'Good Enough' Security: Network Security on a Shoestring Budget
Beth Cohen presents principles of 'good enough' computer security that might not prevent a massive targeted attack, but that will prevent 90% of your problems while keeping your finance department happy and your job secure.
A major ISP has been having problems with its customers' anti-spam filters because they are set too high and too much legitimate mail is being bounced. A couple of months ago the company had a major reduction in force, and they eliminated the department responsible for maintaining the filter software, which means it might be a very long time before the filters will be fixed. What can a computer manager do when this happens?
Your company CEO has been reading the trade press again. How can you tell? He has just told you that you need to beef up all of the company's computer security. Oh, and by the way, your budget is being squeezed once more, which means that you'll have to do it without any additional money, again. Sigh. Is there anything you can do to address the security concerns while not blowing the precious IT budget?
As you can probably tell by now, the topic for this column is computer security on a shoestring budget. What all these stories have in common is that there's NEVER enough time, money, or resources to fix all your computer security problems, but that doesn't mean you should just give up and open your company to the world. Fortunately, there are things you can do that will prevent 90% of your security problems without costing you loads of money or resources. Let's first discuss the major threats to watch for and then move on to covering several things you MUST do to minimize your risk of attack.