The document discusses potential security risks like viruses, Trojans, and worms, and how an anti-virus program helps protect against these threats. It explains that the anti-virus was installed to protect the computer from being infected through hourly updates and daily scans. Trojans disguise as legitimate programs but give hackers access, while viruses replicate and spread between computers corrupting files. Worms also duplicate themselves to spread through networks. Anti-virus software can detect and delete viruses and uncover unwanted content.

1. P7 – Identify Potential
security risks
By James Bennett

2. Reason for the Installation of
the Anti-Virus
• The reason we installed the anti-virus was to help protect our
computer from being infected with viruses, Trojans, Worms
etc. The anti-virus was scheduled to perform hourly checks for
new updates for the software and a daily scan to determine if
there are any threats and if so to delete them immediately.
• If you do not have anti-virus you are at a bigger threat to
thousands of viruses compared to if you were protected and
your computer got infected the anti-virus software would be
able to detect the virus and delete it while performing it’s
daily scan.

3. Trojans
• Trojans or Trojan horses are computer malware in which the
victim downloads believing that it is a legitimate program but
it is actually a Trojan which gives a hacker unauthorized access
into the victims computer. They are not like Viruses because
they do not embed themselves into files in the computer.
• Hackers use Trojans to steal Money, passwords, credit card
information and watching the victims screen.
• Common Trojans are NetBus, Back Orifice, Zeus, Flashback
Trojan, Subseven, Y3k Remote Administration tool, Beast and
The Blackhole exploit kit.
• When downloading a file from the internet make sure your
anti-virus scans the file you are downloading to check for
Trojans.

4. Viruses
• A computer virus is a type of computer program which
duplicates itself and then goes on to spread from one
computer and then to many others. Viruses are not like
Trojans because Trojans hide their harmful content whereas
viruses make themselves known. Viruses mostly corrupt files
on the target computer. Anti-virus can pick up and delete
viruses easily, just by doing a scan it can trace and then delete
viruses. A way to get rid of Viruses on Windows is to use
System Restore which restores your computer back to a time
when it was last backed up, which at that time you computer
was not infected with the Virus.

5. Here is an example of Anti-Virus discovering unwanted content on a
Computer

6. Worms
• A computer worm is another Malware computer program
which only duplicates itself to then spread to other
computers. Some computer worms purpose is to only
replicate itself and then to spread through security breaches
in the computers on a network. A Payload worm is a worm
that increases Network Traffic, this type of worm has the
capabilities to delete files. But there are good worms such as
the Xerox PARC worm which was used to patch glitches in the
Microsoft Website.

7. This is a picture of the source code for the Morris Internet Worm