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One of the key features of our place is a sandy beach. A few days after we moved in, we got up in the morning to find a small flock of Canada Geese on the lawn and thought what beautiful birds these were. After a few days of this, and a walk down to the beach area, our opinion of these geese headed downhill fast. We were under an intrusion attack and needed to do something about it to protect our beach from the mess that the geese were creating.
Our first attempts at intrusion protection were simple; we just ran outside waving our arms and chased the geese off the beach. They swam out on the lake a little way and then waited until we got tired and headed back inside. Within minutes, they were back. I then got the bright idea of leaving a "presence" on the beach to ward the birds off. I planted a broom on the beach and the geese did not return.... until the next day.
A friend told us that Canada Geese are afraid of owls. I search the Internet and found an inexpensive owl statue. Our owl arrived a week later and with much excited anticipation, I put it up on the beach. The next day, the geese were back huddled right around the owl.
Then, quite by accident, we found a solution that worked quite well -- a lawn sprinkler. The geese did not like it and stayed away. After using the sprinkler for a few weeks, some of the geese found that they could avoid the sprinkler. But, the sprinkler technology was clearly one that worked. The only problem with it was it required direct intervention to repel an intrusion. When we traveled away from home, we would come back and find the beach a mess. If we just left the sprinkler on all the time, the yard would get soaked and we ended up with some beach erosion. A better solution was still needed.
This year, I found a supplier who makes a motion-sensor activated sprinkler! As soon as I saw these on the Web, I bought two of them! Two weeks ago, after some early intrusions by the returning Canada Goose population, I deployed the motion-activated sprinklers. Since then, we have not seen a single goose on our lawn.
So, what does this have to do with computer intrusion protection?
Lessons learned from this exercise in our yard show me the importance of first knowing what is going on in your network. If you don't keep track, you'll never know what's going on in your yard. You could be getting attacked on a regular basis and never know it. Second, you need to find the solution that is right for you. Not every intrusion situation is going to be the same (we have neighbors two houses away who never have a problem with geese, but frequently have bears getting into their trash). Listen to recommendations from friends and associates, but do your research. In my situation, I have left the owl statue in place as a constant reminder that some solutions are just dumb. Lastly, once you have a solution, fine tune it. Don't be satisfied until you know that the solution is always working and achieving your objectives. Keep up to date on developments in technology that you might use for your situation. Stay current. If you have a software solution, keep it current as your vendor releases updates.
If you are vigilant, you will be rewarded with a clean network. In my case, I am finally looking forward to having a nice clean yard and beach area this summer. About the author:
Rich Loeber is president of Kisco Information Systems Inc. in Saranac Lake, N.Y. The company is a provider of various security products for the iSeries market. He is also a frequent contributor of technical tips about iSeries 400 security on our sister site, Search400.com. Email Rich at firstname.lastname@example.org.