1. Be careful of em-mail attachments
One of the most common ways to threaten your internet security is to open an e-mail attachment that contains a virus. Sometimes, just clicking on the attachment itself will unleash the virus. If you receive an email from someone that you don't know and it contains an attachment, don't open it just to be on the safe side. You can always send a message to that person to verify that the email is legitimate. It's best to invest in an anti virus software program that can scan the attachment before you open it. Some e-mail systems will scan emails for you. However, if you go through a free program (like hotmail) don't count on the system being as complete as an email account that you pay for.
2. Anti-virus software
You must invest in anti-virus software. It is one of the most important things for your computer. In addition to keeping you safe from viruses, it can also scan your hard drive and clear out unnecessary information, thus making your computer run more efficiently as well. Anti-virus software programs are everywhere but it helps to do some research before investing in one. With some of them, you have to update them and pay again every year.
3. Update security patches for your browser On Windows, you can go to “Windows Update” under the “Start” menu it will update security patches for you. This is necessary because holes are formed on the Internet frequently and while you might be protected this week, that doesn't guarantee that you will be next week.
4. Protect your passwords
While it is easier to use your same password, or a variation of it, for all of your accounts, it is safer not to do so. When forming your password, it is better to use a combination of letters and numbers. Also, never give your password out to anyone and resist the urge to store them on your computer. From time to time, change your password on your important accounts that contain personal information or financial information for added internet security.
5. Install a firewall.
A firewall blocks unwanted access to your computer. Some systems, like Windows Vista, have firewalls built into them. You can also download others.
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