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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“It is safe if only Port 443/HTTPS is accessible from Internet!” Is it? [closed]

I was in discussion with a vendor to implement a backup solution and as flexible as most cloud applications nowadays, it needs to be access from anywhere on Internet without VPN or any special ...
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1answer
152 views

Is cloud server without HTTPS secure

I am running a Seafile Open Source Cloud server (v 4.0.6) on my Raspberry Pi 2. Currently it is set up to simply run without HTTPS or even a domain name on [myIP]:8000. I am also running an Apache web ...
2
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1answer
190 views

Is End to End encryption possible for all servers across the whole infrastructure?

Running into a possible situation where a client I am working with is requesting that all data that leaves the servers should be encrypted and here, we are talking of hundreds of Linux servers ...
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1answer
91 views

uploading photos to cloud from an infected device [closed]

My computer is infected with Malware and (shame on me) of course I didn't back up my photos or word docs. I also happen to know almost NOTHING about computers. Is it possible to upload photos to cloud ...
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2answers
184 views

How to secure sensitive information on cloud from administrator (end-to-end encryption)

When I use end-to-end encryption to secure documents and sensitive information on cloud or on computer, there is always a risk of accessing these information by administrator. For example if you use ...
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3answers
609 views

How to secure delete inside a virtual machine?

Here is a tricky one: Can you securely delete a file from a VM? I'm sure the answer is dependent on a million different variables, and I'm sure the answer is something like "not really" but I want ...
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0answers
139 views

Firewall requirements for SaaS service providers

I have not had much success compiling a workable overview on the topic of firewalls and application service providers, despite making a rather extensive contribution to Google's workload this month. ...
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0answers
42 views

Unrestricted file upload on a cloud based platform [closed]

We have an unsecured file upload for the user to upload any file they want, our application is Azure based so they are stored as blobs not as a traditional "file on disk". Could malicious code still ...
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7answers
2k 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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2answers
181 views

Is it safe to store encrypted volumes on cloud syncing services?

A recent discussion on another website prompted a proclamation that storing (TrueCrypt, LUKS, DMG, etc) on cloud sync services like Dropbox is unsafe, since a version history is kept of each file, and ...
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0answers
41 views

Security schemes regularly in use on cloud

I've been looking into how connections are managed in the cloud, in order to better understand the threats users and their deployments may face. The most important and common ones in use seem to be ...
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1answer
181 views

Acquiring remote forensic image from EC2 instance

I'm trying to figure the best way to acquire remote image from an EC2 instance. Here is how I took/trying to take an image of an EC2 EBS drive: Using EnCase Remote Recovery (trial for 14 days): ...
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1answer
47 views

Potential dangers of re-locating critical systems to cloud

It was suggested by some consultants that We relocate some of our critical systems in our environment to cloud base architecture. Besides knowing the fact that on a cloud base architecture we have no ...
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2answers
252 views

Can Amazon's AWS Identity and Access Management (IAM) be used to manage server access?

Requirement 8.1.1 of PCI DSS states: Assign all users a unique ID before allowing them to access system components or cardholder data. Using Amazon IAM I can set up individual accounts for users ...
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2answers
741 views

Is cloud hosting allowed for FIPS 140-2?

I am in the very early stages of making my application FIPS 140-2 compliant... so early in fact that I am not sure what level it has to be... just writing a preliminary recommendations document at ...
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4answers
987 views

Security risk of allowing ICMP “destination unreachable” packets on AWS

If I configure an Amazon AWS VPC, should I explicitly allow ICMP "destination unreachable" packets inbound? I am wanting the VPC firewall to block everything by default, however does this mean this ...
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0answers
62 views

What are the steps to securing encryption keys/databases on an unsecured DAAS provider?

Most Desktop As A Service providers store their virtual hard drives and the VMs RAM in a way that allows them to access their contents. Choosing a provider who offers a 'no-knowledge of server' ...
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0answers
191 views

An Efficient and Secure Dynamic Auditing Protocol for Data Storage in Cloud Computing [closed]

I am doing research on this topic and have to submit research paper in my college. I've googled many times for relevant material but didn't find anything suitable. Here are some key features : ...
11
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3answers
6k views

Is Firefox Password Manager less secure than LastPass?

After installing the LastPass password manager, I am presented with a login dialog including the option to "Disable Insecure Firefox Password Manager". (This option appears as long as the Firefox ...
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1answer
195 views

help identifying an IP address from email sent from my gmail account

Someone sent the following email from my gmail account. I believe it was hacked and if I can find the IP address I may be able to identify the person who did it. Here is the information. Please let me ...
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2answers
140 views

IDS across seperate AWS accounts

I have 2 separate AWS accounts and I would like to a Vuln scanner/IDS on one to scan another. One environment is a regular AWS account and the other is in AWS Gov Cloud. Due to limitations within ...
6
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2answers
4k views

Security of Microsoft OneDrive

A friend asked about putting some of his data on Microsoft's OneDrive. I did some research, and what I learned seems very surprising. It appears that all the user data on MS OneDrive is store ...
1
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1answer
125 views

Password for XLS files

I am not sure if this is right place to ask this question. I have created an xls file to store all my password in it. lately I have uploaded same file on Google Drive to access it from remote ...
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2answers
201 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 ...
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2answers
88 views

what is the cons and pros of using webfiltering based on cloud security?

nowadays some vendors offering web filtering based on cloud security , where your web traffic will be forwarded to vendor cloud to be filtered and controlled at the vendor proxy , the vendor will ...
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2answers
723 views

What was the security vulnerability behind Box and Dropbox and what's different now?

