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

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1
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3answers
180 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 ...
0
votes
1answer
40 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 ...
3
votes
2answers
66 views

How to sanitize archive files?

I am looking for a way to make sure that a particular archive file does not contain any sort of malicious code. From time to time new vulnerabilities pop up (e.g. gzip, 7zip) so I though a good idea ...
0
votes
2answers
134 views

Is it safe to auto-fill credit card numbers using Chrome?

Is it safe to auto fill credit card numbers using Chrome? Does it safely store the credit card information? As far as my understanding goes, it just shows asterisk values but on click it reveals the ...
2
votes
4answers
59 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 ...
0
votes
2answers
38 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 ...
0
votes
1answer
83 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 ...
1
vote
1answer
51 views

explanation of an nmap behaviour

I'm testing some vulnerabilities on a machine which has the port 22333 opened (it's used as the ssh port, and I can connect to it without any problem and the telned command get connected): $ telnet ...
-3
votes
1answer
55 views

Attack Vectors an ISP could use

Id like to protect myself as good as possible from my ISP. I am aware of the fact that they could forward my requests to possible fake Websites containing malicious scripts or plug-in content. ...
6
votes
3answers
269 views

Random URL string: What kind of attack is this, and what can be done to stop it?

I work for a company that has a public facing website for our customers. In the past several weeks, we have been seeing a series of log entries that look like this: The controller for path ...
4
votes
4answers
239 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 ...
1
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0answers
18 views

Why is OWASP CSRF-guard falsely detecting an attack when a user simply navigates to any page in my web-app? [migrated]

I'm trying to use OWASP's CSRF-guard in my Java Spring-MVC web-app but it's detecting a CSRF attack for any action a user makes. The web-app loads and as soon as the user tries to navigate to any ...
1
vote
3answers
2k 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: ...
2
votes
1answer
679 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: ...
0
votes
1answer
75 views

What is safebrowsing.google.com ?Does it impact the security testing?

I recently security tested my web application using Firefox browser and while pentesting my webapplication i noticed safebrowsing.google.com,while i diged more about it ,i could able to retreive only ...
2
votes
1answer
138 views

Mentioned On A Blog By A “Hacker” - Should I Care?

Some (insert noun here) who seems to be a black hat hacker thinks that I am his #1 enemy and has posted some of my information on his blog. He is mad because I am advertising for others. The ...
1
vote
0answers
23 views

how IKE (Internet Key Exchange) protocol reacts to the replay attack?

I mean how IKE in any mode (quick,aggressive, main) responds to an attacker that tries to replay one or more messages?
42
votes
7answers
9k views

Should I change the default SSH port on linux servers?

Is there any advantage in changing the SSH port, I've seen people do that, but I can't seem to find the reason why. If you have a strong password and/or a certificate, is it useful for anything? ...
3
votes
2answers
58 views

Clipboard Possible way to extract sudo password from running system?

I use to copy and paste my sudo password from a keepass file so i guess the plain text user password will be saved in RAM at some point when i use it fe to accept an update, is that right? Would it be ...
11
votes
4answers
2k views

Are short usernames a security concern?

I was somewhat suprised that the sysadmin approved a one-letter username like "m" and my username is also short ("nik"). I think that if usernames are brute force attacked then the username should ...
18
votes
5answers
3k views

The Perfect Mousetrap - Can a sandbox system be designed such that it's identical to an actual computer? [duplicate]

In testing suspicious files for malware, the typical method is to search for known malicious code. This is why zero-day malware attacks can be so dangerous — their malicious code is previously unknown ...
1
vote
3answers
115 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 ...
15
votes
3answers
695 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
85 views

(httpd log files) What kind of attack is? How can I prevent it? [duplicate]

In my log files I see hundreds of these registers. I have to say that the client ip changes sometimes. So there are 3 or 4 ips sending this requests... The othersite.something (that I ommited) is ...
0
votes
0answers
32 views

Does NDP (Neighbor Discovery Protocol) reduce ARP (Address Resolution Protocol) attacks?

I read the comparison of NDP with ARP but am uncertain if NDP does reduce any amounts of ARP attacks, given that with NDP, ARP is not used for address resolution. For the discussion to be specific, ...
3
votes
1answer
111 views

Enterprise Security : Where to Start? [closed]

I am trying to start self studying of Enterprise Security Context, but always feeling kind of lost among all the specs and standards etc. Unlike software development, this really is a challenge as far ...
1
vote
0answers
25 views

Use cases for IPC security windows communication

There are two processes on windows machine. One is in user space and second is a service. User space process sends data to service. Because iam starting to think about securing somehow communication ...
3
votes
1answer
222 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 ...
1
vote
1answer
58 views

Attack coming from multiple IPs

I have an attack coming to a specific path repeatedly - every 10 minutes or so, the same exact address gets pinged. I know this because I keep getting an error message in my Drupal logs about an ...
1
vote
0answers
34 views

Possible exploit while MPLS parsing with Bottom of Stack bit

My current task to parse MPLS label in a packet and store them in to a list. When I check packets with MPLS: One can understand it is the last MPLS header by checking Bottom of Stack bit. If ...
0
votes
2answers
65 views

How to prevent yourself from exploitable browser?

