@article{BuckOlenbergerSchweizeretal., author = {Buck, Christoph and Olenberger, Christian and Schweizer, Andr{\´e} and V{\"o}lter, Fabiane and Eymann, Torsten}, title = {Never Trust, Always Verify: A Multivocal Literature Review on Current Knowledge and Research Gaps of Zero-Trust}, series = {Computers \& Security}, volume = {110}, journal = {Computers \& Security}, number = {2021, November}, issn = {0167-4048}, doi = {10.1016/j.cose.2021.102436}, language = {en} }