2013 – 2018 Estonian Ministry of Defense, chief cyber security specialist
The main tasks of Mihkel were the accreditation of classified information handling systems; reviewing documentation, reviewing controls, and evaluating the outcome of previous steps to finalize the decision and identify the necessary corrective actions; providing system owners advice on information security, accreditation and system design; Participation in various international working groups dealing with information security and accreditation of multilateral and international systems; auditing different systems, assessing compliance of systems with NATO and EU legislation and requirements.
2010 – 2013 Estonian Air Force, information security officer
The main tasks of Mihkel were to advise system users on information security and manage security incidents; system security documentation development; preparation and implementation of risk assessments and risk management plans; implementation of TEMPEST measures and problem solving.