https://www.reuters.com/article/us-health-coronavirus-videoconferencing/explainer-zoom-bombs-make-choosing-video-apps-harder-for-lockdown-chats-idUSKBN2222M0

The coronavirus crisis has seen millions locked in their homes turn to videoconferencing apps, bringing with it question marks over security and privacy and a new verb - Zoombombing - the practice of uninvited users crashing into conversations.