Review on a post on Internet Security

There are many cases of internet threats such as viruses attacked, hacking, cyber terrorism, spamming, etc happened around us. It was found that there are a total of 711, 912 new malicious code threats found in 2007. In total todate so far, Symantec already detected 1,122,311 malware. This showed that almost 2/3 of the malware were created in 2007 alone. On the other hand, some security firms also reported a significant increase in the number of viruses online. Moreover, A study from the research firm Gartner suggested that there is a sharp increase of identity theft related incidents since 2003, there are facts showing that there is increase in identity theft, 15 millions Americans were identity theft victims in mid 2005 - mid2006, besides, The average loss of a case of identity theft was US$ 3,257 (2006) and US$ 1,408 (2005) and Only 61% of the loss fund was recovered in 2006.

As we can see there are many cases of internet threats which happened around us, therefore we need internet security to protect our computer. What is internet security? It is basically the prevention of unauthorized access or damage to computer systems via internet access. Internet Security is very important nowadays in order to protect against the internet threats and vulnerabilities. On the other words, it involves making sure that your computer and data are safe from these dangerous software: adware, crackers, hackers, malware, spyware, trojan horses, worms, and viruses.

How to protect our computer being attack from virus? We need to install antivirus software, this software helps us to identify, neutralize or eliminate malicious software, it also used to combat a wide range of threats, including worms, phishing attacks, rootkits, trojan horses and other malware. Beside antivirus, a firewall can also help us blocks all "roads and cars" through authorized ports on our computer, thus restricting unfettered access. It function within a network is similar to firewalls with fire doors in building construction. In the former case, it is used to prevent network intrusion to the private network. In the latter case, it is intended to contain and delay structural fire from spreading to adjacent structures. In order to prevent damage by viruses and worms, users typically install antivirus software, which runs in the background on the computer, detecting any suspicious software and preventing it from running.