What is he talking about, public WiFi can easily poison and monitor your DNS requests (most people don’t know or use encrypted DNS), and there’s still tons of non-https traffic leaks all over the place that are plain text. Even if encrypted, there’s still deep packet inspection. VPNs can mitigate DPI techniques and shift the trust from an easily snoopable public WiFi to the VPN’s more trustworthy exit servers.
This guy really needs to elaborate on what he’s trying to say when the cyber security field very much disagrees with this stance. I’m not a huge fan of Proton, but they aren’t doing anything wrong here. You should use it for public Wi-Fi.
Yeah, while it is true, lots of VPN companies are grifts just buying VPS’s and installing OpenVPN, this “Cyber security expert” puts far too much faith in HTTPS and probably never seen a lecture from the Black Hat conference
Yup. You can grab any unencrypted data passed between the user’s browser and a server literally out of thin air when they’re connected to an open access point. You sit happily at the Starbucks with your laptop, sniffing them WiFi packets and grabbing things off of them.
Oh and you have no idea what the myriad of apps you’re using are connecting to and whether that endpoint is encrypted. Do not underestimate the ability of firms to produce software at the absolute lowest cost with corners and walls missing.
If I was someone who was to make money off of scamming people, one thing I’d have tried to do is to rig portable sniffers at public locations with large foot traffic and open WiFi like train stations, airports, etc. Throw em around then filter for interesting stuff. Oh here’s some personal info. Oh there’s a session token for some app. Let me see what else I can get from that app for that person.
But a cybersecurity expert does. That’s the point. If you know those things, VPNs become obsolete, for most people. So why not teach people about it, instead of promoting VPNs?
And can you really trust an extremely profit focused company, that is built on user data, more than your local Café? If you’re in China, sure, use a VPN, they’re the lesser evil. But most spots don’t have the resources or expertise to analyze and sell or otherwise misuse your logs. VPN companies not only do, most rely on it.
If you’re a highly targeted person, it’s another story, but in that case your only hope is Tor or a new identity.
So why not teach people about it, instead of promoting VPNs?
Ok then, in the meantime the rest of us will use a fucking VPN? I don’t know what “encrypted DNS” means, and I’m 99% you’re going to respond with either “whaaaaat you don’t know something that 99.999% of other people also don’t know? Clearly you are too dumb for the internet” or else “oh sure I’d be glad to explain that! It’s real simple, see when you have a Rosendin gembal, it befrazzles the gesticulators of your brangles (link to a Wikipedia article on brangles). So you just have to re-delineate the scanditrons to break the tensor lines in your scintrins! You can code a fairly simple app from scratch to do it, and there’s a FOSS program someone made to help you identify the cabangs in your computer’s lenticles: (link to a github page that is literally just a transcription of an eldritch god screaming in binary)”
VPNs are extremely user friendly and they are happy to explain in layman’s terms exactly what they do and how they work. If there’s a better way, it’s locked behind years of techie knowledge.
And most users don’t know what a VPN is. In both cases, they’re not gonna learn anything about it. Except you need to pay for a VPN, after figuring out which one is kinda trustworthy instead of snakeoil, while encrypted DNS is a simple setting on any OS. Nothing more. You don’t need whole articles to explain what your product does and why you respect privacy and blah, while not saying a single word that’s true. It’s a simple setting. VPNs are not only user friendly, they’re a full ripoff for most people and snakeoil. They don’t explain what they do in “laymans terms”, most of them just blatantly lie. Anything for the cash. If you want an explanation of encrypted DNS:
A DNS is kind of like your GPS. It translates an address into something more usable, e.g… like your GPS translates ‘123 Baker Street, Washington’ into coordinates, so you can use it on a map, for example. A DNS does the same, but for the internet: It translates “google.de” into a format that is actually readable and usable to the computer. However, to translate “google.de” you need to reach out to someone else, that knows the address. The thing is, if someone just pretends to give the right answer, but in fact gives you their own address, you may end up at the wrong website, or in the GPS example, at the wrong house. So instead of visiting your actual bank’s website, you’re going to visit someone else’s website, which looks basically the same, except once you log into your bank account the attacker can read that and steal all your money. In the GPS example, you would now be at the slaughterhouse instead of Disneyland. An encrypted DNS just means that you specify exactly whom you will trust, for example google, and that you want your communication with google to be encrypted, so no one can even read which website you want to visit.
If someone doesn’t understand this, they wouldn’t understand what a VPN is, even broken down to bare concepts. So for those people: It makes you safe just trust me just set this setting, no app, no account, no money required. Because that’s the level a typical VPN company argues on.
