Network Security - securing network infrastructure and connections

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0answers
26 views

Reasonable means of security in commercial dealings [closed]

I am writing a paper from a legal standpoint and I'm suggesting legislation for a new duty of care for private companies in the safeguarding of customer's personal information. This will not apply to ...
1
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1answer
51 views

MitM attempt resulting in ICMP redirects

I am trying to 'man in the middle' a device on my wifi network. I have configured it to use my Linux machine (also in the wifi network) as a default gateway. On the Linux (attack) host, I switched on ...
1
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1answer
39 views

Is Windows 10 [Password protection on wakeup] set to 'Required' relevant when machine is asleep?

I like to just hit the spacebar and have the machine ready without the extra fuss (many times a day.) No one untrusted has physical access to the machine, but it wakes up at ~3am and does updates and ...
5
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3answers
115 views

Full Disk Encryption and Network security

I very recently had a job interview in which the interviewer asked me how full disk encryption helped improve network security? Initially I believe they are seperate and not linked, FDE is local to ...
0
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3answers
100 views

Is it possible to obtain the WPA key of a wireless network while connected to it with an Ethernet cable?

I know that there are ways to view saved WPA keys, but I am trying to figure out how to get the WPA key of an access point while connected to the same domain over Ethernet. Also, what if the router ...
3
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2answers
137 views

Preventing man in middle attack (LAN)

I am working on a local area chat application which would simply establish connection between two sockets on the LAN and proceed with communication. Now focusing on security, my main concern is to ...
-4
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1answer
80 views

How to stop ip hacking? [closed]

Some people I met in a chat room about 2 months ago hacked me and have been stalking me and sending me stupid messages ever since. I've recently formatted my computer (December 22) in an attempt to ...
13
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2answers
3k views

Is this a secure data exchange scheme for a game?

I am writing a multiplayer game. I have a central server which processes everything. For data exchange I use HTTPS protocol. Because this is a game I cannot use computationally expensive systems like ...
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3answers
98 views

Is there a way to isolate every device on my network?

As it is every device on my network and every app on those devices could be hacking my other devices on my network. The app I just downloaded to my iPhone might be looking for known exploits in my ...
2
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1answer
39 views

Wired Deauth-Like Attacks

[story] Good Evening Guys, I just got out of a lan house which uses a system named Geto (Geto Lan House Management System 4.0), and I was wondering if it is hackable. [/story] While searching for ...
2
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2answers
284 views

How to capture WhatsApp API requests using Fiddler?

I am trying to capture WhatsApp network requests and not able to do it using Fiddler. This is what I did: Installed Fiddler. Exported Root certificate and installed on my Android device. I modified ...
0
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0answers
32 views

Tools or scripts to automatically block IP's from threat feeds via IPTables?

Are there any tools or scripts that can automatically take IP addresses from STIX, TAXII, CybOX, MAEC, or other threat feeds and automatically reconfigure IPTables to block addresses found in those ...
3
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1answer
32 views

Airodump-ng -1 DB networks

I'm using airodump-ng to test my network's integrity and when I put Airodump-ng into monitoring mode, I see some networks with no ESSID and the PWR is -1. What are these networks? Are these hidden ...
3
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1answer
67 views

What's the best way to block all external proxy IP's which could be used for pivot points or as a DDOS Source?

At the simplest form - the question is to block external proxy due to an emergency situation due to which management have forced technical teams to get a solution to block all the external proxy or ...
2
votes
1answer
52 views

What is the benefit of an SSH tunnel vs a Netcat shell for remote communication?

On the (few) penetration tests that I've done so far, I've typically created a reverse shell with Netcat to run commands on the target machine. Now, it looks like a lot of people like to use an SSH ...
4
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4answers
234 views

Can you use two hardware firewalls?

