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Questions tagged [wifi]

Security for 802.11 wireless networks.

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What information can be accessed from my phone after I stupidly joined a specific network set up just for me on a “friends WiFi can they remote access [closed]

So as title says I joined a WiFi network whilst at a supposed friends place. Apparently it was made “just for me”. I have a feeling this was used to access all the information on my phone chat logs, ...
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Is a VPN effective when connected to WiFi network that requires authentication?

I pay monthly for a VPN. However, I browse online while connected to my university WiFi which requires authentication to use. The WiFi is open (no password directly) but when someone connects to it a ...
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Landlord wants to share a single 3Gbps fibre to the property line across 4 flats using a mesh network. Should I be concerned?

fibre to the property is being installed in my road for the first time my landlord doesn't want lots of holes in their building they acknowledges that FttP is probably necessary going forward So ...
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Slow Loris Attack Wi-Fi variant

I watched a Computerphile video. In the end Dr. Bagley talked about the fact that a router can only receive/send a packet at a time, so if one device is slow it will slow every device down, because ...
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What is this unknown 10-digit device address? Found on an iPhone [migrated]

I saw this unknown address under my personal hotspot summary on an iPhone: e:69:a5:97:7:17 Interestingly enough, it only has 10-digits so it cannot be a MAC address. What is it then? Should I be ...
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1 answer
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Trying to decrypt my home network

I've put my wireless card in monitor mode following this tutorial. After that, I started monitor my wifi home and, after a few seconds, I stop it. Every packet was crypted (obviously), so I follow ...
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Hijacking of sessions: public unencrypted network vs public “password” protected network

What, if any, functional security difference exists between having an unsecured “open” public wifi and one that uses a publicly available password? An example of the latter is: a wifi with SSID “...
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1 answer
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Infecting laptop through a nearby Wi-Fi network?

Can a laptop get a virus through a Wi-Fi network with connected infected machines without connecting to the network (just by being withing the reach of the network signal and sensing it)? And vise ...
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1 answer
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How secure is the Wyze Cam? How easily could an attacker gain access to it? [closed]

I recently put up a Wyze Cam, a brand of Wi-Fi security camera, and I am curious as to how (in)secure it is. I heard that the Wyze company servers got breached once before. How easily could an ...
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1 answer
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What are the best ways to block ISP from spying on you

My dad keeps trying to log everything I do with the WiFi, I've gotten a VPN and use HTTPS everywhere, But I'm not completely sure it worked. Is there any other good things to use? Or is this enough, I'...
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Are there some routers that have WPS, but without a fixed Pin?

My router only seems like to support the push button method, but I thought every router with wps has a fixed wps pin, or am I wrong?
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Identification of a laptop using a spoofed WiFi MAC address

I own a small coffee shop in a highly-populated area. We've noticed that several computers are connecting to our WiFi network using spoofed MAC addresses (e.g. 11:22:33:44:55:66). Is there any way of ...
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WPS - How to get all valid pins?

There are 10⁷ elements in WPS pin space, because one of the 8 digits is used as the checksum. But the AP validates each half separately, resulting in 11,000 valid pins. Is it possible to generate all ...
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Malware from Android text?

Lots of questions! I clicked a scam USPS link on my phone while half asleep. The website loaded and a small window popped up immediately and I quickly backed out of my browser but briefly saw the site ...
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If someone knows your wifi password can they hack your router?

What exactly can someone do if they know your Wifi password? Can they only see which sites you visit or can they do more? Are they able to hack(router) and do malicious things with your router just by ...
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Getting WPA handshake instead of PMKID

Similar to PMKID found , but it should be WPA handshake I notice when I run aircrack-ng with the saved .cap file it does not properly test the keys as it normally would with a WPA Handshake found. Any ...
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What can a malicious user do with a shared android tablet on a corporate network via connected to corp WIFI?

