Sécurité informatique Richard Stiennon publishes Security Yearbook 2020, covers the history of the IT security industry – Help Net Security février 18, 2020 Richard Stiennon, announced the release of “Security Yearbook 2020: A History and Directory of the IT Security Industry.” Source : Richard Stiennon publishes Security Yearbook 2020, covers the history of the IT security industry – Help Net Security