5
votes
2answers
145 views

What drives FIPS140-2 compliance?

I guess this questions is directed at Product Managers, but I would be very interested to learn what people in the know think. What are the most common factors that drives FIPS140-2 compliance for ...
3
votes
3answers
2k views

Recompute Rainbow table with salt?

So, as I understand it, you prepend a password with salt before you hash it so that the resulting hash can't be used with a rainbow table to find the original password, as you could if the password ...
11
votes
2answers
6k views

What can an attacker do with a stolen SSL private key? What should the web admin do?

What can an attacker do with a stolen website certificate and key? What should the website admin do upon learning this?
1
vote
1answer
74 views

Are there any FIPS140-2 requirements that apply when boot code is updated in the field?

FIPS140-2 standard specifies the following conditional test to be performed by the cryptographic module if software or firmware components can be externally loaded into a cryptographic module: ...
4
votes
3answers
775 views

How do polymorphic/metamorphic/self-encrypting/self-changing file infectors know if they have infected a file or not?

If a virus rewrites itself for each infection how would it know if it has infected a file or not? If it keeps infecting the same file soon the whole file structure will be corrupt. For example how ...
2
votes
2answers
2k views

HTTP TRACE vulnerability discovered - what should I do

First, why is HTTP TRACE method allowed on a website Isn't it a bad thing for web server or its users' security? Second, when I run the following PHP script via my browser... <?php $service_port ...
2
votes
1answer
3k views

How does small dish satellite secure their signal?

For example how does Direct TV's small plastic cards control who receives the TV signal? How is the signal encoded in a way that can allow future updates without the provider needing a new satellite? ...
5
votes
3answers
3k views

Delivery Failure Notification spam protection?

My domain (example.com) has recently been targeted by spammers who are sending email (somewhere) but forging the sender as random-name@example.com. I have been getting flooded by delivery failure ...
4
votes
3answers
34k views

How can I trace the IP address of person in chat?

Is it possible to trace my IP address when I am chatting with others (with gtalk or Facebook)? If so, how could someone do that?
2
votes
1answer
68 views

Does SGC Support reduce HTTPS security?

Server Gated Cryptography is a legacy technology (implemented by obsolete laws) that allows older browsers to establish a SSL session at a higher encryption. This article says SGC should never be ...
0
votes
1answer
564 views

Can the FiddlerCore library be used for Malware (e.g. MitM attacks)?

I've used the excellent Fiddler web debugging software before and have recently come across the Fiddler Core headless .NET library which gives you all the abilities of Fiddler in library form. It's ...
4
votes
2answers
149 views

Evaluating hosting providers for CC development environment

An organization that develops software that may be subject to security evaluations such as Common Criteria is looking to externalize part of its IT infrastructure, including critical components such ...
4
votes
2answers
1k views

Possible arbitrary file download vulnerability

I am auditing a possible vulnerable piece of ASP code on a Windows environment. The code is as follows: If InStr(strPath, "\Only\Download\From\Here\", CompareMethod.Text) = 0 Then Basicly it is ...
2
votes
2answers
369 views

Are these merchant integration instructions wrong about server-client interaction?

I'm working with a payment gateway that seems to have a fundamental misunderstanding of "clients" and how to protect sensitive data. The integration instructions are mostly about a "redirect" mode of ...
1
vote
1answer
238 views

IPtables - Accept Arbitrary Packets

I've achieved a lot on blocking attacks on GameServers but I'm stuck on something. I've blocked major requests of game-server which it aceepts in the form "\xff\xff\xff\xff" which can be followed by ...
-4
votes
7answers
2k views

Are passwords made up from concatenating a few foreign words better than shorter random characters? [duplicate]

Does it make sense to insert a foreign word into a paraphrase to mitigate against brute force? For example: "pussiMeansCatInEskimo" "caballoMeansHorse" "CatIsGatto" "SalopeMeansBitch" "...
3
votes
5answers
277 views

How can I easily determine if a website security company is reputable?

Is there a BBB-type listing or some other reputable badge I should look for when choosing someone to perform a security review?
3
votes
2answers
15k views

Does portforwarding present a risk to anonymity?

