Database security in cloud

Hello...

I have a database and web server and i need to host them in the cloud, each on a sparate server.

What is the most secure scenario I can get from the could to host eh DB? it is critical and needed to be secure.

Thanks in advance!
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Suliman Abu KharroubIT Consultant Asked:
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Aneesh RetnakaranDatabase AdministratorCommented:
Hosting on cloud is like hosting on a single VM server which is dedicated to your application
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Suliman Abu KharroubIT Consultant Author Commented:
Thank you for your input...

So, is it secure to host eh DB on the cloud ? like EC2.

Do I have an options to a security  layer on the could ?
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Schnell SolutionsSystems Infrastructure EngineerCommented:
The security is going to be tied to the provider giving you the cloud solution. For example Microsoft is a very trusted company, they have a service called "Azure", you can search about it. The idea with this service is that you can rent virtual machines in the cloud with a very high availability and security
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Suliman Abu KharroubIT Consultant Author Commented:
I am reading about it...

Thanks again.
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shalomcCTOCommented:
there are 2 basic security areas that make a cloud based database different from an on-site db.

The first one is involving the providers' personnel and infractructure. You want a hosting provider/ cloud provider that adheres to strict security regulations like ISO 27001 or equivalent.

The other one is about the tools, like firewalls,  that you get to secure access to your database. For example, can you manage network access from the internet and the datacenter and limit it only to what you define?

EC2 meets both requirements, and so does Azure.
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Suliman Abu KharroubIT Consultant Author Commented:
Thanks all!
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Suliman Abu KharroubIT Consultant Author Commented:
Dears,

Can someone help me to understand one more question: what will happen for the DB instance and web instance when the physical or virtual machine require restart for windows update installation ? it will reboot automatically ? and how often ?


If its necessary to post this question on a new tried please advise.

Thanks all,
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shalomcCTOCommented:
Please post a new question.

It production environments, it is not recommended to define windows update on autopilot.
The decision of when to update should be a conscious decision.

Being in the cloud really simplifies life for updating and patching. Remember, a new server instance costs very little to test for a few hours.
You should have an up to date images of your servers, so you just fire up a new instance of your application, patch it, test it, create a patched image, and roll over with very little disruption. If you have load balancers (like Amazon ELB) you can have zero disruption.

Microsoft has Azure SQL and amazon has RDS which are Databases as a Service that are maintained updated and patched by the vendor, so look into them too.
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