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Thread: How to secure wi-fi seeded from an Android device to an Ubuntu laptop

  1. #1
    Join Date
    Apr 2017
    Beans
    42
    Distro
    Ubuntu Mate 20.04 Focal Fossa

    How to secure wi-fi seeded from an Android device to an Ubuntu laptop

    I use wifi seeded from an Android Samsung phone via hotspot to an Ubuntu laptop
    and may need to make some payments via this wifi connection. I never make payments
    via smartphone wifi, becasue I think that Android's (or my specific smartphone's) security is crappy.

    How can I secure the Android wi-fi connection used by Ubuntu?
    Or how to check and secure the Android phone itself?

    I was thinking to install a VPN server on an Ubuntu machine hosted by upcloud.com,
    as recommended by Average Linux User. But it is unclear how to use it for wifi connection
    and Android. Then another Linux user told that VPNs are mainly useful for internet access
    in public wifi hotspots like hotels and airports. Do I need a VPN in this case?

    I have another Xiaomi Redmi smartphone with some "second space" functionality
    for security, but also rarely use wifi via it, because it closes an email opened in the browser
    which I need to be opened constatnly. Maybe it's better than Android?
    Last edited by smith73; June 20th, 2021 at 09:50 PM. Reason: info

  2. #2
    Join Date
    Mar 2010
    Location
    Squidbilly-Land
    Beans
    Hidden!
    Distro
    Ubuntu

    Re: How to secure wi-fi seeded from an Android device to an Ubuntu laptop

    All wifi is non-secure. We learned that a few months ago. Every wifi standard from 1998 including wifi-6 have security problems. That means the only way to secure wifi is to use a VPN, network authentication via a Radius server is not sufficient.

    I've had my home wifi on a different subnet for about 15 yrs and used a vpn to cross into the more secured wired subnet most of this time. All the IoT stuff sits on the non-secure network. It cannot be trusted. That includes all tablets and phones. VPN or they don't get a connection to any sensitive stuff. A wifi only laptop has to use a VPN just like android devices too. Never trust wifi.

    https://www.consumer.ftc.gov/article...wi-fi-networks
    https://arstechnica.com/gadgets/2021...-remote-hacks/
    https://scitechdaily.com/new-vulnera...rity-revealed/

    Be careful out there.
    Last edited by TheFu; June 21st, 2021 at 12:56 AM.

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