AirVPN by default has all ports closed but allows port-forwarding. I think this is required for P2P. Is this a threat to anonymity (e.g. would the person at the other end of the P2P transmission know ...
2
votes
1answer
2k views

What is the industry standard approach to disable weak ciphers to mitigate vulnerabilities?

Particularly this question is focused for Windows Server 2008 R2. I know the registry can be used to modify particular entries to disable weak ciphers if they are known. I saw this tool: http://www....
2
votes
1answer
3k views

What are the consequences of disabling ssl v2 and weak ciphers?

It is my understanding that IIS has ssl v2 enabled by default. Also, TLS 1.0, if enabled, allows for at least one known major vulnerability titled "beast attack". If the weak and vulnerable ciphers ...
4
votes
2answers
400 views

Should you label networking equipment? is this a security risk?

Should you label networking equipment? is this a security risk? if we label all the networking devices within our company with its host names are we potentially giving away info that we should not? ...
1
vote
1answer
446 views

What questions should I ask a prospective vendor that handles billing and fulfillment?

My company is currently looking to integrate a third-party vendor into our billing and fulfillment process. The vendor will be assuming responsibility for processing orders in our merchant account and ...
1
vote
0answers
45 views

What is Penetration Testing? [duplicate]

Possible Duplicate: What is the difference between a penetration test and a vulnerability assessment? What is Penetration Testing? When a security professional throws around these words, what ...
3
votes
4answers
2k views

Spider Attack from several search engines at once

Hello my server is getting hit by spiders from bingbot, google, yahoo, yandex, and some place in the UK all at the same time crashing it. While I have no reason to think any one person did this, it ...
2
votes
2answers
307 views

How do viruses know if they have already infected a system or done something?

I know some viruses repeat the same actions over and over again with no break, thus grinding the network to a halt. But others "take a break" from there repetitive actions. For example Nimda ...
7
votes
3answers
6k views

What does it mean for a digital certificate to be “signed”?

When someone says that a particular digital certificate (like an SSL cert) has been "signed with a key", what does that imply? Does that mean the certificate simply includes a key that should be used ...
2
votes
1answer
211 views

Inner Workings of Public Key Encryption

After watching this video explaining PKE with tennis balls (interesting), it left me with a few particular questions that I'm having trouble finding answers to: I assume that they keys used to ...
1
vote
1answer
587 views

Purpose and Uses of Root SSL Certificates

I'm trying to wrap my head around the technical inner-workings of SSL and one of the last things I'm choking with is the concept of "root" SSL certificates (as opposed to "non-root"?!?). When and ...
-3
votes
2answers
237 views

Malicious Script [closed]

Any idea what this does? === $=~[];$={___:++$,$$$$:(![]+"")[$],__$:++$,$_$_:(![]+"")[$],_$_:++$,$_$$:({}+"")[$],$$_$:($[$]+"")[$],_$$:++$,$$$_:(!""+"")[$],$__:++$,$_$:++$,$$__:({}+"")[$],$$_:++$,$$$:...
17
votes
3answers
870 views

What prevents people getting charged over NFC in crowded places?

I don't have an NFC-enabled device and I couldn't find any information about this in Google. What is it that protects me against an attacker with a portable NFC terminal charging payments by just ...
3
votes
1answer
237 views

Can I enter PINs or passwords into a FIPS140-2 crytographic module in plaintext?

Do passwords (or PINs) used for authentication of operators of a cryptographic module have to be protected (encrypted) when entered into the FIPS140-2 defined cryptographic boundary? Are the ...
2
votes
3answers
644 views

Secure device pairing protocol

I need to implement secure pairing between two devices based on a short shared PIN code with no trusted third party. If you think about the way bluetooth devices pair you won't be far off -- my ...
0
votes
1answer
300 views

Any small idea to decode this algorithm from PHP script [closed]

So I think the algorithm is based on the php function ENCODING_decode defined in includes/encoding.php (which i don't have) . The encoded result $xId_campaign_encoded from the php script has ...
8
votes
7answers
5k views

Linux or Windows- the security issue [duplicate]

Possible Duplicate: Open Source vs Closed Source Systems Almost anyone who has grown up on Windows must have had the notion (that I had) of Linux being more secure than Windows- one of reasons ...
0
votes
4answers
8k views

How to trace email?

