Author: Tom Costello

Tom Costello is a Network & Systems Technician at XR Trading LLC, where he is responsible for deploying electronic trading production infrastructure to financial market colocation datacenters worldwide. He is also a Data Systems Chief in the U.S. Marine Corps Reserve. Back in 2007 Tom checked out every cybersecurity book the Chicago Public Library had to offer, passed the Security+ while still in High School, and has since been obsessed with network security.

From the Summer 2018 Issue

Tell it to the Marines: Leadership Principles and Network Security

Author(s):

Henry J. Sienkiewicz, Faculty, Georgetown University

Tom Costello, Network & Systems Technician, XR Trading LLC

BAMCIS

It’s after-hours on a Friday. You are talking a remote employee through installing a next-generation firewall. No traffic is passing through the network and now you’re stuck on the project until it’s fixed. Weekend off-hours maintenance windows in the name of improving cybersecurity posture can be some of the most high-stress, high-risk, low-morale projects undertaken … Read more