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

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2answers
842 views

CSRF Login: can Attacker Login using valid credentials?

Considering this picture: taken from here:page21 Is this possible? If so, How to prevent it?
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2answers
945 views

External IP same as Internal IP security

Where I live my ISP does not give IP addresses out. My external IP address is the same as my external if I plug directly into the wall with no router. My ISP does give everybody a "router", that is ...
2
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3answers
134 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
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1answer
3k views

How to Prevent This `Intrusion.Win.MSSQL.worm.Helkern`?

Sometimes my kaspersky Internet Security blocks this attack. What is this and how can I prevent/solve it for ever?
2
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2answers
62 views

Violation of security principles?

It's clear that keyless entry fobs, smart entry cards, NFC, etc. are vulnerable to relay attacks. Suppose they were improved by limiting the period of activity, eg let them be active only when they ...
2
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4answers
76 views

Preventing phishing of few critical websites

Suppose $S$ is a set of known websites which are very important. Assume there is an anti-phishing tool company $A$ which is aware of such websites. Can the company A reliably develop an anti-phishing ...
2
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1answer
131 views

Boot Attacks possible on encryption keys used in virtual machines

Is it possible for an attacker to restore passwords or encryption keys that one has used in a virtual machine the same way like restoring keys that have been used in a standard system applying a boot ...
2
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1answer
227 views

How to deal with misbehaving clients on an authoritative server?

My coworker and I are developing an authoritative server for an MMO. We can't agree on how to handle "misbehaving" clients. Misbehaving, in this case, means clients who send "odd" requests that might ...
2
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1answer
494 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
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1answer
320 views

White-Box Cryptography Questions and References

I have recently started reading about White-Box Cryptography and looking at references/papers/web sites. A have a few questions I was hoping to get guidance on. As far as I can tell, WBC has ...
2
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3answers
157 views

What prevents a coder from brute forcing a wifi?

I know that a coder is able to connect to a wifi through code so my question is: Is there anything that will make it difficult to brute force a wifi password?
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2answers
2k views

CORS & CSRF Prevention for an REST based API

I'm currently trying to wrap my head around how to prevent CSRF. My first solution was to use a token which is suggested everywhere. That would of course fix this problem: <img ...
2
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1answer
753 views

GnuTLS ServerHello exploit (CVE-2014-3466) - how to verify?

So pretty much all of the GNUTLS world is worrying about CVE-2014-3466. I checked my Kali and it responds with this - # apt-cache rdepends libgnutls26 | grep -v lib Reverse Depends: ...
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2answers
4k views

IIS Host Header Attacks

Is IIS and ASP vulnerable to the same Host Header Attacks we have seen on Apache and Nginx? Specifically the attacks that use the HTTP Host Header to reset a password or implement web-cache poisoning. ...
2
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1answer
991 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 ...
2
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3answers
597 views

How good is validating source with request.referer than checksum?

I have 2 portals(both are under my control & domain names are different) In 1st portal, there is a link on click of which User can directly get logged into 2nd portal. Link which will be hit in ...
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1answer
137 views

Where can I find articles about identity disclosure attack?

Where can I find more details about identity disclosure attack and it's prevention? If the adversary tries to steal the identity of an individual like mobile patterns and start appears in various ...
2
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1answer
180 views

Reflection Attacks on Server

I was reading a research paper entitled "Steps to Defend Against DoS Attacks" when I came across this point: "A reflection attack on a server would require server-client-server communication, ...
2
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1answer
737 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?
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0answers
13 views

Find the source of a recurrent mass SQL edit on a server [migrated]

I'll try to explain my problem as clear as possible. The server of a company I support runs many websites. This server runs Windows Server 2012 with Microsoft SQL Server 2014. Almost all of the ...
2
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1answer
30 views

Opening window from secure site domainA.com, to partner site domainB.com - with short TTL encrypted query string

I am looking into a proposal and need to find reasons as to why we might not perform the suggested solution. Here is the problem: www.domain-a.com is a secure website dealing with customer ...
2
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0answers
225 views

Backdooring vulnerable lighttpd installed on wireless AP [closed]

I have an AP at home and I'm trying to secure it as much as I can. I found an bug by accident. My AP has 3 ports opened: 22/ssh 53/dns 8081/blackice - icecap What I found is that my port 8081 ...
2
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1answer
992 views

External network DNS spoofing

I've been thinking recently if its possible to DNS spoof an external network. Let's say for example you are attacker.com and your victim is of course victim.com. Then I've thought of 2 scenarios: 1. ...
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2answers
353 views

Preventing Illegal Access to Webservice

Let me start off by saying that I read other StackExchange questions related to this and they weren't really able to answer my question. I have a feeling this may be an unsolvable problem, but I'm ...
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3answers
768 views

Are Facebook, Yahoo, Google, etc. hackable?

