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 advantages of cloud-based firewalls?

What are the advantages of firewall based on cloud? Does it cause heavy traffic and make it slower? If it does, is the impact significant? A firewall based on a cloud, as I understand it, will ...
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132 views
+100

How do big cloud providers guard against VM escape attacks?

I think it's pretty much unassailable to say that cloud computing as we know it depends on the concept of the robustness of virtual machines. Where one can depend on the security of VMs they allow ...
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17 views

Do OpenAttestation and OpenCIT have Intel hardware dependence?

These technologies have been developed by Intel - what looks like for Intel TXT machines, but curious if it will work for any machine equipped with a TPM chip?
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20 views

How to prevent cache-based side-channel attacks in IoT devices

The sharing of hardware resources from various vendors in the Internet of things is fundamental for efficient processing in the cloud. The presence of a myraid of clients accessing the same hardware ...
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0answers
13 views

VM Introspection on Public IaaS clouds

I came across this Security SE post and a few papers on VM Introspection [1] [2] [3] What prevents cloud providers like AWS from using techniques like these to observe EC2 instance activity? If they ...
2
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1answer
91 views

Identify if a certain domain is using Office 365 or Google Mail

I have a list of e-mail domains that i wanted to confirm if they're using Office 365 or Google Mail for mail. Checking MX using Nslookup can do the job but I noted that a few companies will use an ...
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0answers
38 views

I want to deploy from GitLab to AWS - so where exactly do I store my private key?

This seems like an odd and simple question, but I'm trying to get my head around the principle of "never check a private key into version control". I'm trying to build a startup of sorts, where ...
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1answer
35 views

How to implement security with Azure Mobile Services Back-end?

I have a mobile application which relies on a Windows Azure Mobile Services Back-end. I want to tie down some security vulnerabilities. For example, someone can currently access all my records, modify ...
4
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2answers
128 views

Is storing an encrypted zip file to an insecure cloud service an admissible way of securing privacy?

Consider the following scenario: I use a cloud service that is not considered secure (meaning no encryption whatsoever) i.e. Dropbox, OneDrive, Google Drive etc. In my account I have a .zip or .7z ...
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2answers
124 views

How to deal with UDP bandwidth exhaustion DDoS attacks?

I am building a service, which will use UDP. It will run on Amazon AWS - in the firewall they provide, I can block everything except that one UDP port my service will run. The only thing I'm ...
5
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2answers
118 views

What are the risks of sending sensitive documents that are on physical media and password protected via postal carrier using registered mail?

Background The company I work for is extremely risk averse when it comes to adopting the use of cloud services for improving business flows. We currently use a very famous search company's business ...
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5answers
164 views

Can secrets be made safe in memory?

Say, I am running an application on a cloud server such as AWS. Suppose I supply a key at run-time (so its not stored anywhere alongside/inside code), is there a way to secure this key in memory? So ...
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3answers
48 views

How to rank the security strength of a cloud SaaS app

If my manager asked me to rank how secure/vulnerable our SaaS system is, what methods are available to do so? I know there are certifications available but I'm looking for something which can be ...
10
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2answers
867 views

Is it safe to store SSN's in Azure Cloud?

I'm doing due diligence on a company. They are entirely cloud based and need to collect lots of personal information from users (including SSN). Is this something I should be majorly concerned with? ...
2
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1answer
72 views

Recommendation Key Management and Storage in Cloud Storage

I am currently researching about key management in the cloud storage and looking for alternative for it. The current system stores encryption key for each file in the server and each key is encrypted ...
1
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1answer
28 views

Virtulization in cloud and security

From a security perspective, which type of hyper-visor cloud is more secure - one that runs on bare-metal (using minimal boot strap build into hyper-visor) or one which is loaded as a part of the OS ...
1
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1answer
25 views

How to reliably backup to cloud services without hampering security?

