Tagged Questions
4
votes
2answers
241 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.
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0
votes
2answers
204 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 ...
2
votes
1answer
108 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 ...
1
vote
2answers
392 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 ...
3
votes
2answers
925 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 ...
8
votes
2answers
410 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, ...
0
votes
1answer
302 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 ...
1
vote
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 ...
4
votes
4answers
824 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 ...
11
votes
2answers
1k 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 ...
2
votes
1answer
420 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 ...
3
votes
1answer
161 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 ...
5
votes
2answers
674 views
Export laws on the cloud (key size)
Do the U.S. export laws around AES-256 apply to applications hosted in the cloud?
7
votes
4answers
1k views
What Partial Homomorphic Encryption implementations exist and how do I leverage them?
It appears that only Partial Homomorphic Encryption(P.H.E.) is practical for modern day (2011) use. However I'm having difficulty locating libraries (FOSS or otherwise) that enable me to leverage ...
6
votes
1answer
421 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 ...
3
votes
1answer
578 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 ...
13
votes
4answers
1k views
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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6
votes
3answers
671 views
Safe implementation of sharing encryption secrets (username, password) in the cloud
I'm building a multi-tenant (cloud) environment that needs to push out (or make available for download) configuration files for agents (background services) that receive this information. One of the ...