What is meant by close to 75% of all viruses is contracted through friendly means?

This means that even though we believe the information is coming from a trusted source, it could still contract a virus due to someone else hacking it or the original sending not being aware of the virus.

Explanation: Just because information comes from a trusted/friendly source does not mean the information is clear of potential threats. Viruses are able to hide in information and the sending may not be aware that the virus is hiding in the information.

a.s= 230t– 110; 1500 lbc.t= 230s– 110; 1500 lbb.s= 230t+ 110; 1720 lbd.s= 199t– 110; 1280 lb

answer ingenuity;