There is a huge number of articles advising to enable two-factor authentication on sensitive cloud services. I understand the benefits for my accounts' security, but doesn't it defeat the purpose of ...
1
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0answers
64 views

MyQNAP Cloud security [closed]

I recently set up my new QNAP NAS, and have been accessing it through OpenVPN running on my Raspberry Pi through my home network. For convenience, I decided to test out MyQNAPCloud, which puts it ...
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0answers
48 views

Are OpenStack SSH keys secure? [closed]

I found two places that describe OpenStack SSH keys, but nothing seems to say whether or not they're generated on VMs. Is this configurable? I have read and heard here (How can you securely ...
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1answer
62 views

Security monitoring in the cloud?

I am working for a company which works with PHI, HIPAA, PCI and other highest sensitivity data. Their current security architecture uses hardware network monitoring tools to monitor the network ...
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2answers
93 views

Personal Cloud Storage vs. File Sharing Services

In terms of maintaining Confidentiality, Integrity, and Availability, what are the risks and benefits associated with setting up a personal cloud storage device on your home network versus using a ...
1
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0answers
24 views

How to know and disallow corporative Google Apps users to access third party apps with their corporative Google Apps accounts?

How can a security administrator of Google Apps for an organization that has linked @organization.com accounts to Google Apps to know and disallow that users use their users@organization.com accounts ...
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0answers
17 views

Is a business associates contract required to use hosted R&D services? [closed]

I'm on the "configuration management" team which, among other things, means I'm responsible for R&D systems, like: source control, issue tracking, team collaboration (wiki), etc. These are not ...
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1answer
33 views

Sophos Safeguard detecting content of zip files being uploaded

Is it possible to use Sophos safeguard to detect when computers in the network upload certain files online when they are compressed in a zip file? (or 7z or similar). I've seen it is possible with ...
2
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1answer
194 views

Should I trust Grive2?

I am trying to run Google Drive on LUbuntu 64 bit, but since there isn't an official version yet, I was thinking to follow this tutorial. Since it's not an official software from Google, I am ...
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2answers
65 views

How do personal/private cloud products work?

On amazon.com I found some personal cloud NAS products and was wondering how some of them work. In this article the author discusses the My Cloud app and how it can be used from any internet ...
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1answer
100 views

OpenVPN and running other services on same server

What security implications should I know about/look for when running OpenVPN on the same server as my network cloud controller and apt-cache-ng? I plan on using the same server to run apt-cacher-ng ...
6
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1answer
145 views

Benefits of cloud based full disk encryption

Microsoft announced in May that it supported full disk encryption for VMs. They have recently merged a github branch into the Azure Powershell tools to enable this. The basic theory is that you ...
2
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2answers
77 views

Does ISO 27001 allow cloud based Spam/Malware filter solutions

We are currently switching over to Exchange 2013 and we are thinking about outsourcing the spam and malware filtering to Microsofts Exchange Online Protection. Its implemented by changing the MX ...
3
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1answer
272 views

How do Cloud Encryption Gateways and CASB work?

Cloud Encryption Gateways (CEG) and Cloud Access Security Brokers(CASB) are becoming popular to ensure the security and confidentiality of the data leaving to Cloud Service Providers. How do they ...
2
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0answers
29 views

What are the security implications when dealing with cloud on boarding services like Migrationwiz or Skykick?

There is a large push these days to move Email and communication to the cloud. Such as Google Apps, Office 365 or Hosted Exchange. Many company's hire partners to assist with these moves. Most ...
3
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2answers
92 views

Reverse proxy or Public load balancer?

What would be the difference between putting in a load balancer or reverse proxy on the perimeter to send requests back to a system in our LAN? We don't want to have people NAT directly into the LAN, ...
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0answers
63 views

What is “Intentionally misleading Artificial Intelligence to create a misleading outcome” called?

I'm writing about a computer system that relies on Artificial Intelligence and the threats that this may include. One threat vector (for example) is to seed Bayesian AI with content to skew the ...
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2answers
55 views

Secure protocol for a backup server? [closed]

I want to make a back up system in my home, but I don't know I should use a FTP server or a TPC-based cloud server or a SSH-based server. Which method is best in security? I just want to upload and ...
2
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1answer
107 views

Can we determine how securely files are stored on a cloud storage service?

