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The Attorney's Office Tools Te other direction for network security is internal.


When you or your employees browse the web, read emails, connect to other sites, or share data, there is potential for viruses, spyware, and malware to infect PCs. Fortunately, there are many inexpensive software packages out there that can prevent and repair infections. Tey also update themselves if configured properly and support is renewed, making management of internal security very simple. Tere are other security issues to keep in mind. Spam


is obviously becoming a major problem as email traffic has increased. Nobody knows exactly how much of all email is spam, but I have heard estimates as high as 80%.If you have recently used an email account that is not protected by a spam filter, you probably found it to be almost unusable due to the amount of junk in your inbox. If you already have to deal with 200 legitimate emails in a day, another 800 messages that are spam can make the management of your inbox impossible. Most hosted email accounts include a spam filter, but if you host your own email (like with Microsoft Exchange), you should look into an inexpensive spam filtering solution in order to protect yourself. Some might not consider it security, but there are


network appliances out there that can filter and report on web browsing. Even if you are not concerned about productivity losses from employees using the web for personal use, there is a potential security hazard by allowing employees to go to


any website. Simply navigating to or visiting some websites can infect a machine with nasty software. Tere are a number of other security concerns to keep


in mind as well, and security is one of the most important items I look at when evaluating a network. While there is no foolproof security solution for protecting your network, prudent design can drastically reduce the chances of damage to your network from a security loophole.


Backups and Disaster Recovery Even the best network design can fail due to a number


of factors beyond your control. Fire, flood, physical sabotage, and even simple hardware failure can cause you to lose your servers in a matter of minutes. Having a good backup and/ or disaster recovery solution in place can help you deal with these issues so that you can get up and running again. At minimum, every organization that has data to be


protected should have a daily backup of all of the information vital to day to day operations. Most places use a rotation, so perhaps they use 5 tapes (representing Monday through Friday) to do a different backup every day. Te reason for this is sometimes data can be corrupted and nobody will notice for a few days until other issues appear. So if data is corrupted on a Tuesday, and you don’t notice until Tursday, you can roll back to Monday’s backup. I usually recommend a secondary offsite backup to


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