The bad news – if you were hoping to attend – is the Winter Olympics in Beijing has banned virtually all spectators. The good news is that means you won't have to download the official Olympics app, which is said to contain multiple security holes that authorities won't fix. The University of Toronto's Citizen Lab says personal data such as medical and passport details can be hacked, server responses can be spoofed, and encryption on audio and file transfers can be easily sidestepped. Athletes are required to install the My2022 app at least 14 days before they arrive in Beijing,…