Cloud computing is about hardware-based services involving computing, network and storage capacities. These services are provided on-demand, hosted by the cloud provider and can easily scale up and down.

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What are the major security concerns in cloud computing? [duplicate]

Possible Duplicate: What are security issues which are specific to cloud computing? What are the major security concerns in cloud computing? From the point of view of a user that is using ...
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203 views

Do any cloud storage system offer an append-only mode for buckets, directories, etc.?

I'm curious what cloud storage systems offer an append only mode, especially open source ones. In particular, would any cloud storage systems support the following workflow : Anonymous users may ...
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Does OpenID, SAML pose a threat to Tor's anonymity? How can I protect from a compromised .exit node?

This is a thought experiment on the interaction between Tor, OpenID and one (or more) compromised nodes in the secure path. I'm focused on how to use technology in a way that adds value to a secure ...
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5answers
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Risks with Amazon S3 and costs

I have little security knowledge and looking at image hosting for a startup: Considering S3 doesn't allow you to set a cap on costs, how likely is it that someone could flood S3 with requests for my ...
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1answer
669 views

What browsers support encryption or decryption using local certificates, or smartcard readers?

I am working on a cloud-based solution and I would like to encrypt / decrypt the data locally using either a SmartCard or local Machine certificate. I'm hoping to do this in Javascript, but may ...
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CloudFlare benefits or drawbacks

Anyone running a webserver would agree, security can be a hustle and tedious job. Recently I came across a service claiming to help with that -- CloudFlare.com. There's plenty of benefits listed on ...
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Export laws on the cloud (key size)

Do the U.S. export laws around AES-256 apply to applications hosted in the cloud?
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218 views

Can wildcard certificates hide/obscure the hostname in a TLS connection?

I'm trying to increase security for my cloud-based / multi-tenant environment. I'm considering having clients access an obscure URL such as GUID.myCloud.com. I will then respond to that guid-based ...
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Google App Engine Security

I am writing a master thesis concerning security of certain applications, and as a part of it I want to write a web app on Google App Engine and test how secure it is. Does anyone know if there was ...
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Google App Engine Security [duplicate]

Possible Duplicate: Google App Engine Security I am writing a master thesis concerning security of certain applications, and as a part of it I want to write a web app on Google App Engine ...
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3answers
2k views

Dropbox vulnerability details [closed]

Dropbox (the online cloud storage provider) was recently in the news for some security and privacy vulnerabilities. What was the problem, and what has been done to resolve it?
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1answer
769 views

iOS/Android authentication and security

Here is what I am trying to do and can anyone provide some best practice advice for authentication and security? Each user will have their own private database on the cloud. He will have his local ...
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1answer
950 views

How to operate a honeypot in the cloud?

Just finished reading "Honeypot on home network to help me learn", and the top-voted/selected answer that suggest deploying a honeypot to the cloud, but the answer does not say how to do it; also, ...
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799 views

Peer review of C# cryptography for Azure Table security

Edit: Update - I am researching how to implement AES with authentication in an efficient way for this project. If you have the time I'd appreciate your skill in finding the best implementation for ...
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1answer
802 views

How do I learn Cryptographic/Mathematical notation

I asked a question earlier where it was recommended that I describe my issue using standard cryptography notation. How do I learn this notation and how to convey my approach? How can I annotate this ...
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2answers
669 views

What is more secure: Many subdirectories, or many subdomains?

I have 3 websites that could be configured as a "VirtualApplication" in servicedefinition.csdef: www.mydomain.net/enroll www.mydomain.net/admin www.mydomain.net/ ... or I can configure them as a ...
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2answers
540 views

What CSS is considered Safe or Unsafe within a multi tenant website?

I'm reading the Azure Patterns and Practices multi-tenant guidance and in there it says Cascading style sheets Behaviors are one feature that the Surveys site will not support. What CSS ...
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2answers
199 views

How does LiveID work? Is there any documentation on the LiveID provisioning site msm.live.com?

I'm trying to learn details on how LiveID works, when compared to other federation technologies. To be honest, I'm a bit overwhelmed by all the options at https://msm.live.com/ and want to understand ...
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2answers
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When would you support the storage of Security & Application event logs in the Cloud?

Under what conditions would you be comfortable storing server log data residing in a secure facility, off-premises? When would you consider a SaaS /hosted solution and what value add should that ...