Charles Villanueva manages a “gigantic Cybersecurity Conference Directory which lists nearly a thousand events” – and this is truly incredible. So if you feel you can’t keep up with all the conferences, you are probably not alone. His URL is https://infosec-conferences.com/
The Quello Center is involved in a number of cybersecurity projects, including Oxford Martin’s Global Cyber Security Capacity Building Center at the University of Oxford. See: http://www.oxfordmartin.ox.ac.uk/cybersecurity