GCSE ICT

1
ltGCSE ICTgt ltINTERNET SECURITYgt
HaCkInG
2
What Is Hacking

• Hacking is the process of gaining entry to
  another computer or server without the owners
  permission.
• When a hacker gains entry to your computer they
  can execute commands forcing the effected unit to
  become damaged.

3
Is It Illegal

• YES!!!! Hacking is illegal here in the UK
  .Although hacking is constantly taking place only
  some of it is dangerous- the same techniques uses
  by your systems administrator are implemented by
  hackers.
• The punishments range from fines of 2000 to
  jail sentences which can be up to 10 years for
  serious offences.

4
Why do it?

• Depending on who you ask you will get a
  different answer- some do it for fun and gain
  permission to access systems others maliciously
  attack corporate computers simply to corrupt and
  delete data.
• However some governments- Most recently the
  Russians have used hacking as a means of spying
  and gaining intelligence about the UK and USA

5

How The Internet Works.
The application layer is where a program prepares
the data to be sent and prepares the network
connections ect.
4) Application layer
3) Transport layer
The transport layer is when the computer begins
to disassemble the files into packets ready to
be sent.
2) Internet layer
The internet layer is the actual transfer of the
file through cyber-space.
1) Network Access layer
The network access layer is where the file gains
access to the receiving computer.
6
Viruses

• Viruses are programs created with the intent
  of performing a task on a remote computer- the
  majority of modern viruses just beam information
  back to a server about your computer activities
  however some use their viruses to force you to
  access their servers which they can charge
  without you knowing.

7
Protecting Your PC

• Protection from the world of hacking fairly
  straight forward- most people now are hidden
  behind a series of measures called firewalls a
  firewall is a piece of software or hardware that
  blocks access to certain behaviours and protects
  your computer from hacking activity found on the
  WWW.