Access to Zoom sessions (week 9-13) is possible with the following info:
Direct link: https://cesnet.zoom.us/j/96944698149?pwd=L1dkZDBwNWI3eUp5VlBTUjFDSnBCUT09
Meeting ID: 969 4469 8149
Passcode: intsec20
Sessions will take place on Tuesdays, 16:00-17:40.