Lmao, we’re not worried about the cafe. We’re worried about the man in the middle. And yeah with enough tech knowledge you can set up an encrypted tunnel home and use your normal connection from there. But most people aren’t that tech savvy
People can’t learn not to throw trash in the street, climate change that is backed by decades of science is a problem, or hell, they can’t even learn to effectively not click on super suspicious phishing links.
How on earth are they going to learn about implementing encrypted DNS when most barely know the difference between a browser and a computer.
But most spots don’t have the resources or expertise to analyze and sell or otherwise misuse your logs.
Most spots don’t have also the resources or expertise to secure their own spot. As I remember, cheap routers used in public places may contain a lot of vulnerabilities.
encrypted DNS
Will it help me if I’m using LbreTorrent do download piracy content on my phone? Or how it would help me to hide my location from mobile apps that extract location from IP?
No. That’s a whole different use case. We’re discussing what most people in a public network should do. Some people, such as whistleblowers, journalists etc. maybe should use a VPN. For you grandparents, it would be pure snake oil. And even as such an endangered person, choosing the wrong, so almost all, VPNs would be even more dangerous.
For your problems, a VPN could be useful, even though for the former I would use the usenet or soap2day-like sites, which do not have you seed that content. If you still want to share it, then use a VPN. ONLY for the torrent process, not for anything else, as that would still be bad for privacy and security, as the VPN company could, and most WILL, surveil and log you. And for the latter problem, don’t use such apps except in closed environments or without internet access.
I’m not even an expert in this stuff, but with a tool I found online I demonstrated that it was easy to snoop people’s passwords on my school’s wifi networks back in the day. It took minutes.
There exist plenty of services on school campuses that send passwords in plaintext. There are services outside of school campuses that do, too. Hell, I’ve been able to bypass 2FA checks by just navigating around them, I don’t know what else to tell you, not everything out there uses the best security practices, so don’t assume that they do.
I’m doing DPI on my own network and I can still view TLS certificate fingerprints and some metadata that provides a good educated guess as to what a traffic flow contains. It certainly better that it’s encrypted, but there is a little information that leaks in metadata. I think that’s what was meant.
Client isolation doesn’t help. That is just the access point not routing traffic between connected devices. The problem with WiFi is it is a radio signal. Everybody in range can receive 100% of all communication on that network. Just by being in range the attacker can do passive sniffing. No wiretap needed like with cabled networks.
WiFi is encryoed if it uses a password. So any public WiFi without a password can be sniffed by literally every device in range (no need to connect to the WiFi for sniffing). On public WiFi with a password, the radio signal is encrypted but everybody knows the encryption key. So everybody connected to the WiFi can still sniff the traffic of everybody else.
That encryption is only on the WiFi level, so encrypted radio signals, not on the actually traffic level (like TLS/HTTPS etc).
I think it might be confusion between inspecting plaintext metadata like SNI vs actually inspecting encrypted contents (e.g. HTTPS content, headers, etc.).
What is he talking about, public WiFi can easily poison and monitor your DNS requests (most people don’t know or use encrypted DNS), and there’s still tons of non-https traffic leaks all over the place that are plain text. Even if encrypted, there’s still deep packet inspection. VPNs can mitigate DPI techniques and shift the trust from an easily snoopable public WiFi to the VPN’s more trustworthy exit servers.
This guy really needs to elaborate on what he’s trying to say when the cyber security field very much disagrees with this stance. I’m not a huge fan of Proton, but they aren’t doing anything wrong here. You should use it for public Wi-Fi.
Dpi only works if they install a cert on your phone. Else they can’t crack it (in real time) or you would receive HTTPS errors
Yeah, while it is true, lots of VPN companies are grifts just buying VPS’s and installing OpenVPN, this “Cyber security expert” puts far too much faith in HTTPS and probably never seen a lecture from the Black Hat conference
Yup. You can grab any unencrypted data passed between the user’s browser and a server literally out of thin air when they’re connected to an open access point. You sit happily at the Starbucks with your laptop, sniffing them WiFi packets and grabbing things off of them.
Oh and you have no idea what the myriad of apps you’re using are connecting to and whether that endpoint is encrypted. Do not underestimate the ability of firms to produce software at the absolute lowest cost with corners and walls missing.
If I was someone who was to make money off of scamming people, one thing I’d have tried to do is to rig portable sniffers at public locations with large foot traffic and open WiFi like train stations, airports, etc. Throw em around then filter for interesting stuff. Oh here’s some personal info. Oh there’s a session token for some app. Let me see what else I can get from that app for that person.
But a cybersecurity expert does. That’s the point. If you know those things, VPNs become obsolete, for most people. So why not teach people about it, instead of promoting VPNs?
And can you really trust an extremely profit focused company, that is built on user data, more than your local Café? If you’re in China, sure, use a VPN, they’re the lesser evil. But most spots don’t have the resources or expertise to analyze and sell or otherwise misuse your logs. VPN companies not only do, most rely on it.
