Questions tagged [ethernet]

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33 votes
3 answers

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 ...
Stone True's user avatar
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26 votes
3 answers

How to check if a Wi-Fi network is safe to connect to?

I always feel scared to connect to hotel, airport Wi-Fi etc. I feel that if the Wi-Fi router is hacked, my personal information can be collected by a hacker. How can I determine if a Wi-Fi network is ...
black panther's user avatar
8 votes
2 answers

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 ...
kinunt's user avatar
  • 2,779
3 votes
4 answers

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 ...
柯鴻儀's user avatar
  • 137
4 votes
5 answers

Encryption for home ethernet?

I recently had my home wired for gigabit ethernet, which is awesome, but left me with a short ethernet run that is actually outside the walls of my house. How can I secure this link against someone ...
Drew Shafer's user avatar
73 votes
7 answers

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 ...
phil's user avatar
  • 631
2 votes
4 answers

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 ...
Celeritas's user avatar
  • 10.1k