<sigh> Thanks - I'll keep that in mind...
________________________________
From: CentOS <centos-boun...@centos.org> on behalf of Chris Adams 
<li...@cmadams.net>
Sent: Thursday, November 14, 2019 10:57 AM
To: centos@centos.org <centos@centos.org>
Subject: [EXTERNAL] Re: [CentOS] how to know when a system is compromised

Once upon a time, Leroy Tennison <le...@datavoiceint.com> said:
>  The executable could be placed on mounted read-only media

That's not as secure as you think.  Linux bind mounts can mount a file
over another file (plus there's overlay filesystems), so it's possible
to replace a binary even on a read-only device.

--
Chris Adams <li...@cmadams.net>
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Leroy Tennison
Network Information/Cyber Security Specialist
E: le...@datavoiceint.com


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