After asking two questions about the security of online cloud storage, it seems to me that we can only at best speculate as to the security practices of the hosting company, and believe what they tell ...
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0answers
19 views

How to interpret 'supplier relationship' in CSA CCM

The Cloud Security Alliance has developed a Cloud Control Matrix, which "provides fundamental security principles to guide cloud vendors and to assist cloud customers in assessing the overall ...
2
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2answers
123 views

Physical protection of your servers?

Here is a scenario. You are a small startup company that makes a video game. In your video game, you can exchange money for items. You are not dealing with the credit card/debit card directly but ...
1
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2answers
202 views

How can a seamless cloud storage service be Zero-knowledge?

Cloud based storage services like Dropbox and Google Drive are a cause for concern when it comes to privacy. They store encryption keys for your files on their servers. Therefore, anyone who manage to ...
3
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0answers
219 views

Does Sookasa really make Dropbox more secure? [closed]

Sookasa is a service that integrates with Dropbox and claims to make your files more secure by seamlessly encrypting them. In their article Is Dropbox secure? 3 weaknesses you should know about, ...
4
votes
2answers
670 views

Should I password protect all my archives from cloud?

I am a student and I didn't care a lot about my passwords strength and my files until now. Now I am thinking about having a backup for all my files in cloud. Questions: Should I password protect ...
0
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1answer
119 views

Securing communication over LAN in VPS provider [duplicate]

I'm curious about best practice when connecting from app to DB in a cloud provider. A quick rundown of our setup. We have 4 servers all on the same provider, in the same region running as VPS. Ngnix ...
4
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2answers
94 views

Is it a good practice to use certificates as a mean of client identification in a cloud environment

My software system is running a cloud infrastructure where having Linux machines VPN into OpenVPN gateway is a setup requirement. Also, there may be cases when software on the aforementioned Linux ...
1
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1answer
38 views

How exactly should I interpret the term “Hybrid Cloud”?

The CISSP CBK definition says that a hybrid could is a mix of public and private. But what exactly does it mean? Is it more a conceptual idea:If you use both a public and a private your company is a ...
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3answers
276 views

Does MEGA cloud service say ALL the truth? [closed]

If this is not the right community for this question please inform me where to ask :-) I am talking about: encryption no enceyption key kept by MEGA and so on. I found many reviews confirming it'...
6
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1answer
430 views

What is legally required to store HIPAA data in the “cloud”?

I was looking into storing SQL DB backups of a healthcare system in the cloud in the event of a disaster to be HIPAA compliant. The solution I came up with was to use Cloudberry backups. What I would ...
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2answers
84 views

Can an attacker or law enforcement compromise apps in Google Play so that when I update I install the compromised app?

What are the chances a third party could make changes to apps on Google Play that I have installed, so that when I next update I am compromised?
2
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1answer
108 views

Will two virtual machines running on the same physical host machine get the same value from /dev/random?

Will two virtual machines running on the same physical host machine get the same value from /dev/random if read over the same time period? Say that Virtual-machine-1 wants to generate its ssh host ...
-5
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1answer
93 views

Does Server Mistrust improve security? [closed]

By server mistrust, I mean the fully implemented lack of customer plaintext on a vendor's system, and lack of vendor access to customer plaintext. Specific case in question: Password and SSH key ...
4
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1answer
556 views

/dev/random in EC2 cloud

is /dev/random any good in AWS EC2 for use in making a shared key that will be passed over a secure channel? i am concerned that a launched instance would have not much entropy to begin with. what ...
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2answers
130 views

Is Cryptree suitable for cloud storage?

I'm evaluating a cloud storage product. The marketing literature states it uses Cryptree. I pulled the paper and performed a quick read, but I don't see where Cryptree lends itself to confidentiality ...