Minggu, 22 September 2013

Cybercrime


Nowadays, there are a lot of criminal acts did by people. Not only in the real life, but also in cyberspace. People call the criminal acts in cyberspace as Cyber Crime. Then, what is Cyber Crime, actually?

I'll show you what Cyber Crime is and it's case...

What is Cyber Crime?

Cyber crime is a criminal act did by someone using computer technology as the main crime, including internet.


How many kinds of Cyber Crime?

There are a lot of cyber crime's kinds. For instance, carding; hacking; cracking; defacing; phising; spamming, malware, etc. But right now, I'm going to tell you only 2 of them, they are spamming and malware.
  1. Spamming

     

     

     

     

     

     

     

    Spamming is one of cyber crimes did through electronic mail (e-mail), where the criminal sends a suspicious message through e-mail to the victim. The criminal called spammer, meanwhile the suspicious message called junk mail.
    Junk mail usually contains viruses that could attack victim's computer. That is why, there's Spam in e-mail so the junk mail could be thrown away directly and would not attack victim's computer. But nowadays, junk mails do not only contain viruses, but also some suspicious advertisements and news that could cheat and make disadvantage for the victim.
  2. Malware

     

     

     

     

    Malware is a program made for breaking a software or operating system. Malware could be in the form of virus, worm, wabbit, key logger, browser hijacker, trojan horse, spyware, backdoor, dialer, exploit and rootkit.
  • Virus is made for breaking files data in computer.
  • Worm is made for attacking operating system in computer, caused antivirus system in the computer become non-active.
  • Wabbit is made for slowing down computer's working system.
  • Key logger is made for recording someone's password account when he/she typed it on keyboard.
  • Browser hijacker is made for bothering browser application in computer.
  • Spyware is made for snooping a user activity in using computer without his/her knowledge.
  • Trojan horse is made for activating virus, worm and spyware.
  • Backdoor is made for bothering computer net.
  • Dialer is made for connecting computer to the internet for sending data that has been captured by spyware or key logger to another person, but your computer does not connect to the internet.
  • Exploit is made for attacking antivirus in computer that has weakened.
  • Rootkit is made for deleting malware's track from a computer.

Now, let's check one of the Cyber Crime case...




Is there any solutions to prevent from Cyber Crime?

Yes, there are some solutions to prevent ourselves from cyber crime.
Here some tips you can practice:
  1. Make the strongest password in all of your accounts.
  2. Activate your antivirus software (it's better to use strong antivirus software, such as Bitdefender; Kaspersky; Norton; etc.).
  3. Make sure your social media profiles (e.g. Facebook, Twitter, etc.) are set to private. 
  4. Download applications from trusted sources.
  5. Update applications and operating system in your computer.
  6. Never reply to emails that ask you to verify your information or confirm your user ID or password.
  7. Be cautious when giving out your personal information on the Internet.

Sources:

http://roniamardi.wordpress.com/
http://indochaters.hexat.com/
http://www.rcmp-grc.gc.ca/


 

 


 

Minggu, 08 September 2013

Web Browsers Comparison


Web browser is a programme to search anything you want by using internet connection. It could be in the form of text, picture, music, or even video. Nowadays, there are a lot of web browsers. For instance Mozilla Firefox, Google Chrome, Internet Explorer, Opera, and Safari.

Now, let's see Mozilla Firefox compare to Google Chrome.

Mozilla Firefox vs Google Chrome



Google Chrome

The superiority of Google Chrome:
  1. Google Chrome could load web page faster than Mozilla Firefox
  2. Google Chrome has simple design web page, so it won't make user confuse
  3. Google Chrome is completed by automatically translator
  4. Google Chrome has personal setting for every user
  5. In Google Chrome, if there's one tab crashes, the other tabs won't also crash
  6. In Google Chrome, user could enjoy Flash Player automatically without current installation in computer
  7. Google Chrome is available in a lot of languages (include Indonesian)

The weakness of Google Chrome:
  1. In Google Chrome, sometimes the web page showing could error
  2. In Google Chrome, when user moves to the new tab, the previous tab is hard to open
  3. Google Chrome could only show the last web page if it has been connected to the internet

Mozilla Firefox


The superiority of Mozilla Firefox:
  1. Mozilla Firefox is supported by a lot of additional applications
  2. In Mozilla Firefox, web page design could be change more easy
  3. Mozilla Firefox could show the last tab without any internet connection

The weakness Mozilla Firefox:
  1. Mozilla Firefox often has crash
  2. Mozilla Firefox needs more treatments, such as supporting applications updating
  3. In Mozilla Firefox, if there's one tab crashes then other tabs could crash too
  4. Mozilla Firefox doesn't support tools (such as Flash Player) automatically


Source:
http://top10onformasi.blogspot.com/
http://masarulnasgor.wordpress.com/
http://rahma099c.blogspot.com/

Minggu, 01 September 2013

How Search Engine could Get Profit?

How Search Engine could Get Profit?

Search engine is an application that is used by people to search lots of informations. Search engine would connect what people search to to some links that would be useful for the people (user) by using internet connection. Search engine works by saving databases in internet, then they would be showed as the keywords that is typed by user. The example of search engines are Google, Bing, Yahoo, and Ask.

Then, how search engine get profit?
Search engine could get profit from their advertisement providing or known as 'Targetted Advertising.' In fact, Google, one of search engine could get $6,2 billion idd005. Which $6.0 billion came from advertisement, so it was about 96% from the total.

Advertisement also include sponsored link, it is a link that has the first position on the list. Every link clicking costs $0.50 cents. If 15 persons click on the same link, it has given profit to the search engine. Meanwhile for the 4%, it comes from the search engine's applications. For instance, Google made Gmail; Google Translate; Google Map; Google Play; Google News; Google Plus; etc that could give about 4% profit for the search engine. That's really a big profit, isn't it?

Source:
dyahayuni.wordpress.com/2008/04/17/bagaimana-google-bisa-mendapatkan-begitu-banyak-uangnya/