If we suppose that an attacker has a zero-day vulnerability for a major browser, and can exploit this vulnerability. How can a Linux/Ubuntu user secure themselves from downloading malware (like ...
0
votes
1answer
354 views

Recent “attack” to my server that might be using shellshock exploit

I just notice this repeated entry in nginx log: 31.184.194.114 - - [04/Mar/2015:10:29:53 +0700] "GET /cgi-bin/up.cgi HTTP/1.1" 301 178 "-" "() { :;};/usr/bin/perl -e 'print \x22Content-Type: ...
1
vote
4answers
789 views

Configure Firefox against malicious 302 redirect from a embedded image resource?

Today my friend demonstrated such a attack. I am using RenRen, a social networking website in a way very like Facebook in China. And I saw an article he wrote. Actually there is only an "image" ...
0
votes
1answer
71 views

DDoS Detection devices available in the market? [closed]

Wanted to know what DDoS detection devices are currently available in the market.My organisation has its dedicated firewalls and routers.But we wanted to know if there are any devices in the market ...
1
vote
0answers
97 views

Can a Radius server mitigate an ARP spoofing attack?

I'm helping my school network administrator to try to find a way to mitigate a current ARP spoofing attack on our wifi network. We detected an unknown host (MAC address seem to change, he is probably ...
1
vote
1answer
62 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 ...
42
votes
4answers
5k views

Is it good practice to ban an IP address if too many login attempts are made from it?

Since an IP address does not necessarily represent a specific device, but probably a whole network/company/etc. does it at all make sense to block an IP address if there is a significant amount of ...
6
votes
2answers
2k 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 ...
3
votes
2answers
278 views

If I send 4mbps of data to a friend with 4mbps connection, will I DDoS him?

Suppose my friend has a connection of 4mbps. If I just send him 4mpbs of random data with my server, wouldn't it block his connection? Even if the router has firewalls and closed ports, isn't enough ...
8
votes
1answer
188 views

Setting up own enterprise SOC

the other day I was talking with a service provider (MSSP) who have experience with operating SOC (security operations centre) 24x7. Their price was rather steep (in the millions range). I don't ...
0
votes
1answer
101 views

Why use one URL for all “pages” on my site?

I have heard that I should (A) use one URL for all "pages" on my site, such that what page is shown is determined by the session state, and (B) don't use an extension like .php. One curious fellow ...
-6
votes
1answer
59 views

network IDS capabilities for attack detection [closed]

Is a Network Intrusion Detection System (NIDS) (pattern matching, protocol analysis or behavior analysis) able to detect buffer overflow in the network traffic?
-1
votes
1answer
266 views

Hack to change the webpage of a website? [closed]

Recently, there is a website by Malaysia Airline got hacked and their main page has been defaced, below is a link to that article ...
31
votes
9answers
7k views

Is it bad to have cameras using a static IP address?

I am about to move in a new house, and I would like to install some security cameras. The contractor told me that in order for me to check the videos recorded by the cameras in real time when I am ...
12
votes
8answers
5k views

Can malware be attached to an image?

I have a small number of employees who use a company computer but these people aren't very tech savvy. They use an email client and a messaging client. I'm pretty sure they wouldn't click on .exe or ...
0
votes
0answers
145 views

Is there any method to prevent/trace ddos attack?

I have a debian linux server which run a few online game services. I have some competitors in this area and i think one of them is behind the ddos attacks. I have full access to the router, so I set ...
47
votes
6answers
17k views

What techniques do advanced firewalls use to protect againt DoS/DDoS?

It is hard to protect a server against Denial of Service attacks, DoS/DDoS. The two simple ways I can think of is to use a server with much resources (e.g. CPU and memory), and to build the server ...
0
votes
1answer
59 views

MITRE's UEFI 'Extreme Privilege Escalation' and HP's SureStart [closed]

This is MITRE's powerpoint presentation version of their report: http://www.mitre.org/sites/default/files/publications/14-2221-extreme-escalation-presentation.pdf Page 54 is a straight pull from HP ...
73
votes
2answers
18k 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 ...
-1
votes
1answer
58 views

Mitigate DDos on Windows box

I would love to know, If you know some way to mitigate DDos/Dos attacks on Windows. In Linux we can Mitigate using the IPTables Almighty, but I wonder If there is something like that in Windows. ...