Re: How to prevent zero day attacks

[Stephanus J Alex Taidri <securityfocus.ae () taidri com>]

Seconded to Rob....

Limit the OS to run with least privilege as possible instead of
granting administrator access to normal user.
This is common for Linux OS, Mac OS and Windows 7 onwards to have apps
running with normal user privilege and required User Access Control
(UAC) to confirmed any changes that required root/admin privilege.

Train the end-users to not simply ignore any UAC pop-up window(s), to
read carefully and understand it well before accepting the action
requested. If in doubt, always train end-users to choose No/Reject as
usually there's less harm to do this.

Kind regards,
SJ Alex Taidri

On Tue, May 22, 2012 at 11:10 PM, <synja () synfulvisions com> wrote:
> A layered security model.
>
> If browsers are run as limited users, and you set ACLs on the temp folders
> to deny execute permission, etc... You've just prevented most 0day malware.
>
> Compartmentalization of services limits the scope of compromise. You can
> limit the priveleges of older software by running their services as
> NetworkService or LocalService instead of LocalSystem.
>
> There are thousands of ways, but you need to define a scope and
> environment.
>
> Rob

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