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2answers
49 views

Does information security justifies Iphone 6's “error 53”? [on hold]

An update of IPhone 6 software left several IPhones that were previously repaired by an non-certified phone repairer dead. See e.g. this news. Apple claims that this is due to security: A ...
0
votes
3answers
127 views

Fraud detection to avoid fake users

I know there is no 100% solution for fraud detection, but at least I want to set some level of confidence in this use case. Suppose that I have a system where: -A user need to make a registration -A ...
2
votes
0answers
48 views

Local sockets: does SSL add security? [duplicate]

Situation We have a Windows Service that is listening on a TCP port. This service is responsible for capturing a user's fingerprint using the Windows Biometric Framework, when requested to do so by a ...
3
votes
1answer
89 views

Received UDP packet with IP ID of zero:

I am scanning a host in our network with Nexpose and one of the vulnerabilities reported is Received UDP packet with IP ID of zero: IPv4 SRC[10.0.0.5] TGT[127.0.0.1] TOS[192] TTL[64] Flags[40] ...
2
votes
1answer
63 views

SSH Server Authentication

I know this question was asked several times in several ways, for example: Can an SSH server fingerprint be spoofed? What stops an SSH server from MITMing logins? However, none provided the ...
3
votes
2answers
47 views

How do I know a new host key is safe to accept?

I am frequently rebuilding servers for staging and development. I connect to them with SSH for provisioning. In the process, I'll destroy a VM, rebuild it, and provision it all over again with the ...
13
votes
1answer
205 views

What are the implications of 5 million peoples fingerprints being stolen from the US Government?

The recent OPM hack has revealed more fingerprints were stolen than previously believed. One of the scariest parts of the massive cybersecurity breaches at the Office of Personnel Management just ...
0
votes
1answer
87 views

xmlhttprequest with https - can I test the fingerprint before sending any data

I am making https calls in javascript via xmlhttprequest. I know the server and its public key in advance. For extra security, I would like to check the public key (or its fingerprint) if its is what ...
3
votes
2answers
115 views

Browser fingerprints, theory or reality?

As you may or may not be aware, even when browsing "incognito", you can theoretically be tracked. Browsers have unique fingerprints, just like people do. Check this link to learn more. While I ...
3
votes
1answer
72 views

User-friendly TLS certificate validation

I'm designing an application in which clients generate their own TLS certificates ad-hoc (there's no central authority). When two clients interact for a first time, I need for them to mutually check ...
-1
votes
1answer
699 views

Fingerprint scanner browser support [closed]

I need to implement fingerprint scanning for all the users in a secure web app. Do fingerprint reader support chrome or firefox? From my google search they all seems to only be supported by IE. All ...
-2
votes
1answer
86 views

My internet fingerprint [duplicate]

Please, Do you know any way to delete absolutely all my info from the web? Like, all the info in social media, public places, forums, photoblog. I was using those places without control or worries ...
1
vote
1answer
2k views

False acceptance rate in biometric authentication system

False acceptance refers to an unauthorized user given access to a system which he is not allowed to access. Therefore a false acceptance rate of 1% means the system will incorrectly allow access to ...
6
votes
1answer
396 views

Can an SSH server fingerprint be spoofed?

If I simply connect to an SSH server, get its key fingerprint, and immediately disconnect, does the SSH protocol ensure that the server also had the private key in order to get that far into the ...
1
vote
1answer
343 views

RSA Signing Key Rotation

I understand the details of RSA encryption/decryption in that a public key can be distributed in the clear since all it can really do anyway is encrypt data. I also understand that this public key can ...
4
votes
2answers
118 views

How to establish a random OTR remote party as a specific individual?

In reading Glenn Greenwald's 2014 book No place to hide, one thing stood out to me as a bit odd. Greenwald details how Edward Snowden was insistent that Greenwald install PGP in order to communicate ...
1
vote
1answer
325 views

Is hashing a DLL useful to protect from DLL hijacking?

I want to make sure that the dynamic link libraries used by my application can't be replaced with other libraries of the same name, in order to inject malicious code. Therefore, I thought about ...
1
vote
0answers
64 views

Matching vulnerabilities with upstream versions

How am I supposed to match vulnerabilities with services fingerprint, with string like these? Is there a public database to match these versions with original versions? > 5.5.29-0ubuntu0.12.04.1 ...
4
votes
2answers
280 views

Is there a standard, storage algorithm or protocol for fingerprints?

What are the generic conventions and standards for storing and identifying biometric fingerprints out there? Are there some RFC documents for that? As a sub-question: suppose I want to preserve my ...
9
votes
1answer
400 views

Visual fingerprint verification

OpenSSH allows to show a visual representation of fingerprints with the VisualHostKey, see announcement at O'Reilly and here. The output looks approximately like this: # Host github.com found: line ...
8
votes
2answers
2k views

Is iPhone's fingerprint signature a one-way hash?

I've been considering the security of the iPhone 5S fingerprint feature. My main concern is, not that someone could replicate my fingerprint in the physical world and bypass the phone, however that ...
8
votes
3answers
2k views

iPhone 5S security: Given someone's fingerprint can I use a 3D printer to create a fake finger with a real fingerprint on it?

With such a big deal being made about the iPhone 5S's fingerprint reader (and formerly the Thinkpads' fingerprint readers) I really wonder how secure it is to use fingerprints in lieu of passwords. ...
6
votes
2answers
600 views

Is it possible to reliably derive a key from a biometric fingerprint?

Many products (e.g. notebooks, security doors and now smartphones) support some form of fingerprint authentication. That seems simple enough: A trusted system compares a stored representation of a ...