Stealth Virus

Would you believe if I say this is not
entirely true?

So lets explore the world of stealth
virus & the mechanisms they use to
conceal themselves in our systems

What is a virus?
• A virus is a computer program that was written to
purposely damage computer systems .
• Initially it was a hobby, later research, now a profession.
• Frederick Cohen coined the term 'Virus'.
• Cohen's definition of virus: \"A virus is a program that is able
to infect other programs by modifying them to include a
possibly evolved copy of itself.”
• A piece of code to be called a virus should be able to
replicate itself. Along with this it can cause damage the
computer.