There is a rule that says "don't use/install more than one firewalls on one computer " (software firewalls to be exact) which means if you have a network and it has five computers you can only ...
0
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2answers
66 views

How would one design security in internet/network-facing industrial devices running for decades where malfunction could cost lifes? [closed]

The current trend goes to make every device accessible from the internet for convinience/economic reasons/... (sometimes even including the control station of a power plant). But many industrial ...
1
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4answers
135 views

How to find public IP, if it replaced by NAT IP?

I designed a network architecture in cloud. I placed first IPS and then firewall (with Nat). I want to know if some attacks gone to internal networks which are not blocked by IPS. But I think these ...
0
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1answer
41 views

Decrypting intercepted wpa2 traffic [duplicate]

If you have the wpa2 network key/password how difficult/time-consuming is it to decrypt the trrafic.
1
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0answers
48 views

How to prevent arp spoofing? [duplicate]

I'm not sure I can handle doing it manually so is there a reliable program I can download that will automatically change the settings on my computer for me to prevent ARP spoofing. Will it matter if I ...
1
vote
1answer
90 views

Can network admin detect an MiTM attack?

I am on a WiFi network with a SonicWall router (I'm guessing this comes with an IDS). If someone on my network launches an MiTM attack on me, will the network admin be able to detect this? Does an ...
0
votes
1answer
35 views

Network traffic analyzer for Video [closed]

I am going to be streaming video on an open network. I need the simplest network traffic analyzer that would enable me to know when the video is stopped and started from another system on the same ...
10
votes
1answer
293 views

How can I detect real location of the user through their IP address?

There were many ways to detect the user's IP, for instance we could get it through a single click link or through any other medium of communication where we could get the user's IP. But the tedious ...
4
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1answer
50 views

Which protocols employ cover traffic

Do the protocols employed by wpa 2 and vpns use "cover traffic". A constant busy signal that would not allow for meta data analysis. If not is there a service that does this for you.
0
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2answers
119 views

Is hack.chat safe from packet sniffing?

So I recently found this tool called hack.chat. It's a disposable, browser-based IM system. If I were to use this at a friends house, public network, or at work, it is possible for someone on the ...
3
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2answers
126 views

Intercepted encrypted traffic

If your internet connection is encrypted, will snoopers still be able to tell when you are active; for example, clicking a link as opposed to merely reading a webpage. Will a snopper be able to see ...
2
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0answers
85 views

Linux machine continuously transferring data over the network to random servers in china and across the globe [duplicate]

I have been using Linux for about 5 years now but I am not very skilled with the commands to monitor and figure out internal issues. I recently was having trouble with the Internet. My roommates were ...
2
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2answers
92 views

Locate server by latency it has to other servers

I just thought about how one can locate a server he has administrative privileges on. My "best" idea till now is to ping a huge amount of servers and then measure the latency of the host to these ...
3
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3answers
101 views

Detect trojan/keylogger/virus on a businees network

On a business computer network with around 50 computers, there is a computer infected. We need to find that and remove it. I have been running the software below in the suspicious computers, but ...
1
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2answers
200 views

Should i use peer block to better secure my computer?

Should i be using peer block to secure my computer or is there a better way to accomplish the same task? I dont file share, my curiosity of peer block came from my research of security of my ...
1
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0answers
39 views

What kinds of features are useful for network security visualization? [closed]

I just want to know is network security visualization are practical for enterprise network administrators? (Which I am not) And if it is what kind of tools they uses and what kind of features they are ...
6
votes
2answers
351 views

Can network admin detect port scan on a certain host?

Say, my laptop is connected to a large WiFi network with many other users. If a port scan is run on my IP by somebody else on the same WiFi network, is it possible for the network admin (or anybody) ...
5
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0answers
203 views

Ethical Hacking Certification (CEH v9) From A Web Developer's Perspective [closed]

I just finished a week of training for the CEH v9 certification. I have two questions: What are some strategies I can take for studying for the CEH v9 certification coming at the test as a web ...
7
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2answers
314 views

How to secure a modem/ wifi router without login?