Is there any tool to trace all emails? I need to trace ip address and location of sender address.I also need to identify emails from fake address.
1
vote
3answers
332 views

web application security testing definition [duplicate]

Possible Duplicate: What is the difference between a penetration test and a vulnerability assessment? When people talk about webapp security testing, do they usually mean vulnerability ...
2
votes
2answers
182 views

Why would encrypting data result in a call to a Domain Controller

This KB article mentions an issue where signing or encrypting information may result in a network IO call to a Domain Controller. Apparently the RSACryptoServiceProvider's SignData and VerifyData ...
3
votes
3answers
9k views

Block the HTTPS version of a website

I would like to block some websites from their HTTPS version and allow them on HTTP. The main websites involved are Youtube and Google Images/Videos. I am using K9 Web Protection on each computer, and ...
6
votes
4answers
4k views

Is dual-booting an OS more or less secure than running a virtual machine?

I run two operating systems on two separate disk partitions on the same physical machine (a modern MacBook Pro). In order to isolate them from each other, I've taken the following steps: Configured ...
2
votes
3answers
3k views

MITM: tools for intercepting and modifying traffic?

I want to carry out a MITM attack to modify traffic, so I can strip out/modify things in the request. For example: When I receive a request on port 25, I want to be able to intercept all the requests,...
8
votes
5answers
3k views

What do the various browser “private modes” do?

Recently there has been some disagreement as to what "private mode" means when it comes to various browsers. Primarily I am referring to... IE's "InPrivate Browsing" Google Chrome's "Incognito ...
4
votes
1answer
516 views

A simple example for showing the use of Data Execution Prevention (DEP) security feature

I am finding it really hard to figure out why we need a DEP! Microsoft states this about DEP: The primary benefit of DEP is to help prevent code execution from data pages. Typically, code ...
1
vote
2answers
2k views

How is mail automatically sent from my account?

Today I have received an email with an 'out of office' notification, as a reply to one of my emails, which I actually didn't send. I think it was sent automatically from my address, as a result of ...
3
votes
2answers
275 views

How to defend against invalid UTF7/8 that hides a <script> tag?

I'm scanning HTML before it reaches a browser, and I've just heard about a type of exploit that uses invalid UTF7 or UTF8 sequences to embed an otherwise invisible script tag, which is used to execute ...
2
votes
3answers
507 views

Where do organizations store their sensitive documents? How do they protect them?

Where do organizations store their sensitive documents? How do they protect them? What are the pros and cons for each method? (If there are multiple common ones) EDIT: I am more referring to ...
1
vote
3answers
896 views

Am I a Hosting service provider in a sense of PCI-DSS SAQ D Appendix A?

My company provides web applications to third parties. We develop, host and manage the applications ourselves. All access that third parties get is the application itself and a separate management/...
1
vote
2answers
524 views

Antivirus for Thesis

I just want to ask if you know any book or technical papers and theses regarding computer viruses and anti-viruses. 'cause we're having a hard time looking for updated books regarding anti-viruses/...
-1
votes
2answers
592 views

Request/Creating a Code Signing Certificate

I have need for a code signing certificate which is trusted by a CA in the windows domain. How do I request/create this certificate? Do I have to request a code signing certificate on the ...
5
votes
1answer
5k views

Will session_regenerate_id() without true parameter improves security? Should I use it right before login?

I want to decrease session fixation attack vulnerability, hence I used session_regenerate_id() before login. Somehow I'm in dark now and not sure the right answer for questions below: When we don'...
8
votes
3answers
515 views

How would one make a network resistant to the unknown?

I play in a game which includes normal risks, but also a wide range of supernatural powers which could affect the security of a network. These may be as prosaic as a retrieving data directly from a ...

15 30 50 per page