A description and set of rules for the ordered exchange of structured information designed with the goal of protecting the security of the system.

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11
votes
7answers
9k views

What is the difference in security between a VPN- and a SSL-connection?

I would like to design a client-server application where the server is placed on Internet. I assume that I could set up the client-server connection using VPN (is it using IPSec?) or using a SSL ...
43
votes
3answers
16k views

What's the difference between SSL, TLS, and HTTPS?

I get confused with the terms in this area. What is SSL, TLS, and HTTPS? What are the differences between them?
20
votes
3answers
2k views

How does Convergence (CA replacement) prevent its notaries from being MITM'd as well?

I have been looking into Convergence and how it works, but I cant figure out how it is effective against a MITM attack that happens near the target system. My understanding is that Convergence works ...
58
votes
9answers
8k views

What would one need to do in order to hijack a satellite?

I realise this borders on sci-fi, but there's been some interesting demonstrations regarding security of various satellites. What would be required to hack a satellite (in general terms, any hack ...
14
votes
3answers
3k views

Convergence - an SSL replacement?

Today, Moxie Marlinspike, a security researcher famous for his research on Android and SSL and related protocols (author of sslstrip/sslsniff), released "Convergence" which says is "an agile ...
4
votes
3answers
170 views

Are there a standard method(s) for me to give someone else read-only access to my data?

Are there a standard method(s) for me to give someone else read-only access to my data? There are several situations where I may want to give a few people read-only access to some data, but I would ...
7
votes
2answers
3k views

What is ECDHE-RSA?

What is the difference between ECDHE-RSA and DHE-RSA? I know that DHE-RSA is (in one sentence) Diffie Hellman signed using RSA keys. Where DH is used for forward secrecy and RSA guards against MITM, ...
5
votes
4answers
3k views

How do the processes for digital certificates, signatures and ssl work?

I have been trying to understand how ssl works. Instead of Alice and Bob, lets consider client and server communication. Server has a digital certificate acquired from a CA. It also has public and ...
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 ...
1
vote
2answers
867 views

Expected cost and time frame for black box pen testing?

I work for a major publicly traded company and we need some external black box pen testing done on a Win32 executable. This exe is used in a large client server infrastructure and is a central piece ...