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.

learn more… | top users | synonyms (1)

3
votes
1answer
250 views

unexpected thumbprint when connecting via remote desktop - what now?

I have an Amazon EC2 instance in a VPC. I have not logged into it for some time, so I used the Amazon EC2 CLI with ec2-get-console-output to check what the thumbprint should be when I connect. To my ...
2
votes
3answers
1k views

How to mitigate SSL based DDoS attacks?

as you probably know the problem with SSL based DDoS attacks is, that the traffic cannot be analysed and filtered by a DDoS mitigation service provider such as Prolexic, Akamai, Radware, etc. without ...
7
votes
6answers
8k views

Storing KeePass database in cloud. How safe?

It certainly would be more convenient to store my KeePass database on either S3, Dropbox, or better yet SpiderOak. My fear is having my cloud storage account compromised then having the credentials ...
1
vote
2answers
226 views

PCI-DSS - key-based shell access to internal servers?

In the following PCI 2.0 requirement, I am not sure how to interpret computer access to internal machines (not remotely accessible): Requirement 8: Assign a unique ID to each person with computer ...
2
votes
2answers
79 views

ICO compliance and Google Cloud SQL

I have a basic simple question for which I couldn't find anywhere. Is is possible to use Google Cloud SQL services and still retain the regulations from ICO and other similar requirements? I ...
2
votes
3answers
284 views

Protecting personal documents in cloud

I want to keep my personal documents in cloud e.g. Dropbox. But I want some of my documents be encryted and password protected, such that: 1. even if my Dropbox gets hacked, those documents still have ...
1
vote
1answer
226 views

Which cloud providers can be used for the simulation of DDoS attacks? [closed]

Cloud providers have a great infrastructure to perform DDoS simulations. You can get thousands of virtual machines with different IP addresses, fully customizable with the tools you need for testing. ...
-3
votes
2answers
339 views

How to check if my files were uploaded via cloud storage?

I've had an employee leaving the other day and he's told people in the business that he might have taken some sensitive information. It's likely to be via cloud storage (e.g. Dropbox, Box, Evernote, ...
2
votes
2answers
147 views

It it a good idea to whitelist inbound email using a Hash on the address? (Similar to BATV, but with DKIM)

Problem Statement I'm looking at ways to ensure that business partners, or emails from trusted senders, never get quarantined; ....in other words prevent "ham being seen as spam". Ideally this ...
-2
votes
1answer
150 views

US Export Laws (Encryption Cloud Service) [closed]

Okay - so I have been extensively looking into US export/import laws relating to encryption software (5D992), however I have a few questions about the laws and their applicability. So, the laws ...
7
votes
1answer
785 views

AWS VPC - should connections between instances be over SSL?

Say I have a few EC2 instances in an AWS VPC network, each assigned its own private address for the subnet at creation. Say one of them is a DB, and another one some kind of web app talking to the DB. ...
0
votes
1answer
69 views

Performance issues while applying encryption at host or guest level?

One of the security expert here suggested me to apply encryption at guest(virtual machine) level rather than applying at host level with good reason. Before applying that I want to know what can be ...
0
votes
1answer
140 views

Which one is best, host or guest encryption?

Can anyone please tell me which option is better, I mean whether I should encrypt my data at virtual machine level or guest level in cloud? I tried to investigate it but did not find best solution so ...
7
votes
3answers
609 views

Can cloud based password managing services be trusted?

I'm a big time user of cloud based password managing services like LastPass. But in the light of recent revelations like various government backdoors in popular sites, programs like prism, etc. I'm ...
2
votes
1answer
265 views

How are IaaS Virtual Machines Isolated?

I am currently examining Hypervisor firewalls for my graduate thesis, but I unfortunately don't have a lot of experience with IaaS environments. How are IaaS Virtual Machines network isolated from ...
0
votes
2answers
718 views

Vulnerability of the open port

I'm installing service on the cloud machine and I was wondering on port vulnerabilities for my customers. My service which lives on server A (often on a customer site) needs to access server B ...
0
votes
1answer
144 views

opening up Active directory to cloud services?

