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"I've been working within network security for around five years, ever since I became Cisco certified. With new viruses being developed all the time, this job certainly keeps you on your toes. That’s what I love about the job really. You’re constantly learning, and every day brings something different. A devastating attack could be coming at any moment, and it’s my job to keep everything up-and-running, and all systems safe. I'm like a human firewall."