We are deploying android tablets with a shared pin for users in an office. If the device was stolen or in the hands of a hacker, what can a hacker do on the network (realistically)? Android does NOT ...
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Overlap between Wired vs WiFi vulnerabilities

This is a fundamental question, but, I'm interested in understanding the "venn diagram" of attack vectors between wired and Wi-Fi connections. What are the attacks that both wired and Wi-Fi ...
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Why does the authenticator send the first message in 4-way handshake?

I was reading a similar question However, my question is that why can't it be the other way around? Why can't the client start the 4-way handshake by sending the first message? Wouldn't it be the same ...
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1 vote
1 answer
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What is the most secure internet access option for Android phones?

My goal is to make one of my android phones as secure as possible, hence the question: What is the most secure way for an Android phone to gain internet access? Options I (think I) have: The phone ...
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Collect traffic from mobile app to IoT device

I have a mobile app that connects to a IoT device over port 8888 to send commands. I'm not sure how to intercept this. MITMproxy was not able to capture the data as the app would not load behind a ...
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What's the security implications of briefly connecting to a public wifi

Case study: Amazon Fire Stick accidently connects to a BT (UK "ISP") Open WiFi with no security. Upon connecting, the login screen of BT portal is presented, however, the user realising ...
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1 vote
3 answers
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If I only connect through encrypted protocols like TLS, is there still a risk over an insecure wifi?

Assuming the attacker can read all the traffic (he cracked my WPA2 for example), is there still something he can do if i'm only connecting through TLS and similar protocols ?
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How is WPA-PSK authentication done?

When I try connecting to wireless networks (with no RADIUS server), I enter the password and it goes through an authentication process. After the station successfully connects to the access point, a 4-...
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Why do we need to connect to a network to be able to read all packets while packet sniffing?

I can't understand much about packet sniffing operation when it's in a network. Well, packets are encrypted with PTK to prevent sniffing from monitor mode but when we are in client mode and we ...
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3 votes
1 answer
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Same network steal data?

Say my home network has a wifi-password and my friends are connected to it (since I gave them my wifi-password). Is it possible for me to read their data transfer? If yes, then it would also be ...
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WiFi MAC spoofing [duplicate]

I've got a question regarding WiFi security and MAC spoofing: let's say Alice has a friend Bob and she gives him access to her WiFi. For this, she tells him the WiFi password and Bob logs into her ...
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Securing home network when not controlling the router

I have just moved to a new place and the router is controlled by the managing company, what can I do to improve my security and my anonymity under this constraint?
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What are possible attacks if am connecting to public WiFi using repeater, through Ethernet or /and if the router's firmware is hacked

What are possible attacks if am connecting to public WiFi using repeater, through Ethernet or /and if the router's firmware is hacked, supposing am running a Debian system ,blocking inbound ...
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Can someone on same wifi access my computer? [duplicate]

I was connected to a hotel wifi and airport wifi last week. Some of the files in my Downloads folder now has been compromised (soft keys stolen). Can someone connected to same wifi gain access to my ...
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Does OpenSSL support EAP-TLS privacy

Does OpenSSL support EAP-TLS privacy? It's an optional feature part of rfc5216, section 2.1.4.
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2 answers
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What are the risks of using an unpatched device connecting to the internet infrequently?

My grandfather is interested in buying a smart tablet. He never had any personal computer or any internet connection. He wants to use his tablet solely to read the newspaper, as they no longer deliver ...
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3 answers
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Are TLS v1.3 connections over open Wi-Fi secure?

If a non-compromised device is connected to the internet via open Wi-Fi, anyone can view the traffic. But if all the connections to the servers use a reasonably secure cryptographic protocol (such as ...
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3 votes
2 answers
157 views

Is it foolish to trust a Wi-Fi network just because it uses a specific recognized SSID?

This article in the Avira (part of NortonLifeLock) security blog discusses (vaguely) security risks of public Wi-Fi. The article states: Man in the middle attacks are also a very prominent threat, ...
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How can WIPS block unauthorized AP with PMF enabled?

