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

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8
votes
3answers
502 views

How does an attacker approach a website?

What is a typical mindset and method of approach? What are they likely to try first? At what point does a novice give up versus an expert? How would an automated attack differ from a manual one?
2
votes
3answers
132 views

I want to implement a new type of security feature over several platforms

I want to make a security feature that will go farther in discouraging people from looking through a secure system or server than what I have seen being implemented. Specifically, is there a way (or ...
2
votes
1answer
574 views

Token Based Authentication & Pass-the-hash Attacks

Do token-based authentication solutions (such as RSA SecurID) mitigate tools like incognito and/or pass-the-hash tools?
0
votes
2answers
251 views

Any Books/Sites/Writeups on IRC bot Security?

I've written a scriptable IRC Bot and I want to harden it against exploits. To that end I've already written it so that it ignores its own messages (so that, for example, even if it echoes back valid ...
7
votes
4answers
835 views

Gmail account hack prevention and recovery

I am doing a research on how to prevent my gmail account from being hacked and what are the options of claiming it back. The associated phone number and recovery email can be changed, in fact I ...
4
votes
1answer
191 views

Can I safely post the output of lspci, lsusb, lshw?

I'm having trouble with my SD card, and have been asked to inspect the output of tail -f /var/log/syslog, sudo lspci -v -nn, sudo lsusb, and sudo lshw. tail shows nothing when I insert the card, so ...
3
votes
2answers
169 views

How to demo a new 0-day security product?

We are a development team working on a new 0-day protection security product. We aim to protect against new unknown 0-days attacks against servers. We have a very strong solution ready to demo. The ...
3
votes
1answer
387 views

Can format string exploit bypass the PaX protection?

I'm trying to find info regarding how format string exploit can bypass the PaX protection mechanism. As I understood PaX just features ASLR and NX protection. So I wonder if an attacker should use ...
8
votes
2answers
3k views

Preventing man in the middle attack

I recently did a man in the middle attack on my college LAN (for purely educational purposes:)). I simply wrote a raw socket application that pumped ARP reply packets advertising my MAC address with ...
6
votes
4answers
1k views

Is this type of ARP poisoning attack possible?

I am wondering if it is possible to paralyze a network by sending out a bunch of fake ARP response packets. Some basis: I recently read a moderately detailed description of how ARP and ARP poisoning ...
12
votes
2answers
430 views

Detecting website attack attempts

I am currently trying to implement some recommendations from OWASP AppSensor Project and I'd like to respond to attacker, when he tries to break into my website. Is there any resource ...
5
votes
3answers
326 views

How do I defend against known php hacks

I have IPs attempting to probe our web server trying to find open URLs. The two known methods are attempting to find specific nodes on our drupal site, or attempting the ../../../../ trick to try and ...
8
votes
2answers
1k views

How to defend against SSL-Exhaustion attacks?

The problem of SSL-Exhaustion attacks is well known for years, but nobody really cared until THC released their exploit-tool recently. THC talks about counter measurements in their release: No real ...
1
vote
2answers
246 views

Is the OData Protocol susceptible to Insecure Direct Object References?

The Open Data Protocol or OData is a great protocol created on top of Web Technologies.It uses the URI convention for the data exchange using Atom, JSON and XML. You can use the URI convention ...
8
votes
4answers
257 views

Staying safe, but still connected, at security conferences

If one is to spend some time away from home and work in a hotel environment where neighboring users can at least be presumed to be mischievous (if not actually malicious), what are some measures that ...
10
votes
6answers
382 views

Should we configure all devices to never request SSL 2.0, and reject it if offered?

In an effort to reduce man in the middle attacks, when will it be (or was it) an industry accepted practice to reject SSL 2.0 connections on the client and server side? Is configuring this on a proxy ...
8
votes
3answers
684 views

What is sandboxing?

In security discussions, the topic of sandboxing often comes up. What is application sandboxing? How does it work, and what security vulnerabilities does it prevent?
3
votes
1answer
176 views

What useful security reports can be extracted from a Windows-based machine and its' related logs?

What logs and event IDs should I be paying attention to when looking at a Windows-based machine (workstation, server, Domain Controller)? Assuming I can aggregate them into a report what ...
12
votes
3answers
1k views

Bypassing Address Space Layout Randomization

How effective is ASLR in preventing arbitrary code execution in a buffer overflow type exploit? How hard is it for an attacker to bypass this without simply guessing where the addresses are?
10
votes
7answers
1k views

Whitelisting DOM elements to defeat XSS

As we know, developers are responsible for correctly escaping/validating data provided by the user before rendering or storing them. However, we must agree that it's relatively easy to forget a single ...
7
votes
4answers
236 views

Security papers or material focusing on the industrial control systems (SCADA)

Anyone know a good site or a list of resource to start to know issue related to the security of SCADA system ?
5
votes
3answers
459 views

How to respond to attack made from my dedicated server?

