L. Aaron Kaplan studied math and computer sciences in Vienna, Austria. Kaplan is a Unix user and programmer since 4.3BSD-Lite / FreeBSD 1.0. He has been working for major telecoms, IBM, ESA, banks and critical infrastructure industries mostly doing Unix consulting/programing since 1997. Since 2008 he works for the Austrian domain registry (".AT") where he is part of a team responsible for running the national CERT - CERT.at. There he focuses on incident handling automation on a country-wide scale. He is on the board of directors of FIRST.org since 2014