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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How unlikely is it that a Google Doc link is guessed?

Most (if not all) of us know that a Google Doc link looks something like this: https://docs.google.com/document/d/13P3p5bA3lslqEJT1BGeTL1L5ZrQq_fSov_56jT9vf0I/edit There are becoming several tools ...
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230 views

What does key, key pair and signature mean here?

I was reading How are possible uses for X.509 (SSL) certificates denoted? on IT SE. It begins with: X.509 certificates can be used for servers, clients, email, code signing and more ...
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Building a Security Training Simulation environment

My university is keen to build a security training simulation environment/platform and it will be a good learning experience for students. I Googled around to find out how it is built, but I only ...
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369 views

What are the security implications of Digital Lifeboat (or other p2p storage solutions)

From Digital Lifeboat's about us section Our solution is a distributed storage cloud service. Digital Lifeboat will compress and encrypt each file selected for backup. We then process your ...
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GPU powered Password cracking machine - buy metal or cloud?

As a IS consulting firm, we would like to have our very own password cracking machine. Great. Now, after some sketching and brain storming we concluded that GPU is the best way to go (contrary to CPU ...
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Are mail-servers removed from security concerns in contrast with cloud storage?

I have meet people and even businesses that are against using the cloud for data storage invoking security risks. In the same time they seem perfectly fine using email services (usually from obscure ...
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110 views

Security in the breaking cloud? Storage Wars?

If access to a cloud server instance that stores personal/important information is lost or removed by the provider, is my data protected? Can the provider access my data and copy it, distribute, or ...
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522 views

How do I configure Terminal Server (and clients) for use over untrusted Wifi networks?

Suppose a client wants to directly connect to Terminal Server exposed to the Internet, without a VPN, ... what software & settings is needed to properly protect against WiFi based attacks? ...
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1answer
243 views

What security risks are involved with sending data over the internal network on Rackspace Cloud servers?

What are the risks involved with sending unencrypted data over the internal network with Rackspace Cloud Servers? Assume the interfaces use iptables to filter IPs and ports so they only accept data ...
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1answer
218 views

smart AND secure cloud document archive

I am thinking of creating a cloud-based document archive. The intention is to make it impossible for the system to read the users' files, and be more than just a storage provider. Looking at this ...
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182 views

Cloud-specific standards and regulations

Not specific to any particular industry or requirements, but in general - are there currently commonly accepted standards regarding cloud-based applications? I* am developing a system that will be ...
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178 views

Insider threats for Private Clouds

Any one has any information or pointers to insider threats when cloud platforms like openstack etc deployed within corporate data centers ? What are different kinds of internal threats in general ...
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253 views

Cloud application Vulnerability assessment

Do you think server side assessment of application is important when application is hosted on a cloud like Amazon? Assessment on software used to host the application not the actual application, e.g. ...
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336 views

Dedicated Server in Cloud Environment - SSL Remote Login vs Dedicated VPN

Thanks for taking your time to look into this question. Background I have my website hosted in a dedicated server in the cloud. The server is a Windows 2008 R2 machine. To publish I FTP files to ...
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1answer
75 views

Can we just provide VM snapshopts to LEA

Currently Law enforcement agencies (LEA) take your entire server (or perhaps all servers) in a VPS/Cloud or multi-tenant situation. Have we thought of any policy guidelines where VM images/snapshots ...
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628 views

Can fully homomorphic encryption be practical?

Fully homomorphic encryption has been implemented by Craig Gentry using ideal lattices. Can it be applied to data stored on a private cloud setup in practice? I've seen references here and on other ...
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Storing password in Java application

What is best secure way to store passwords in Java web application? I am not talking about password to the DB, so it must be stored in de-cryptable way. It’s cloud environment and I need to protect ...
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2answers
209 views

Cloud services - A window to outsourcing illegal activities?

Recently I was exposed to a number of stories where alleged illegal activities (for this case, we can take brute-force) are outsourced to the cloud, and are run by the cloud providers. The providers, ...
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234 views

Concerns of data being on the cloud

Would you prefer a private cloud for your data or a public one? Who takes care of financial liability in case of any breach? Do companies still keep the most critical within their data centers, ...
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What's wrong with storing private keys in the cloud?

I know this sounds like a dumb question, but whats wrong with it? Assuming that all private data is encrypted (by the client) using PBE AES256, then is this scheme more vulerable than storing keys on ...
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Cloud computing: future security challenges and solutions

I am currently writing a paper on the future security challenges of Cloud Computing, and possible solutions to these problems. After many hours of reading articles on the internet (my nearby library ...
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How can PrivateSky not see your data?

PrivateSky is a website that promises encrypted "cloud-like" secure information exchange. They promise that except the sender and receiver, nobody can see your data. After testing it yesterday, I do ...
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1answer
545 views

VPS Safety in the Cloud

Imagine you are running a web server on a Virtual Private Server (VPS) hosted in a datacenter. Could the people running the datacenter covertly read files from my VPS's hard disk? Could an attacker ...
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Does outsourcing infrastructure services reduce risk (and improve security)?

I've been on a kick mentioning to particular clients to quit managing their own dns, email, blogging platform, file transfer setup, etc. This from observing how poor they are at practicing good ...
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Security of Cloud Storage

What are the main security risks of popular cloud storage services such as Dropbox? I am torn between the convenience of cloud storage and the potential security risk of it. How can I evaluate whether ...
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What are security issues which are specific to cloud computing?

Moving almost everything to the Cloud gradually becomes a mainstream. Are there any security issues, which appeared together with this trend? What everybody should check out, from the security point ...
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Protection of Keys/Passwords on Virtual Hardware (XEN, KVM, VMWare, etc.)

Is there any reasonable way to secure data on virtual hardware? What I mean by "virtual hardware" is the various hosted systems that one can rent from various online hosters, that run on top of XEN, ...
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Someone else's cloud infrastructure too sketchy for large enterprise SaaS application?

I have a set of geared-to-enterprise SaaS services I will be trying to sell soon to a number of large companies. In IT and Security reviews for critical software in the past, as a vendor you were ...
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690 views

Is Intel AESNI supported by Xen in VPS/Cloud hosting environments? [closed]

I'm having trouble determining whether when using a hosting company that uses Xen virtualization and Intel processors with AESNI embedded encryption, I would have access to AESNI (i.e., is it an ...
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Securing a Ubuntu system on Amazon Web Services

I'm in the process of setting up a Ubuntu server on Amazon Web Services / EC2, which will need to host the following: A relatively simple Java-based website (using the Noir framework) A Java-based ...
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596 views

Amazon EC2 security compared to a standalone server

Lets say I want to run a out-of-the-box instance on Amazon EC2 and on my own standalone server. I don't run anything on them, just let them idle by themselves. What is the relative level of security ...
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Using intranet SSO to access sites hosted on public cloud

We are thinking to move some of our intranet sites to public cloud. Is there any way to keep using company SSO to authorize access to those sites from the company intranet?
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Are there any reviews or user experiences with Secretsync?

I haven't been able to find much in the way of professional reviews for Secretsync - http://getsecretsync.com/ss/ But i'm wondering how it compares to Boxcryptor and Truecrypt. How secure is ...
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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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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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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
755 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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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
3k 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
829 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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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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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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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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796 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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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 ...