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66
votes
7answers
7k views

Preventing Ethernet over power

I'm an electrician doing a job at a secure site. The client is concerned that someone could plug an Ethernet over power (EOP) connection into the switch and then connect elsewhere in the building. Is ...
29
votes
3answers
2k views

Can malware be transmitted via a USB charger plugged into a wall socket?

I have a smart phone that I often plug into a wall socket for charging via a small adapter that rectifies the AC to DC power and transforms the voltage from line (120V or 240V) to 5 V DC, probably ...
8
votes
2answers
612 views

How to track down a rogue laptop connected to an un protected ethernet socket in a big organization?

I would like to know ways of detecting rogue laptops connected to Ethernet sockets not properly secured in a big organization that has a plain network segment. I know that this can be prevented using ...
4
votes
2answers
267 views

Ethernet security

I have a simple question that many people probably have and yet there does not seem to be a topic on this. I am visiting a company for a meeting and I have my laptop with me. This company is our ...
4
votes
3answers
758 views

Ethernet over power: security aspects

Our company is moving to another facility which has no LAN cabling, therefore we are considering using ethernet over power. We would like to avoid our data being transmitted out of this facility and ...
3
votes
1answer
391 views

Security criteria for selecting a network switch?

I am looking to purchase a switch with 24+ ports. The set of security criteria that I should bear in mind when selecting a switch is not clear to me. I have tried to take other networking security ...
2
votes
4answers
3k views

Can anyone tell if a wireless router is plugged into an Ethernet port (without actually seeing it)

In a large network if there is an Ethernet port in the wall, is it possible to tell if a switch or wireless adapter is plugged into it? (I'm talking about the cheap home routers - with the built in ...
2
votes
2answers
194 views

Spoof another IP address in the same network,will the spoofing source get the response?

I have read some articles about IP spoofing. Briefly speaking, IP-spoofing means the attacker uses a fake IP address in the IP header, to pretend this IP packet is sent by another machine. The ...
2
votes
2answers
673 views

How can I tell if my ethernet connection is being sniffed? [duplicate]

I read in another post that wired traffic is not protected: The only real additional threat that a malicious network administrator would pose, is that they have access to the wired side of the ...
2
votes
2answers
162 views

Is bugged CPU mean “gameover” for whole Computer? [closed]

I'm looking for answer on such question. Imagine that CPU bugged on the factory simply like Blue Pill, but for the network's interconnections. How exactly firewall of OS could protect station ...
2
votes
3answers
3k views

Can an attacker sniff physical network traffic through WiFi?

So, I am wondering - is it possible for an attacker to sniff traffic on an Ethernet connection if they are not physically plugged into the modem/router hardware but they are connected through wifi? In ...
1
vote
2answers
2k views

How do I find a target on the wired network, from an attack system on Wi-Fi?

I'm trying to practice penetration testing on my home network. The target system is my desktop computer, which is connected to the network via ethernet cable. The attack system is my laptop, which is ...
0
votes
1answer
40 views

How to ensure security between devices from different manufacturers over multicast

I'm involved in the design of a protocol that allows different manufacturers to share data amongst their products. The protocol uses multicast over Ethernet so any device can join. Note that it's very ...
0
votes
1answer
316 views

MACSEC nonce/key uniqueness

802.1ae requires a nonce to be sent with each Ethernet frame in the MACSEC tag. The 96 bit nonce is formed by concatenating a 64 bit fixed field (based on MAC source address and port number) with a ...
-2
votes
1answer
34 views

Router connected to my ethernet [duplicate]

I'm guessing that someone is bringing his router to provide wifi to his coworkers, by connecting it to a certain point on one of the 8 floors of my building, how can I know where is connected?
-2
votes
1answer
401 views

How to Transfer packets from one ethernet card to another [closed]

I have a desktop with two ethernet(etho,eth1) cards and OSSIM installed in it. I have a laptop with webmin installed, where i want to write rules for transferring packets from eth1 to eth0. Both the ...