To my knowledge, WIPS(wireless intrusion prevention system) prevents wireless devices connecting to unauthorized AP by sending de-authentication frames. If 802.11w Protected Management Frame(PMF) is ...
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How wifi network MITM works?

I have seen a lot of tutorials showing how to MITM a network using various tools. But it usually says that we require a network adapter with monitor mode options. I own my wifi router and can connect ...
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1 answer
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Can a wifi Access Point be reconfigured to receive other radio signals?

Say we have a remote transmitter that is not connected to a wifi router (neither wirelessly nor by cable), but which transmits information using electromagnetic waves. Examples include walkie-talkies, ...
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2 votes
2 answers
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Is using my address for WIFI SSID a bad idea?

I live in a location which is semi-rural. I also share this Internet access with some people nearby. Although bandwidth is a bit limited (VDSL), other then those imposed by the connection speed ...
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Airodump-ng shows AP as OPN and WPA2 at the same time. What does it mean?

The result of airodump-ng lists some AP's as both OPN and WPA2. How does the authentication work in that case? 12:34:56:78:AB:CD, 2011-09-09 15:29:47, 2022-10-21 16:09:05, 1, WPA2 OPN, CCMP, MGT, -75,...
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Are there any further security considerations when joining a public wifi network other than firewall and anti-virus?

If I use my laptop on my company wifi network to use the internet, what access has the company to the laptop hard drive and information on it? The company wifi is there for customers and employees (...
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How can someone using public wifi be deanonymized?

Say someone wants to send a document overseas while living in a hostile country. He uses tor over public wifi. What are some ways he can be tracked if he uses a burner laptop and public wifi? Few ways ...
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Unknown WiFi Network

For background, I am being sued by unethical people who would do anything. I live in a rural area and in the network list on my phone and laptop, no neighboring networks appear. Only our own plus our ...
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1 vote
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How to handle a router from an apparently security-indifferent ISP with no possibility to switch?

My ISP's security strikes me as... somewhat alarming to my admittedly non-expert eyes. They store wifi passwords in plaintext on their website and allow changing it there - this is apparently meant to ...
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Windows / OpenVPN "kill switch" via firewall

First, not sure if this is the appropriate site or if it would be better suited for a different one, but there isn't a networking or Windows one, so this appears to be the best place. And I'm posting ...
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1 vote
2 answers
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Can my employer see what I do on the internet when I use a VPN webbrowser plugin extension?

I have a professional laptop for working at the office and at home. There is a VPN to connect to my work network. I know that my employer can see which URL I visit even in incognito mode because all ...
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Is my Eero wifi router tracking my browsing activity?

I was going to install a Wifi Mesh network by Eero and it wasn’t until I unboxed it that I learned that I needed to download an app and create an account to perform the setup. This account asks for e-...
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Can a device that connected to malicious network once be compromised even after disconnection from malicious WiFi?

I need to take my personal laptop to the workplace so I will be using their internet that only employees usually use. However, if the network I connected to was malicious, is my data only compromised ...
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why public WIFI cannot use encryption? [duplicate]

I want to ask why public WIFI is always open and cannot use encryption? For example, customers in coffee shop can use WIFI without password (i.e. no encryption). Why WIFI router cannot configure with ...
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1 answer
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Could a bad actor get hold of your credential sent via https if you are connect to their fake network?

Imagine this typical Fake WiFi scenario: A bad actor creates a fake coffee shop Wifi and therefore is in full control of the network. An unsuspecting victim would connect to the Wifi and log in to ...
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1 answer
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aircrack-ng on Raspberry pi 3 and WiFi adapter

I am just getting into ethical hacking and cybersecurity and would like some advice regarding USB Wi-Fi adapter. I am hacking on Raspberry PI 3 which is running Kali Linux. Furthermore, I have been ...
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