2
votes
1answer
386 views

Route traffic from iPhone to desktop and back

I have some iOS app to pentest, and the target server is accessible only through the jailbroken iPhone's APN. My problem is, that I want to configure the traffic in such way so I can intercept and ...
1
vote
1answer
433 views

Requirement 12.1.2 of PCI DSS: Is it enough to point to a standard process?

Item 12.1.2 of PCI DSS requires that the company's security policy: 12.1.2 Includes an annual process that identifies threats, and vulnerabilities, and results in a formal risk assessment. NIST ...
10
votes
7answers
4k views

Does adding dictionary words to passwords weaken them?

This might sound like a stupid question, but hear me out. If I'm encrypting my financial information and sensitive data via a program like TrueCrypt, the strength of the password is going to matter a ...
2
votes
3answers
4k views

Is it possible to list folder from my web server if i have an empty index.html in the root folder?

I have a small mongoose web server installed on my machine. I have a empty index.html in the root directory. I want to be able to share link with people i know, by creating a folder that look like ...
1
vote
3answers
2k views

Sending secure information from app with ssl

I'm a web developer, but I occasionally step over into doing some mobile app development here and there. A client recently asked me to help them develop a very simple app. The app is essentially just ...
1
vote
2answers
3k views

HTTPS Certificate mismatch alert before redirection

Let's analyze the following situation: A server is hosting 10 websites: site1.com - site10.com. Only one of these websites uses SSL -site1.com. If you try to access site2 - site10 over https the ...
4
votes
3answers
160 views

Where is the limit between an attacker and a victim (zombie) in a DDoS attack

Let's say that A is DDoSing B and I'm a member of his botnet. Who says that I'm not a real attacker but a victim? How you determine it?
8
votes
3answers
22k views

AES CBC padding when the message length is a multiple of the block size

Assuming that a 32-byte plaintext is encrypted by AES 128 CBC - is it mandatory to add 16-byte padding, according to the different padding schemes?
7
votes
3answers
2k views

Is using the same password for multiple TrueCrypted volumes safe?

I want to use TrueCrypt for encrypting multiple disk volumes. Assume I use the default cryptographic algorithm (AES) and hash algorithm (RIPEMD-160) and that nobody can get my passwords through ...
3
votes
4answers
992 views

Can an attacker reuse stolen SSL private key to recreate that domain on his server

Say my domain (https://example.com) SSL private key has been stolen and was not protected by a passphrase then. Can the attacker uses that key and certificate to host the same domain on different ...
7
votes
4answers
28k views

How to tell if you're being ARP poisoned?

I am having some issues at work and there is a new network admin in place. I think I am being monitored so decided to run ArpSpy X in two scenarios: Over WiFi bridge pluged into cisco router to took ...
2
votes
2answers
2k views

Why Nessus freezes at 0% and how to fix it?

Does anybody know why Nessus freezes at 0%? I am not sure that I've done the right configuration, but it is becoming painful How long approximately takes to scan one machine?
1
vote
1answer
112 views

set uid for reboot binary & pm-suspend : security hole?

I think all the question is in the title : For the use of my laptop to be more convenient I made a chmod 4755 to /sbin/reboot and /usr/lib/pm-utils/pm-action so I don't have to make a 'sudo' before ...
2
votes
2answers
1k views

Erasing Truecrypt keyfile(s) after volume has been mounted

To improve security to some extent, I use keyfile generation technique (to change an existing file into an actual keyfile). The actual keyfile is stored on volatile file system that doesn't survive ...
137
votes
5answers
96k views

What is certificate pinning?

I'm superficially familiar with SSL and what certs do. Recently I saw some discussion on cert pinning but there wasn't a definition. A DDG search didn't turn up anything useful. What is certificate ...
6
votes
2answers
1k views

Should content delivery depend on FCrDNS (forward-confirmed reverse DNS) look-ups and why?

First, let me clear that this isn't a duplicate of Does deliberately wrong information from a DNS server violate standards generally accepted good practices? thread, as I'm not interested in legal ...
1
vote
1answer
754 views

Using an off-by-one buffer overflow can I manipulate EIP to execute code located outside the target program?

