4
votes
2answers
4k views

How are “security levels” of identities in TeamSpeak 3 implemented?

TeamSpeak 3 VoIP communication system uses a concept of so called identities to identify the client to the server. These identities are basically public/private key pairs. In order to prevent people ...
15
votes
1answer
517 views

Keyboard firmware hack - Linux vulnerable?

I see that Apple patched OS X to mitigate against K. Chen's famous Apple keyboard firmware hack. However: Apple keyboards can be used with computers running other operating systems; and in any ...
0
votes
1answer
266 views

encrypting a file with an RSA key

I wrote a java program to encrypt and decrypt files using AES algorithm in CBC mode and a random initialization vector. but there is something fundamental I'm not understanding:first I generate a ...
3
votes
1answer
145 views

Why does OAuth2 demand client credentials in an authorization header?

In section 2.3.1 of the the OAuth 2.0 Authorization Framework it states: The authorization server MUST support the HTTP Basic authentication scheme for authenticating clients that were issued a ...
6
votes
1answer
1k views

DSL Modem Compromised?

Just found out that the primary & secondary DNS servers have been changed to 95.211.156.101 & 5.45.75.11. I had the following setup in place. MAC filtering and WPA2 for WiFi. ...
1
vote
1answer
142 views

Do any tracking networks or ad networks not use JavaScript and only track based on IP address? If yes, how can they be prevented?

Are there any websites that collectively track one computer based on its IP address alone? Browser extensions such as Ad block plus, Do Not Track Plus and Ghostery modify the client side script but is ...
2
votes
2answers
700 views

PHP on IIS 7.5 Hacked - How do I find and fix the XSS Injection?

I discovered that someone had gained access via FileZilla server software to my Windows 2012 Server. It seems like they had created extra accounts and were trying brute force attempts to get in nearly ...
0
votes
1answer
65 views

Is scanning via source ports still relevant/advised?

Does it still make sense to scan using a source port with Nmap when doing host or service discovery? This would have made sense back in the day, but with statefull firewalls being prevalent, where ...
2
votes
3answers
277 views

Does it make sense to keep RC4?

I know that the RC4 cipher when used with SSL is vulnerable to certain attacks, which in the worst case scenario could result in authentication tokens being stolen. But RC4 is also recommended as a ...
6
votes
3answers
376 views

What is a company's benefit of training employees in cybersecurity?

I'm a federally employed senior executive assistant with user knowledge of computer programs and software. I'm trying to change my career and am looking for my employer to pay for my training. I'm ...
0
votes
1answer
37 views

Handle snort's rules remotely [closed]

I have multiple snort sensors in my network and i would like to handle the rules of each one remotely. Is there any software that do that ? thanks in advance
3
votes
1answer
111 views

Can a Vulnerability Management tool highlight BIOS and driver-level vulnerabilities?

Several known vulnerabilities affect BIOS (Reference URLs below). So my question is, are the Vulnerability Management tools (such as Nessus, NeXpose, Qualys, etc) technically capable of highlighting ...
-1
votes
1answer
215 views

DSA Generates different signatures with the same data [closed]

I'm using the example given in msdn article about the DSACryptoServiceProvider Class. The problem is that I get a different signature each time I run the code. I tried OpenSSL and didn't get this ...
3
votes
6answers
228 views

Does an email signature increase security?

I'm using Thunderbird with Enigmail. It has both encrypt and sign options for sending PGP emails -- but why is an email signature needed? It just looks overkill to me! Alice and Bob can use PGP to ...
2
votes
2answers
453 views

How to ensure an email address is not free webmail or ISP address?

I notice security companies such as Rapid 7 prevent people signing up with either free email accounts, or accounts provided by ISPs: ...
-1
votes
1answer
57 views

using asymmetric encryption to encrypt private key [duplicate]

Just a small question: I know it is common for one to use asymmetric encryption in order to encrypt his private key, when using symmetric encryption. Is there a name for this process/method of ...
0
votes
1answer
240 views

Encrypting content using same secret key as hash?