We are testing SPAM/Virus cloud solutions and they can read active directory users and groups to help with users set-up and configuration. All they need from me is a user name, a password and the ...
2
votes
1answer
119 views

Security of data distributed to different cloud providers

This is an purely educational question: Suppose we have different cloud storage providers. Imagine a files as a stream of bits and we save each 'th byte on the ( module )'th cloud provider's storage ...
2
votes
1answer
149 views

Secure Development Environment for University dealing with private data

We are a development team within a state public university. Much of our development deals with working with private student and employee data. Some applications push data from internal databases out ...
-2
votes
1answer
126 views

Pedometer with strong privacy (no data in cloud, local analysis software, no iOS) [closed]

I wish to do 10,000 steps a day. Now searching for an accurate pedometer. I don't wish a cloud solution, data must be local and a nice analysis software. What do you recommend me? I am using a Mac.
2
votes
1answer
483 views

How secure is a static site hosted on Amazon S3?

I'm thinking about separating the static content from the dynamic content, and put the main www domain with the static content on Amazon S3. The main reason I want to do this is security. This site ...
3
votes
1answer
2k views

What is the best practice for storing a secret on the cloud?

This post on Securing Java Application Data for Cloud Computing offers a good introduction to using a Java KeyStore for securing encrypted data in the cloud. It neglects, however, to answer the ...
4
votes
2answers
295 views

Evernote hacked - precautions?

On March 2, 2013, the digital note taking system Evernote was hacked. Evernote has forced new passwords and have released new updates to Windows, Windows phone and iOS of their client software. ...
0
votes
1answer
99 views

Mechanisms to detect service abuse in the cloud

I want to ask if it is possible to detect the abuse of a service in the cloud. How can the SaaS provider be sure that the client does not use the service for criminal acts? For example how can Google ...
0
votes
5answers
1k views

Can I scan with nmap from cloud services? [closed]

Can i conduct nmap scanning from cloud services (i.e AWS)? i am looking to do external scanning for my company and want to set up something that will be quick, efficient, and cheap. I dont want to ...
4
votes
4answers
1k views

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 ...
1
vote
2answers
4k views

Anyone out there using Umbrella from OpenDNS? What exactly is it?

I'm still looking for a centrally-managed AV/malware management system and I've been testing out both Panda and Webroot (due to their 'cloud-based' structure that doesn't require a server for me to ...
1
vote
1answer
223 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 ...
2
votes
3answers
360 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 ...
3
votes
5answers
2k views

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 ...
0
votes
2answers
336 views

encrypted cloud storage with partial local copy

Is there a cloud storage solution with the following features: partially copied locally. Not fully like dropbox so it can be larger than the local disk. Not fully in the cloud but just a local disk ...
3
votes
3answers
114 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 ...
0
votes
2answers
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 ...
3
votes
1answer
504 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? ...
2
votes
1answer
234 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
votes
1answer
214 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 ...
5
votes
1answer
176 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 ...
0
votes
1answer
237 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. ...
9
votes
7answers
2k views

Encrypt Virtual Machine in the cloud

I am no expert when it comes to security in virtualized environments. However a problem I always saw is: What happens if the host OS gets hacked and an attacker gains administrative privileges? How ...
2
votes
1answer
74 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 ...
1
vote
2answers
610 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 ...
2
votes
2answers
205 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, ...
5
votes
2answers
4k 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 ...
6
votes
6answers
16k views

It is safe to store photos and documents on skydrive / google cloud services?

I have over 20GB of photos and documents stored on my hard disk without a backup. I'm thinking about saving all of them in a cloud service such as Microsoft Skydrive or google cloud, but I'm wondering ...
4
votes
1answer
408 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 ...
4
votes
4answers
421 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 ...
29
votes
4answers
6k 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
votes
3answers
245 views

Evaluating Cloud Provider Security

I am trying to make a judgement call on a cloud provider's security. This is what I know : Provider A - PRGMR.COM (not very well known but competent and reliable) Is very transparent - seeks ...
3
votes
3answers
333 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 ...
12
votes
2answers
924 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, ...