Computer Crimes
Wednesday, 23 January 2013
Phishing
Phishing
is another type of the most common computer crime, this type of computer crime
is old school crime, it is an attempt to gather sensitive information by
masquerading a trust website. The following website screen cut is high quality
masquerading facebook website:
Firstly,
from above picture, the URL is fake, because the real facebook does not use
facebook-team.com as their URL, it uses facebook.com. Secondly, facebook does
not acquire users’ real email password. Therefore, leave this page for sure, do
not provide any information to this kind of website, must be aware.
There
are certain thing should be aware for a website:
1. URL for the website
2. Content of the website,
if one website acquire user’s outside of this website account, leave the
website
3. Never enter personal
information in pop-ups.
4. Never enter personal
information in unsecured website
Phishing
can also be in other form to acquire users information. Firstly, email can be
one of the ways to spread phishing. Secondly, face time also become a type of
phishing, some offenders will record users video or voice to acquire
information.
Here
are some solutions to prevent been phishing:
·
Turn
on against unrecognized email option
·
Communicate
personal information only on phone or secured websites
·
Click
on unknown links are highly dangerous
·
Do
not communicate personal information or financial information via email
·
Install
anti-viruses, spam filter
·
Check
online banking and other financial account statements
DDoS (denial-of-service attacks)
Distributed
Denial of Service is a type of DoS attack. It is a new type of computer crime
which makes a machine or network resource not available to its intend users. A
DoS attack can also disruption of configuration information, disruption of
physical network components and also state information (DDoShelp.com).
The
most common DDoS attack appears in online game application. Many game players have been attack by DDoS.
Sometime, they lose important matches because of DDoS and lose their rating or
rank. According to MMA-Champion, DDoS attack is mainly target your IP-address
and disrupt every information that connect to the IP-address and also ICMP
flooding via ping requests, it is very difficult to defend against a DDoS
attack,but there are some solution to prevent DDoS:
·
An
effective defense against an HTTP flood can be the deployment of a reverse
proxy
·
Update
gateway, servers, switches and firewall would protect from DDoS attack
·
Change
IP-address
·
Use
IP agent to transfer IP-address to different country such as Lowerping,
Wowtunnel
Malware
Malware
refers to malicious software, which it is intent to disrupt computer operation,
gather sensitive information or gain access to private computer. Malware
includes worms, Trojan horses, and any other forms of computer viruses. Malware
was very popular few years ago; the deadly computer viruses have spread all
over the world. In 2009, the most dangerous virus has been created called Conficker
Virus, it designed as a worm that spread million of Windows computer around the
world, creating a massive botnet army of remotely controlled computers capable
of stealing financial data and other information (smithsonianmag.com). Many
users have been affect by this virus, and it is also confound security expert
in nowadays.
There
are lots of solutions to prevent or defense from general malware attacks, from
users perspective, users can do (Malware help):
·
Install
firewall
·
Install
anti-virus software
·
Update
anti-virus patches
·
Update
windows patches
·
Secure
the browser
·
Secure
the email client
·
Activate
Real-time spyware protection
·
Use
SpywareBlaster
·
Backup
files to other device such as USB
·
Do
not plug any suspicious device (unfamiliar people’s USB)
These
advises can 90% prevent been attack by malware, these can be solutions for
malware affection.
Obscene or offensive content
Obscene
or offensive content is the most common to websites. It is any forms of
messages that contain racist, slanderous, sexual, offence or others content.
This type of computer crime is easy to publish and easy to spread. And they are
hardly to stop or delete because they can publish in different websites. This
type of computer crime will affect underage people mainly, if they view any of
these websites, they will change children’s brain easily, which can lead them
to a very bad attitude or even more, such as underage criminal.
The
way that can solve these problems can be government censorship which to stop
those contents before reach the Internet and spread. And also can report to the ACMA (the
Australian communications and Media Authority) if users discover an obscene or
offensive content website, which the website will affect to others.
From
user perspective, here are some solutions for users to deal with these
problems:
1. Use a filter to block
obscene or offensive content
2. Report to ACMA
3. Report to the website
administration.
4. Communicate with adult
(parents) who can help
5. If website warning under
18, leave the page
Fraud and identity theft
Fraud
and identity theft are also a major section in computer crime, which affect
society healthiness of Internet using. Firstly, in recent years, fraud/identity
theft cases increase rapid, one of the factors that leading fraud increases is
expand on social Media and online commercial. Such as facebook, twitter, ebay
and etc.
Australian
Payments Clearing Association makes the following statistics, which shows the
recent trend on fraud in Australia:
From
above result, the money fraud every year is massive, which need to be solved
that can protect Australian users healthiness from surfing the Internet.
Here
are some solutions, which can prevent or protect from been fraud or identity
theft: (Appendix C, theNewYorkTimes & morganStanley SmithBarney)
Prevent
fraud:
·
Do
not give any your personal information to unfamiliar person or people
·
Strong
passwords (such as A21sEew2!eQ)
·
Change
passwords every month or two months
·
Do
not go in suspicious website
·
Aware
scam emails
·
Do
not reply any personal information on Email
·
Be
aware, clicking links
Prevent
identity theft:
·
Review
monthly statements check with financial account
·
Review
credit reports
·
Keep
important personal information or privacy in safe place
·
Do
not care social security card in your wallet
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