There was a sudden unusual peak of outbound traffic from my hosted dedicated server (OS - Windows Server 2008 R2). The hoster threatened to block the server if the problem is not solved. There are an ...
7
votes
2answers
226 views

What to add to a repeating security checklist?

I work in a smallish company (100-200 computers and a handful of servers) and I am trying to come up with a checklist of things to check at a regular basis, such as weekly, monthly, etc. We use ...
10
votes
2answers
3k views

How to address XSS security issues in FCKeditor / CKeditor?

A security report we conducted through an outside company reported XSS vulnerabilities in FCKeditor which we're using in our PHP application. They pointed out that accessing URLs such as: ...
25
votes
6answers
368 views

User input data, is filtering enough or should it be parsed?

In a webapplication there could be two approaches to migate XSS attacks. All the input data could be filtered (removing all 'bad' data), or the input could be parsed, tokenized and output with only ...
5
votes
1answer
2k views

What are the security implications of enabling WINRM on all domain members?

As Powershell becomes more and more popular, it appears that using WINRM may end up being a better option than using PSEXEC from SysInternals for remote management. Given that WINRM is disabled by ...
0
votes
1answer
310 views

Wordpress online pharmacy hack? [duplicate]

Possible Duplicate: Protecting WordPress installations anybody knows how to protect your WordPress website from online pharmacy spam, even after deleting all spam files and deleting spam ...
6
votes
3answers
493 views

Appropriate defense for 404s in my logs - persistent web scans from one region

This seems to be a fairly easy question to figure out, but I wanted to make sure. I've got about a thousand entries on one of my web servers with phpmyadmin in the connection criterion, but as I ...
4
votes
4answers
211 views

Attack where browser URL appears valid

I remember reading about an attack where the "location bar" in a user's browser displays a valid URL (e.g. https://www.paypal.com/), but the traffic is really being directed to or intercepted by an ...
0
votes
2answers
1k views

How do we protect our server from anonymous hacker? [duplicate]

Possible Duplicates: Hardening Linux Server How to best defend against Targeted Attacks? I read this news: Anonymous hacker group hits Apple, publishes data My question: How do we ...
6
votes
3answers
440 views

Virtualization as a layer of security for desktop computers?

Given the amount of 3rd party plugins required to browse the web, I've been compelled to virtualize my online habits to gain an additional layer of security. There is of course some obvious ...
8
votes
4answers
2k views

How can I detect and block bots?

For example, if I am on stackoverflow and I refresh my page several times in a row, it starts to think I am a bot and blocks me. How can I build something like this into my own site?
13
votes
4answers
574 views

How to protect off-the-shelf web applications?

As an exercise, please consider the following: If you are faced with having to deploy off-the-shelf web applications that you are unsure about the vendors security coding practices, which techniques ...
65
votes
13answers
13k views

Why do sites implement locking after 3 failed password attempts?

I know the reasoning behind not letting infinite password attempts -- brute force attempts is not a meatspace weakness, but a problem with computer security -- but where did they get the number 3 ...
11
votes
5answers
600 views

How to best defend against Targeted Attacks?

We have seen this attack method grow as part of Advanced Persistent Threats (operation Aurora against Google or the G20 French Finance ministry attacks come to mind) but I have no doubt that even ...
9
votes
1answer
3k views

SSL replay attack when client/server random is missing

Hey studying the SSL protocol, I'm wondering how can someone be able to do a replay attack if the server nonce is missing? All the material I find says that nonces prevent it, but theres no examples ...
8
votes
2answers
997 views

MIME sniffing protection

As it is known, older versions of MSIE (before 8) have a nasty habit of treating images as HTML if they "look like" HTML, which can lead to nasty vulnerabilities for sites that allow people to upload ...
16
votes
3answers
2k views

What steps should be taken to validate user uploaded images within an application?

Recently I have worked on a number of applications that need to process user uploaded images steps have been taken to validate the extension and the mime type. But what else can be done to ensure ...
-1
votes
2answers
408 views

What can one define as quality criteria for an XML Schema?

One of the usage of Input validation, is to be protect against XSS. In case one would need to define best practice for the functions validating the input, then some (which I am calling quality ...
4
votes
2answers
164 views

How can my country's legal/telecoms environment protect against cold-callers conning a remote-access session to the victim's computer?

My local region in Australia is being targeted by a scam whereby victims are cold-called and told that their computer is sending 'errors' to caller at 'Windows' which should be fixed ASAP, and they ...