write a short note on worms and spyware
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Worms
A computer worm infiltrates your computer when you download a file or an email. The worm then clones itself and attacks other devices on your network. The worm will infect your files, and will spread to the computers of people who you communicate with, in the same way that it infiltrated your computer
Spyware
In most cases, « Spyware » installs itself on your computer in the same way as a Trojan horse does. Spyware spies on everything you do: paying your bills online, watching online videos, using Facebook, etc. It compiles this information and sends it to a database that then affects your web browsing. Depending on your preferences and your browsing history, the database will suggest « promotional offers » or other scams. Spyware can also download and install viruses on your computer or open « pop-up » when you are surfing the web.