hacking?

What is hacking?
¤Hacking is gaining access to a system/network without the owners permission.
Who is hacker?
¤Person who gains access to a system/network without owners permission.
After gaining access hacker
¤can copy files/data
¤can modify data
¤can steal data
¤can copy virus files
¤can spoil our data

¤¤¤depends on hacker aim

 What Do Hackers Do?
¤System
~Access confidential informatiom
~Threaten someone from YOUR computer
~Broadcast your confidential letters or materials
~Store illegal or espionage material
¤Network
~Eavesdrop and replay
~Imposer: server/client
~Modify data/stream
~Denial of service