Virus:-
Viruses
are malicious files that attached themselves to a host file and depend on it
for propagation across devices. Viruses do not have the capability to spread
and infect devices on their own.
A virus could
attach itself to a document file. When the infected file or document is
transferred to another device, virus also get copied.
Worms
Like virus
worms are also malicious files that cause harm to the target device, The main
difference between virus and worm is that worm have their own mechanism for
transmission and infection purpose they have ability to automatically transmit itself.
Trojans
Trojans are
malicioius files that can be best described as worms which can be used for
carrying out harmful activities on target device.The main
difference between Trojans and Worms is that Trojansrequire the user to
explicitly install them on target device.
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