Coast Guard Cyber
U.S. Coast Guard Chief Warrant Officer DeAnna Melleby, Information Systems Security Officer for the Coast Guard Command, Control, Communication and Information Technology unit at Coast Guard Base Boston, peers through a space in a server April 20, 2017. Melleby and her team have a number countermeasures they use to keep the Coast Guard computer network secure, including a 'sniffer' program that identifies when USBs or cell phones are plugged into the system. (U.S. Coast Guard photo by Petty Officer 3rd Class Andrew Barresi)

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Photo by: Petty Officer 3rd Class Andrew Barresi |  VIRIN: 210101-D-ZZ999-0005.JPG