OK - I'm trying to design a system that can provide personalised/differentiated content at minimal expense to the server. One of the designs I'm currently exploring is where the request is somehow ...
10
votes
3answers
653 views

Is Gmail showing images by default a good idea for privacy?

Google have decided to show images in Gmail messages accessed via the web, iOS and Android by default: Instead of serving images directly from their original external host servers, Gmail will now ...
3
votes
2answers
897 views

How To Recover EFS Cert From Backup?

I made a backup of the old Win 7 Pro then did a clean install. But I forgot to export my EFS encryption certificate, so when after I restored the encrypted files from backup I could no longer access ...
4
votes
3answers
179 views

security performance criteria in employee reviews

Have any of you security professionals been able to get security performance metrics into reviews that managers conduct for their employees? If so, are there any helpful resources you could share to ...
2
votes
1answer
89 views

very bad malware that masquerades as spyware?

Has there ever been a known case where a machine acquired spyware like a browser toolbar, or plugin but that spyware also deployed more dangerous malware like a trojan, botnet, or worm?
1
vote
1answer
135 views

handle user-session-cookie and csrf token correctly for javascript app

I have a django web app serving restful api endpoints and a javascript web app communicating with those endpoints through ajax. They are under the same domain but in different ports. server api ...
3
votes
0answers
102 views

Deny Skype video access in Linux? [closed]

I have noticed that despite having configured Skype to not access video, during startups it continues to access the webcam momentarily. Skype is not a user, so I am unsure how to modify its ...
0
votes
1answer
205 views

WordPress theme infected by 5a9fa481.megaline.co malware

I have a wordpress website always updated. I'v developed a theme from scratch for it, so my theme is clean as it was always. I use strong passwords generated by specific tools. Last 3 days my website ...
1
vote
1answer
97 views

Making a content injection target [closed]

I don't know much about content injection so I'm hoping to draw on the experience of the community here. I'm writing a tool that evaluates public web proxies. I want to know if the proxies are being ...
0
votes
1answer
338 views

Helpdesk role and local admins

I need to re-work our current security model for desktop computers, and would like some insight as to what changes can be made as well as best practices. Currently we have the helpdesk role that is ...
0
votes
2answers
712 views

How can I protect myself against programs that turn the webcam on without the indicator light? [duplicate]

Webcams can be turned on without the indicator light: to prevent unwanted use, I wonder whether there exist applications warning that the webcam is being used, or any other kind of protection. ...
5
votes
1answer
827 views

Is every hash format that nginx accepts for HTTP Basic Auth weak against brute force?

According to http://nginx.org/en/docs/http/ngx_http_auth_basic_module.html nginx can read password hashes of these types: crypt(), apr1, SHA1 & SSHA. This is how I understand how these hashes ...
4
votes
2answers
753 views

Windows Authentication and Session Ids

After a penetration test made upon an intranet application I'm developing, in ASP.NET MVC, one of the concerns raised was that the application supports concurrent user sessions and it is recommended ...
3
votes
1answer
339 views

Can a site I browse in private browsing mode tell if I visited it in regular mode before?

I've noticed when updating a blog, that sometimes refreshing the page won't actually fetch it again, because it is still in the cache. Now, even when I open it in incognito in that same browser(say ...
7
votes
3answers
2k views

Why is there a minimum username length?

In some (web) applications there is a minimum length for usernames, usually there is a restriction for a minimum of 6 characteres length. For example, free gmail accounts and miiverse (Nintendo ...
1
vote
1answer
2k views

Nessus No host data is available for this scan error

I encountered an error in Nessus result. Error: No host data is available for this scan. I want to scan ip 192.16x.x.x at Nessus.I scan this ip with nmap.Only 2 tcp port is open in this ip ...
-1
votes
3answers
176 views

Building a website with MAXIMUM website security [closed]

Well lets assume that someone is intending to build a website that will contain THOUSANDS of sensitive records such as credit cards etc. What would be a good checklist that would ensure that the ...
-1
votes
2answers
129 views

My Email Security is Low

I use Gmail to exchange confidential and important documents with my customers. The documents are read by an unauthorized person (during sending the email) that I don't know him/her. How can I solve ...
6
votes
2answers
879 views

Does WPA2 Enterprise mitigate evil twin attacks?

