To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video
疫情期間，我們經常要網上學習。有時候，我們需要使用公眾Wi-Fi來登入帳戶，但公眾Wi-Fi是否安全？!
Copy and paste the HTML code from the box below into Wordpress or other website platform.
If it ends up displaying the code on your website rather than the video you may need to use paste into Text mode rather than Visual mode.
Logins are currently disabled.
