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 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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7answers
4k views

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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3answers
107 views

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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2answers
99 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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1answer
307 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
162 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 ...
2
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1answer
184 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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2answers
171 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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1answer
163 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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1answer
154 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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3answers
770 views

Key management in cloud datacenters

In terms of infrastructure, how do Cloud providers (organizations providing SaaS, PaaS, or IaaS via the cloud) manage keys and cryptography? From my understanding, "private" datacenters tend to ...
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3answers
302 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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4answers
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In what ways does Full or Partial Homomorphic Encryption benefit the cloud?

Can someone explain, in plain English, the practical ways FHE and PHE can be leveraged in the cloud? Some interesting (and confusing) links include this Microsoft Research PDF and this wiki entry. ...
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1answer
72 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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2answers
517 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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2answers
2k views

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
164 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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2answers
211 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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2answers
2k views

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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7answers
1k views

Is this set-up PCI-Compliant?

Question: Is there a way to store credit card information on a shared hosting server AND be PCI compliant? Here is the setup: 1) SSL is being implemented for the whole checkout process and for the ...
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4answers
1k views

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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4answers
5k views

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 ...
2
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1answer
263 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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4answers
318 views

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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4answers
372 views

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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10answers
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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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713 views

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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2answers
113 views

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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1answer
513 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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2answers
800 views

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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2answers
498 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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2answers
405 views

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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1answer
1k views

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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0answers
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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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1answer
183 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
2k views

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
595 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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2answers
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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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2answers
1k views

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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1answer
199 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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3answers
1k views

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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101 views

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

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?
2
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1answer
706 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 ...
7
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1answer
835 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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1answer
700 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 ...
6
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1answer
684 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 ...
5
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2answers
556 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
501 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 ...