Question

What is Program Threats and Trojan horse??​

Answer 1

$\sf\large\underline{Program\:Threats}$

A program that tries to change the  behaviour of a normal process is a  common threat and is tagged a breach of  security. Program threats aim at  exploiting programs.

$\sf\large\underline{Trojan\:Horse}$

⇀ Trojan horse is a program that misuses the environment it runs in.  There is a provision for users to write códe and other users to  execute it.

⇀ Spyware is a variation of Trojan horse which tags along with a  program the user has chosen to nstall which is mostly achieved in  internet browsers using pop-up windows.

⇀ Spyware generally accompanies the innocuous looking program.

⇀ Login program is a variation of Trojan horse which fakes a login  page where the user types his id and păssword but is shown an  error message and the user is asked to retype the credentials.