One of the dangers of using WPA2-PSK is the possibility that an attacker may setup another wireless network with the same SSID and even use the same access point MAC address via MAC spoofing. The ...
0
votes
1answer
201 views

Password algorithm to be integrated on a website

I have recently started a project to code a secure password protection algorithm to be used on both computers and mobile devices. As I have never done anything like it before, I am a bit unsure of ...
-1
votes
1answer
237 views

How secure are the new TLDs ( .us, .io, …) and do they compare to .com? [closed]

The introduction of the new top level domains (TLDs) such as .music, .books, etc. will increase the number of people and organisations adding and removing entries into the root DNS servers (.) for ...
5
votes
1answer
655 views

What is mutation XSS (mXSS)?

I was unable to find any good documentation or anything on mXSS. Can anyone give some info or give a link? I found a video and a PDF of the video's presentation: ...
2
votes
2answers
514 views

How to prevent user's mobile phone position tracked

Trying to follow up this post How to trace a (mobile) phone? , the answers on how to prevent being tracked while you own a mobile phone are: You cant. (even if you use disposable phones etc) 1) Why a ...
0
votes
1answer
250 views

Secret Santa and Windows Security

When i turned on my pc at the office this morning i found a file (text document) on my desktop saying that my secret santa salutes me and gave me a clue for where to find my gift. The weird thing ...
1
vote
2answers
206 views

Is QuickVPN Secure

Does QuickVPN create a secure tunnel or how does it work to provide encryption and security? When I did a see my IP it was using the remote locations IP and not my office network's IP so does that ...
1
vote
0answers
153 views

forcing a traffic redirect?

I am trying to get my machines to be force through a MiTM and the MiTM to redirect them to a server of my choice (which happens to be the MiTM on port 17002) I am running ip tables: sudo iptables -t ...
5
votes
2answers
378 views

TPM- Symmetric key storage

I understand that the TPM can be used to store an unlimited number of keys. However I am left with a few questions: Presuming the TPM is connected on the LPC what protects the data travelling across ...
3
votes
1answer
201 views

What kind of requests are those?

I receive a lot of requests like this: ip-10-80-XXX-XXX.eu-west-1.compute.internal:80 110.249.208.XXX - - [11/Dec/2013:10:27:17 +0000] "GET ...
1
vote
3answers
299 views

What is best method for retest blind sql vulnerability

I tested web site application with commercial automated tool.There are some blind sql injection.I want to retest this results .Is there any good method for test blind sql injection with tool or ...
0
votes
1answer
568 views

Import nmap scan results into OpenVAS

I have recently been introduced to OpenVAS for scanning our network at work. I am familiar with nmap, and I am happy with it's performance when used stand-alone from the cli, through iptraf I can see ...
6
votes
1answer
2k views

What does chacha20-poly1305@openssh.com mean for me?

OpenSSH just introduced a new protocol, chacha20-poly1305@openssh.com, which combines the two algorithms from DJB: ChaCha20 and Poly1305-AES. It was inspired by a similar proposal for TLS, which ...
4
votes
2answers
266 views

XSS when <, > and " are escaped

I'm pentesting a website that has a reflected XSS, or at least a vector for a reflection, but the issue is the following : It escapes <, >, " to their URL entities (not &, ) or () You are ...
5
votes
2answers
873 views

What is the difference between DHE and ECDH?

I learned that perfect forward secrecy is implemented through DHE and ECDH but what is the difference between these 2 key exchanges? Also can someone explain how perfect forward secrecy works? I've ...
0
votes
3answers
211 views

How to retrieve the admin's password of a webapp?

I'm doing a pentesting example on a web app and I have dumped all the database. I have a table with the users in plaintext and the passwords hashed. I have to find the admin's password (I know that ...

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