[WEB SECURITY] SQL injection and N tier Architecture

[Infosec]

I know SQL injection is code issue.

The purpose of my question is, why three tiers is more secure than two tiers?
What three-tier will protected me from?

Than you all.


On Feb 5, 2013, at 3:51 AM, Jim Manico <jim at manico.net> wrote:

> I second that notion.
> 
> https://www.owasp.org/index.php/Query_Parameterization_Cheat_Sheet
> 
> - Jim
> 
>> You are barking up the wrong tree. SQL injection is a coding issue, tell your devs to use parameterized queries.
>> 
>> -phil
>> @bsdwiz
>> 
>> On Feb 4, 2013, at 4:56 PM, Infosec <infosecm at gmail.com> wrote:
>> 
>>> Hello,
>>> 
>>> I need to know how the different architecture will effect on application security.
>>> For example:
>>> 
>>> A. Web server and Database server
>>> B. web server , Application server and Database server
>>> 
>>> How much the above architectures secure from SQL injection?
>>> 
>>> I know multi-tier is more secure, but I need more explination.
>>> Multi-tier is more secure, but still doesn't prevent SQL injection, isn't?
>>> 
>>> 
>>> Regards,
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>