Christina Barker is the Manager of the Global Cyber Defense Team at Celonis, Inc., where she manages a global security operations center (SOC) team who is responsible for all security monitoring and incident response. Prior to her working at Celonis, Inc. Christina worked for NCC Group for five years as part of the North American Cyber Incident Response Team (NA-CIRT). She started her career with NCC Group as a Incident Response Security Consultant and eventually transitioned into the role of Practice Director of the NA-CIRT. During this time Christina worked various types of security incidents for clients and was exposed to several different technologies.     Christina is currently a member of High Technology Crime Investigation Association (HTCIA), Global Information Assurance Certification (GIAC) Advisory Board, Information Security Systems Association (ISSA), and InfraGard. She has also participated as part of the working group who put on BSides Austin and teaches security basics to children at local schools. Christina obtained her GSEC in 2008, GCFE in 2013, GCIH in 2014, and GNFA in 2017. She also participated in the SANS FOR572: Advanced Network Forensics and Analysis course in 2017, where she and her team won the course challenge and earned the SANS Lethal Forensicator Coin award.