Earlier today I received a number of comments saying that my shared links were disabled. I looked around and saw a number of articles explaining what happened, and Dropbox posted an official statement ...
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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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8answers
7k views

What are some considerations before moving personal data to Google Drive?

I am considering uploading some (all) of my digital personal data to Google Drive. I guess this would instantly grant access for NSA to my data. (Is that right?) Who would have access to my data on ...
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0answers
70 views

Can user identifying information in Dropbox be derived from subscription data?

I've noticed that my Dropbox installation really loves sending unencrypted information over the net including a "user_id" and it's user-agent. What i want to know is if it's possible at all to ...
3
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1answer
313 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 ...
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2answers
311 views

Are files hosted on cloud servers/websites/databases manually checked by people?

I was wondering ... when I upload a file to, say, Dropbox, does anybody personally check it to see what it is? Say I upload a copy of my Blu-ray movie to cloud storage ... will anyone check, and ...
15
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3answers
4k views

Is amazon S3 secure enough to hold personal documents?

I have a client who is looking to hold personal information such as Driving Licences and Insurance documents in order to verify if a user of the site is who they say they are and lives where they say ...
3
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2answers
97 views

Forensics in the cloud

I recently did a university module on digital forensics and learned a lot about the process, and techniques, of digital forensics investigations. We didn't actually cover the cloud although I ...
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1answer
796 views

Resources for pentesting cloud based services/web-apps?

I want to know about some of the good resources for pen-testing cloud based services or web-apps (such as AWS). I googled for it but there are really few good resources out there. For example, I liked ...
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1answer
483 views

Service traffic hijacking, how does cloud make it worse?

I read an article from CSA that they rank service traffic hijacking as the #3 threat to cloud-services. Why is it worse for the user if an attacker hijacks its service traffic on cloud? What new ...
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1answer
276 views

Virtualization / Cloud-Stack fingerprinting from running VM

How can the host environment (not just the OS) be identified from a running guest VM. To determine what the underlying host and virtualization stacks being used actually are. I.e. whether there's a ...
12
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4answers
1k 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 ...
0
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1answer
91 views

A demonstration of the most basic form of a data breach or similar attack

I am currently working on my bachelor thesis regarding cloud security and found this neat article describing the "Notorious nine" written by the CSA: The notoruios nine I am looking to try out some ...
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1answer
111 views

What to focus on in Cloud security? [closed]

I am writing my bachelor thesis in CS on cloud security and its weaknesses and started to do research today and got quite overwhelmed. I am mainly looking at IaaS and PaaS services and have decided ...
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2answers
5k 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 ...
22
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1answer
2k views

Has anyone achieved PCI compliance on AWS?

All the FAQs, documents and statements published by AWS aside, did any Level 1 merchant or service provider actually achieve PCI compliance on AWS yet? We're evaluating moving some of our services to ...
3
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3answers
208 views

Are cloud-based collaboration tools “safe”?

I've tried to bring in collaboration tools at my company such as Evernote, Dropbox, OneNote, GoogleDocs etc. at our company but am finding it tough to get people on board. We use Sharepoint to store ...
0
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1answer
446 views

HIPAA compliant on Azure cloud? [closed]

We are using WebRoles to host our api, Table storage to persist PHI and Blob Storage to persist MRIs and CT images. What is required to become HIPAA Compliant? -- Edit 2014-02-17 -- I just want to ...
9
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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 ...
9
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3answers
826 views

How did the spammers get this address?

A few months ago I configured a test mail server on Amazon AWS, all legit. I used a new address to my catchall-domain (something similar to, but not exactly, ...
0
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1answer
78 views

Why is no cloud allowed in this brief? [closed]

I couldn't find a better place on StackExchange for this question, but please point me in the right direction if there is a better place for it. My company is bidding for some work, and in the ...
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2answers
350 views

What are the security risks associated with storing passwords on the internet?

With products such as LastPass that store encrypted passwords on remote servers, what are the associated risks that aren't applicable to locally stored and encrypted passwords? If something is ...
2
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2answers
2k views

Does setting up a DMZ for a home consumer “cloud” appliance make sense?

Some of you may have seen/hard of Western Digital's MyCloud NAS solution for home networks. This comes with a proprietary app suite for mobile devices and workstations alike. This allows the consumer ...
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1answer
215 views

How much safe is “the cloud” ? What is the simplest and safest approach in storing everyday personal data?

You use multiple computers in work, home and mobile devices (android, ipad). You want to share your files between devices and you use physical sources: an SD card, dvds, a usb stick etc. with every ...
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1answer
189 views

Any issues with this security design for cloud storage? Server doesn't even need to know password to log someone in

I've created an algorithm I think I'm going to use for a cloud storage service I'm developing- if there are no issues or vulnerabilities with it. It's this along with TLS and forward secrecy ...