A friend of mine has a DSL-modem/wifi-router from his ISP. The configuration page of the modem requires no login and no login can be set. It is said that there also exists a superuser but this is only ...
1
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1answer
95 views

Must an attacker using a Smurf attack be on the same network as the victim?

I'm learning about Smurf Attacks. Since they need to use a broadcast address, doesn't that mean they can't work over the internet? For example if an attacker sends a router the packet with the ...
1
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1answer
28 views

How do these techniques work for protecting against SYN flood?

I'm reading about how SYN flood can be prevented. Wikipedia has Filtering Increasing Backlog Reducing SYN-RECEIVED Timer Recycling the Oldest Half-Open TCP SYN Cache SYN cookies Hybrid Approaches ...
1
vote
1answer
60 views

Shared Global Blacklist Trust Issue

Some vendors like Palo Alto Networks make appliances that will sync blacklists across all of their client base when one of their clients gets attacked. So after the first guy gets attacked, all of the ...
4
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2answers
89 views

Network UTM firewalls, are they really worth it?

I am currently looking at boosting the network security in my organization. (Currently we just use really basic small business network firewalls we primarily bought for IPSec VPNs). However, from ...
3
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3answers
183 views

Can one Bypass a Web Proxy by using the Host File?

a website aaa.com has a Static Public IP address x.x.x.x . Client B resides in a network and it accesses the internet through a web proxy C. How the web requests are routed from B to the proxy is ...
42
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3answers
4k views

Is it common practice for companies to MITM HTTPS traffic?

My company has just introduced a new VPN policy whereby once connected all traffic is routed the company network. This is to allow for improved monitoring of data theft. It would appear that this ...
4
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2answers
116 views

Can single-purpose PCs be useful as a security measure in this situation?

In the context of a small scale operation, we are considering use of single special purpose PCs allocated to single security-sensitive tasks - for example, certain financial operations. The intended ...
3
votes
1answer
54 views

How to make Snort not log sensitive data from the sniffed traffic?

I have Snort in my network which I use for IDS and it is residing on a VM that receives all mirrored traffic from the switch. I am having a web applications that users use and they login, operate on ...
2
votes
2answers
120 views

4 Hackers on my network! [closed]

Called microsoft hotline because my ASUS laptop got an unknown virus. It would not allow me to access network until i call. The agent i talked to assisted me through the phone. He was able to control ...
0
votes
3answers
154 views

What information can my network admin see when I visit a website? [duplicate]

This question is similar to this but for my network admin. For example, when I enter this URL: https://www.google.com/search?q=example or ... I can see the word example that I was searching on ...
1
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2answers
149 views

Can bad guys record phone conversations without the carrier's knowledge?

I know that, in most of the world, phone conversations are transmitted as digital data (whether frames in circuit switched protocols or packets). I know that several companies offer products which ...
0
votes
1answer
42 views

Network security question (NLB and 2-way TLS) [duplicate]

I have a situation that can be better illustrated in the network diagram below. My scenario: Client Web Server (external party) is using TLS 1.2. In my network, My Web Server is fronted by a NLB ...
1
vote
1answer
41 views

Between point to point connectivity and remote network access, which is riskier?

Between point to point connectivity and remote network access, which is riskier? If I have a third party accessing my company's network, which are the different modes through which they can access and ...
2
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0answers
50 views

Determining time it would take to exhaust IVs on 802.11b/g/n

I'm trying to learn about WEP attacks at the moment. I know that attacks against WEP require collisions of the initialization vectors. Is there a way to determine how long it would take for the ...
0
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0answers
368 views

BRCM-LVG in home network

Shortly after the local cable provider upgraded our cable modem an item named BRCM-LVG appeared in the list of devices (two computers) connected to our Windows 7 homegroup. It contains a folder named ...
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2answers
95 views

How to limit source port for accessing blocked website?

My country has a firewall which blocks sites like Facebook, whatsApp etc. However, they use some kind of port blocking, so some important websites for me like Chegg is also getting blocked I think due ...