Singapore bans teachers using Zoom after hackers post obscene images on screens

‘Very serious incidents’ have forced suspension from online schools as conferencing app faces renewed questions over security

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Singapore has suspended the use of video-conferencing tool Zoom by teachers after “very serious incidents” in the first week of a coronavirus lockdown that has seen schools move to home-based learning.

One incident involved obscene images appearing on screens and male strangers making lewd comments during the streaming of a geography lesson with teenage girls, media reports said.

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