| The whole meaning of networking is to share | | | | access.Internal network security threats are those that |
| programs, but granting others to access a computer | | | | come from within the organization, as opposed to |
| device reveals an open window for those with foul | | | | those that come through the Internet. Internal threats |
| motives, too. In the early days networks were quite | | | | include employees who on purpose attempt to nick |
| secure because they were closed in systems, and to | | | | data or bring in viruses or attacks on the computer |
| do any harm you had to get physical access to a | | | | network. Other internal threats are posed by outside |
| server wired to the LAN. Remote access and Internet | | | | employees (contract workers, janitorial services and |
| possibility to hook up has changed that. Broader | | | | people posing as utility company employees) who |
| availableness and less cost of broadband (DSL and | | | | have physical access to the LAN computers. Though, |
| cable) connections means that even home computers | | | | many internal threats are unintended. Employees may |
| remain linked up to the Internet round-the-clock, which | | | | install or use their own software or hardware for a |
| add the chances for hackers to gain access to | | | | private purpose, unaware that it poses a security |
| computers.Computer operating systems were originally | | | | threat to their computers and the complete |
| planned for stand-alone computers only, not | | | | network.External security threats are those that come |
| networked ones, and security was not an issue. When | | | | from outside the LAN, typically from the Internet. |
| computer networking became known, applications and | | | | These threats are the ones we usually think of when |
| operating systems concentrated on easy accessibility | | | | we talk about hackers and computer network attacks. |
| rather than security. Because of this earlier focus on | | | | Such people can make use of flaws and |
| accessibility; security are now retrofitted into a lot of | | | | characteristics of computer operating systems and |
| hardware systems. Modern operating systems such | | | | software applications. They take advantage of the |
| as Windows XP are planned with security in mind, but | | | | way various network communications protocols work |
| they still have to operate using conventional networking | | | | to do a range of things, including the following: |
| protocols, which can result in security problems.Security | | | | Enter a system and access (read, copy, change or |
| versus access. The users want easy access to | | | | delete) its data. |
| network resources. Administrators want to remain the | | | | Break down a system and harm or destroy operating |
| network secure. These two goals are at odds, | | | | system and application files so they do not work |
| because access and security are always on conflicting | | | | anymore. |
| ends of the scale; the more you have of one, the less | | | | Install virus and worms that can spread to other |
| you have of the other.For business computer | | | | systems across the LAN. |
| networks, the key is to hit a balance so that | | | | Or use the system to start attacks against other |
| employees are not annoyed by security measures, | | | | systems or other network.Huge amount of network |
| while trying to maintain a level of protection that will | | | | security information on this site. Check it out. |
| keep unauthorized individuals from getting | | | | |