What I would consider to be hacking one of these services is something along the lines of cracking databases (or I think what would be databases). In reality, I have no idea how sites like these store ...
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3answers
124 views

What type of attack is this?

Attacker purchasing something from e-store when attempting to tamper with requests and change the transaction amount value. What type of attack is this? How to prevent this kind of attack as the bank ...
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3answers
198 views

Unknown hijacker/popups on the browser

I was cleaning my father’s laptop which was recently infected by a fairly tenacious piece of malware. It hasn't given any great clues as to what it is named or anything of that sort and thus far ...
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2answers
1k 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. ...
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1answer
2k 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 ...
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2answers
427 views

How to verify correct, secure and test setuid?

I've been looking into setuid vulnerabilities. Particularly, I am looking on OS X (10.5+) but other modern *nix distos apply as well. For example, I found a world writable suid file installed by a ...
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5answers
201 views

How to replace a constant identifier, for a resource on a network, with a variable one?

I guess the example can make it easier. Assume each Client on a network has an identifier(some alphanumeric sequence) which identifies it uniquely on the network. Each time the Client corresponds ...
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3answers
190 views

How to Stop DDoS Attacks by simple function on web server?

I have an overview ideas of the preventing ddos attacks, in a simple way. Please clarify me, if my thinking is wrong. Option 1 From the basic understanding of the DDOS attacks is that the attacker ...
1
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3answers
1k 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 ...
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2answers
738 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 ...
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2answers
927 views

Tampering req.getParameter() Vs req.getAttribute() [closed]

Is following code vulnerable? If yes, how it can be exploited? <% Boolean redirectToSomeSite = (Boolean)request.getAttribute("redirectToSomeSite"); String someSiteUrl = ...
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2answers
1k views

How is iptables useful to prevent attacks against a LAN?

I need some advice securing a LAN using iptables. I've found lots of examples on how to secure single host with iptables, including scanning ports, attacking using ICMP-flood and TCP-flood. These ...
1
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1answer
450 views

Have I done enough not be compromised through image uploading

I know that you can never be sure that you have done enough to be secure, and I also know that file uploading is hard to make correct. Before asking this question I read some of the related posts here ...
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2answers
209 views

Precauations for web application security audit

We have planned to give our web application to a third party vendor,what were the precautionary measures which we need to take care before giving our application to third party vendor? As the vendor ...
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3answers
6k views

What is a salami attack?

Can someone give a clear definition of a Salami Attack? In the book Security in Computing (4th Edition) by Charles P. Pfleeger. It is stated as a attack to data integrity and I quote the passage: ...
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2answers
420 views

Are buffer overflows on websites stoppable?

Recently, I was at the bookstore checking out books on computers. I found an interesting book on various types of hacks and how to stop them on your servers. One that caught my eye was the "buffer ...
1
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1answer
125 views

Force DNS to attach bad IP address

The question is not professional, but what I'm trying to say is... Is there any way to inject or force the DNS server to attach/change an IP address for some site. For example, I'm running an apache ...
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3answers
71 views

Securely verifying a user based on bio metrics [duplicate]

So we all have cameras on our phone, and we all have faces on our bodies(hopefully). We all also have a want to keep our data safe and secure. To that end many companies have tried to make secure ...
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2answers
210 views

How to know what personal information companies know about myself

I've been learning about Cyber Security and how to protect myself online after reading some books on the subject and I want to know how much Information i've handed out to companies.
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1answer
91 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 ...
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1answer
71 views

Retrieve anonymous credentials

Background A registration process to acquire an anonymous, verified account goes like this: Registrant provides proof of individuality to a Registrar. Registrar verifies proof, ensures no prior ...
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2answers
116 views

Firewall Security vs Anti-Virus

Overview of my question I want to create a secure Window's system without the use of an Anti-Virus program. Whilst I know there are many on-demand and live-scanning anti-virus programs readily ...
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1answer
320 views

Root/Naked domain and DDOS

Some services like Github has DDOS mitigation measures for their root/naked domain, but not other subdomain(s). What so special about the root domain concerning the DDOS attacks? [1] ...
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2answers
188 views

Which exploit types does software diversity have a benefit against?

This classical paper of Paul van Oorschot: Revisiting Software Protection, mentions in section 3.4 that by employing software diversity "an exploit crafted to succeed on one instance will not ...
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2answers
1k 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 ...
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2answers
601 views

How to stop a (malicious) endless loop

Few days ago someone tried to crack my site using a Remote File Inclusion attack. The attack was blocked by my Web Application Firewall, but I was curious about the file. So I downloaded it started to ...