This is for a Computer and Network Security class. I am not asking for the solution, rather just a pointer in the right direction. The target program has an off-by-one vulnerability and is compiled ...
0
votes
2answers
1k views

“Premium SSL” vs “Stanard SSL” certificates - Any reason why I would want a “Premium SSL”? [duplicate]

Possible Duplicate: What are the advantages of EV Certificate? besides the green URL bar and free security scan and whatnot. Our website does NOT accept any personal info other than email ...
1
vote
1answer
989 views

Can p2p use be traced by targeting a known individual rather than an offending IP Address?

My understanding of most filesharing lawsuits initiated by copyright holders is as follows: The monitoring agency will connect to a torrent swarm and collect the ip addresses of people downloading ...
8
votes
3answers
993 views

Generating random passwords by clicking randomly on the keyboard?

How secure is it to generate random strings/passwords manually for different purposes by just clicking randomly on the keyboard ? I usually need random strings for salts and for passwords, and I ...
10
votes
2answers
8k views

Salted hashes vs HMAC?

Most of discussions involving access credentials include references to "hashing salted passwords". Is this another way to referring to the HMAC algorithm or a totally different operation? Different or ...
2
votes
1answer
1k views

Are banks required to be PCI compliant?

Since credit card transactions like cash advance can be performed at most ATMs, are banks required to be PCI DSS compliant?
3
votes
2answers
1k views

Security evaluation of Vasco's Digipass Mobile SDK for OTP?

Has anybody worked with or integrated the Vasco Digipass Mobile SDK OTP generator into a custom mobile app for iOS devices? I am currently performing a full security evaluation of the solution ...
0
votes
1answer
69 views

Relative costs involved in making changes to the current organisational security

I need help understanding what is required by the phrase "a comparison of the relative costs involved in making changes to the current organizational security procedures". Am I to compare the cost ...
4
votes
2answers
2k views

How does processor architecture affect password hashing speed?

Does hashing speed vary significantly using different architectures (x86 vs ARM)? Scenario I am investigating the possibility of using a cluster of Raspberry Pi for cracking passwords hashed with ...
1
vote
3answers
987 views

“Due diligence” in PCI requirement 12.8.3

Item 12.8.3 from the PCI DSS requires the following: 12.8.3 Ensure there is an established process for engaging service providers including proper due diligence prior to engagement. What is ...
4
votes
1answer
755 views

FIPS 140-1 and FIPS 140-2

I tried googling for this info but it's not easily available because FIPS 140-1 is now really old. Does FIPS 140-2 automatically cover FIPS 140-1 - i.e. if a device (in my case an HSM - Hardware ...
4
votes
3answers
204 views

SQLi-protection ORDER BY

What would be a good check to remove all possibility of SQL-injection on an ORDER BY col where col is an unsafe variable? I'm currently removing [^A-Za-z0-9_] from the string in php. Is this too ...
1
vote
1answer
163 views

Is it secure to use ChangeHats for Web Application?

I was reading an article on "Profiling Your Web Applications Using ChangeHat" where change hats mean to use different security context for different portion of application. Following are lines taken ...
2
votes
2answers
1k views

What vulnerabilities in the OWASP Top 10 are relevant to WordPress?

I have been looking at the OWASP Top 10, and am wondering which of the top 10 security risks are relevant to a WordPress installation with various plugins installed? I know injections and XSS are ...
1
vote
1answer
1k views

Asymmetric crypto to store credentials in HTML LocalStorage

We are developing a Mobile web app where the users want (and it is a non relaxable requirement) to be logged for a very long time. The solution we are developing has a web-client part in HTML+JS and ...
6
votes
1answer
325 views

How exactly does Burp Sequencer calculate the values it derives?

I'm testing a Web application based on SAP for a customer. One of the checks we normally do is to analyse the cookie holding the session token to make sure that it is sufficiently random and you ...
4
votes
1answer
98 views

How does SSL implement server authentication?

