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Isolated security zones yield stronger network protection
At the other company, I discovered that vast majority of the network traffic was malicious. If you're looking for malware to experiment with, this place was your dream. Still, even within the same VLAN segment, no one was infected. Even though the company had hundreds of bug-spewing workstations, none of them could talk to anyone else or even each other. While the network was the dirtiest I've ever come across, 99 percent of its production systems remained unaffected.
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