Find out what’s inside the January & February 2025 edition of the Journal & download a free copy of this month’s featured article
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ISSA developed the Cyber Security Career Lifecycle® (CSCL) as a means to identify with its members. ISSA members span the information security profession - from people who have yet to enter the profession to people who are entering into retirement. Realizing that the needs of its members change, as individual progress through the career, so should the services that ISSA offers.
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Katherine “Katie” Arrington is a member of the Senior Executive Serves and serves as the Chief Information Security Officer for Acquisition and Sustainment (CISO(A&S)) to the Under Secretary of Defense for Acquisition and Sustainment (USD(A&S)). In this position, she serves as the central hub and integrator within the Office of the Under Secretary of Defense for Acquisition and Sustainment (OUSD(A&S)) to align acquisition and sustainment cyber strategy
Tyler serves as the Managing Director of Network Operations at Nisos, Inc. and leads a team of high performance security professionals within the offensive security field by emulating sophisticated adversaries using the latest techniques as seen in the wild.
With over 2 decades of experience, Tyler specializes in Red Teaming, APT threat modeling, blackbox network penetration testing,and Physical/Social-Engineering. Tyler has presented at multiple conferences including BSides, DefCon and Blackhat panels, SANS security events and to multiple branches of the military. In Addition to helping teach the DarkSide-Ops and Accessing & Exploiting ICS class at Blackhat.
Tyler has helped the development of a world class offensive security capability, strategy, and programs of Offensive services at several incredible companies such as Silent Break Security, InGuardians, Inc. and now Nisos, directly shaping Offensive operations and research.