I already know the basic concept like public key and private key, the message encrypted by public key can be decrypted by private key, and vice versa, but I just can't understand how client know the ...
5
votes
4answers
5k views

Finding all links under a website

How can i find all directories and links under a website? Note that there is no link from home page to all other pages. For example if i have a domain like this users.company.com and each user will ...
28
votes
2answers
32k views

Why does HTTP Basic authentication encode the username and password with base64?

RFC 2617 requires that in HTTP Basic authentication, the username and password must be encoded with base64. To receive authorization, the client sends the userid and password, separated by a ...
7
votes
2answers
252 views

Are temporary blocks sufficient response to network probes?

We have the option of using an automatic blocking feature of our firewall to temporarily block the source IPs of network probes. It is fast and automatic, and it expires after a set amount of time. ...
6
votes
2answers
1k views

What security standards and regulations are in place for bank ATM?

Are there any international or US mandated standards and regulations that apply to communications between automatic teller machines and bank's central office? Are banks or ATM operators subjected to ...
3
votes
1answer
1k views

Are there modules to harden Symfony 2 sessions?

We're looking at building a new app on top of Symfony 2, but security is our top priority. After digging around a bit, it seems that there are a number of built-in options for Session management (eg ...
10
votes
2answers
4k views

How can I find websites owned by a particular company?

I wanted to know how can I get info on what sites are owned by a certain company. I need it for bug bounty programs. For example, how can I find what sites are owned by PayPal, like what sites have ...
0
votes
3answers
373 views

how Cookie tracking threat works?

as explained here and lots of other cases , what is this tracking story ? browser vendors say we have same origin policy and for example google.com can only read cookies saved by google.com or read ...
19
votes
5answers
2k views

From a security standpoint should users be asked to confirm their password when registering?

Is it advisable to have users re-type their password to confirm it's correct? On User Experience the general consensus seems to be no but I'm wondering if this has security ramifications? EDIT: my ...
3
votes
2answers
810 views

What should I have prepared for a PCI compliance onsite assessment?

The company I'm working for is about the undergo PCI compliance onsite assessment. The PCI DSS has a kind of checklist, but it is all very vague and abstract to me. So I'm not quite sure what I need ...
4
votes
2answers
3k views

What are the differences between ssh generated keys(ssh-keygen) and OpenSSL keys (PEM)and what is more secure for ssh remote login?

I have learned there are 2 methods to make SSH remote login easier and secure , those are; ssh generated keys (using ssh-keygen)OpenSSH Keys PEM (.pem) keys usually generated with OpenSSL (Amazon ...
3
votes
2answers
3k views

How to satisfy requirement 10.6 of PCI DSS?

The company I'm working for is applying for PCI compliance and I'm in charge of writing most of the required procedures and policies. The problem is that I don't have any experience with IT security, ...
2
votes
2answers
152 views

Which hard disk encryptions schemes are tied to the original hardware?

When using a laptop, an encrypted HD/SSD can be an important security measure. However, laptops are prone to accidents (fluid spills, dropping on the floor, etc) that may mandate some or all of the ...
7
votes
3answers
6k views

Reverse engineering and Java

Is java class file or jar file is easy to reverse engineer? Because java generates a class file after compilation and not exe files. Is jar and class files are easy to decompile compare to c# and C++? ...
3
votes
2answers
253 views

What goes into an average incident response process for a corporate network?

I'm trying to brush up on the more process-orientated and policy-orientated side of security, and am interested in incident response. I understand that most security-competent businesses have some ...
1
vote
1answer
318 views

How to capture packet using agent in JADE (Java Agent Development Framework)?

I need to design an IDS using Mobile agent. Can anyone suggest how packet capture software is efficient in JADE, how to match the captured packet for intrusion?
35
votes
2answers
9k views

How many OpenPGP keys should I make?

I am learning how to use OpenPGP keys in GnuPG, and I am wondering what is the threshold people generally use to maintain separate OpenPGP keys. Maintaining an incredibly large number of keys is not ...
3
votes
1answer
2k views

Best practice advice - folder security (windows environment)

An executive at the company I work for has asked me to set the permissions on a specific network folder so only they can access it. I don't usually do this, but in this case I need advice on the best ...

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