6/4

*resistance in digital media(virus, open source software)

Nowadays, few people have strong capital and high technology. they have a decision many people. for example, strategies of “The Prince". Resist for this, many things
development.
Virus, electronic disturbance. That is cracker program. Virus cannot work alone.
Only meet other program, virus execute and copy itself.
Trojan horse, this is disguise other program, for to break security or damage a system.
Worm, this propagates itself over a network. Nowadays worm is used negative purpose by cracker.
Open source software, Everybody using this for free. Often Open source software is better than program that pay for use.
If don't damage other, many program is diversion. And open source software is have various good point. Only rating software exist. Maybe more problem occurrence.