programa• virusi• crvi• trojanski konji• stražnja vrata (backdoor)• špijunski softver (spyware)• lažni virusi (hoax)• phishing• socijalni inženjering
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Špijunski softver (Spyware)
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lažni virusi (hoax)
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Phishing
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Vrste zlonamjernih programa• virusi• crvi• trojanski konji• stražnja vrata (backdoor)• špijunski softver (spyware)• lažni virusi (hoax)• phishing• socijalni inženjering
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Mjere zaštiteantivirusni programi
programi za uklanjanje spywarea
vatrozid(firewall)
Antivirusni program može prepoznati najnovije zlonamjerne programe samo ako ima uključenu
mogućnost automatske nadogradnje