Sylvia Johnigk (secucat) started as an IT Security researcher in GMD (now part of Fraunhofer) and worked several years as an Information Security Officer in a big financial institute. Since 2009 she works self employed as an IT security consultant for large companies.

She also works for FIfF e.V., a non profit NGO of IT professionals enganging for peace and social responsibility issues raised from the IT business and technologies, that is amongst others: information warfare, privacy/surveilllance and security aspects.