Tomáš Flídr co-founded the National Cybersecurity Centre (NCKB) in 2012 as part of the National Security Office. He focused in particular on drafting legislation on cybersecurity in the Czech Republic (Cybersecurity Act) and in the EU (Directive on Network and Information Security) as well as international cooperation in this area. At the same time he was a member of the Board of Directors of the European Union Agency for Network and Information Security (ENISA).
Since 2013 Tomáš Flídr has been the director of Menier s.r.o., a company providing cybernetic security services and products primarily to Czech public administration. He is the administrator and main contributor of the Kyberbezpečnost.cz server. He has been actively involved in public debates on cybernetic security, online privacy protection and human rights, and international law enforcement in cyberspace. In December 2014, he was appointed the cybernetic security coordinator at the Ministry of Foreign Affairs.