[Flounder] Smart-phone security

[Russell Coker]

On Friday, 2 August 2024 13:38:44 AEST DL Neil via Flounder wrote:
> What level of security does a smart-phone possess that my computer does not?
> 
> Responding to my protest that Internet Banking (using PC) could not
> carry-out functions that are available on 'the app' (using smart-phone),
> a teller at my bank (kindly) informed me that it was because a
> greater-level of security was possible using the latter.
> 
> True or False?
> What security facilities are available on a smart-phone that cannot be
> reproduced on a (Linux?Windows?Mac) PC?

TPM based security is a new thing on PCs and on PCs that support it they 
usually don't do anything serious with it.  Also having a PC locked down to 
SHIM (for Linux distributions) and the Windows boot loader doesn't compare to 
a phone locked down to a particular vendor's Android OS.

PCs are designed and expected to be used for any software without 
restrictions.  On phones all software is expected to be locked down and unable 
to change other software, read data from other software, etc.

Web banking involves using your web browser which can be any browser with the 
ability of the user or any app to change it's configuration or change to a 
different browser.

The upside for PCs is that PC OS support continues for many years while phones 
go out of support in as little as 2 years and are often run for many years 
without security updates.

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