Keeping Information Corralled and Virtual Predators Out [amazon_link asins=’0596527632′ template=’ProductAd’ store=’orahome-21′ marketplace=’UK’ link_id=’55d7bd9c-bcd8-11e8-9f01-cf10e0cf27e7′] ISBN: 0596527632 Pages: 455 Publisher: O’Reilly Topic: Networking Most days, modern ranchers hop into their pickups or on their horses and ride their fences. They’re checking for