If you’re a highly targeted person, it’s another story, but in that case your only hope is Tor or a new identity.
Proton is a non profit.
Ok then, in the meantime the rest of us will use a fucking VPN? I don’t know what “encrypted DNS” means, and I’m 99% you’re going to respond with either “whaaaaat you don’t know something that 99.999% of other people also don’t know? Clearly you are too dumb for the internet” or else “oh sure I’d be glad to explain that! It’s real simple, see when you have a Rosendin gembal, it befrazzles the gesticulators of your brangles (link to a Wikipedia article on brangles). So you just have to re-delineate the scanditrons to break the tensor lines in your scintrins! You can code a fairly simple app from scratch to do it, and there’s a FOSS program someone made to help you identify the cabangs in your computer’s lenticles: (link to a github page that is literally just a transcription of an eldritch god screaming in binary)”
VPNs are extremely user friendly and they are happy to explain in layman’s terms exactly what they do and how they work. If there’s a better way, it’s locked behind years of techie knowledge.
And most users don’t know what a VPN is. In both cases, they’re not gonna learn anything about it. Except you need to pay for a VPN, after figuring out which one is kinda trustworthy instead of snakeoil, while encrypted DNS is a simple setting on any OS. Nothing more. You don’t need whole articles to explain what your product does and why you respect privacy and blah, while not saying a single word that’s true. It’s a simple setting. VPNs are not only user friendly, they’re a full ripoff for most people and snakeoil. They don’t explain what they do in “laymans terms”, most of them just blatantly lie. Anything for the cash. If you want an explanation of encrypted DNS:
A DNS is kind of like your GPS. It translates an address into something more usable, e.g… like your GPS translates ‘123 Baker Street, Washington’ into coordinates, so you can use it on a map, for example. A DNS does the same, but for the internet: It translates “google.de” into a format that is actually readable and usable to the computer. However, to translate “google.de” you need to reach out to someone else, that knows the address. The thing is, if someone just pretends to give the right answer, but in fact gives you their own address, you may end up at the wrong website, or in the GPS example, at the wrong house. So instead of visiting your actual bank’s website, you’re going to visit someone else’s website, which looks basically the same, except once you log into your bank account the attacker can read that and steal all your money. In the GPS example, you would now be at the slaughterhouse instead of Disneyland. An encrypted DNS just means that you specify exactly whom you will trust, for example google, and that you want your communication with google to be encrypted, so no one can even read which website you want to visit.
If someone doesn’t understand this, they wouldn’t understand what a VPN is, even broken down to bare concepts. So for those people: It makes you safe just trust me just set this setting, no app, no account, no money required. Because that’s the level a typical VPN company argues on.
Lmao, we’re not worried about the cafe. We’re worried about the man in the middle. And yeah with enough tech knowledge you can set up an encrypted tunnel home and use your normal connection from there. But most people aren’t that tech savvy
People can’t learn not to throw trash in the street, climate change that is backed by decades of science is a problem, or hell, they can’t even learn to effectively not click on super suspicious phishing links.
How on earth are they going to learn about implementing encrypted DNS when most barely know the difference between a browser and a computer.
Then they won’t know what a VPN is either.
Most spots don’t have also the resources or expertise to secure their own spot. As I remember, cheap routers used in public places may contain a lot of vulnerabilities.
Will it help me if I’m using LbreTorrent do download piracy content on my phone? Or how it would help me to hide my location from mobile apps that extract location from IP?
No. That’s a whole different use case. We’re discussing what most people in a public network should do. Some people, such as whistleblowers, journalists etc. maybe should use a VPN. For you grandparents, it would be pure snake oil. And even as such an endangered person, choosing the wrong, so almost all, VPNs would be even more dangerous.
For your problems, a VPN could be useful, even though for the former I would use the usenet or soap2day-like sites, which do not have you seed that content. If you still want to share it, then use a VPN. ONLY for the torrent process, not for anything else, as that would still be bad for privacy and security, as the VPN company could, and most WILL, surveil and log you. And for the latter problem, don’t use such apps except in closed environments or without internet access.
I’m not even an expert in this stuff, but with a tool I found online I demonstrated that it was easy to snoop people’s passwords on my school’s wifi networks back in the day. It took minutes.
That must’ve been quite a while ago
I mean, yes, I’m in my 40s, but it’s just as effective today.
I’m sorry, but I don’t believe it is. Nearly all traffic is TLS. When this is attacked, you’d get TLS error. Am I missing something?
There exist plenty of services on school campuses that send passwords in plaintext. There are services outside of school campuses that do, too. Hell, I’ve been able to bypass 2FA checks by just navigating around them, I don’t know what else to tell you, not everything out there uses the best security practices, so don’t assume that they do.
How is DPI a problem if it’s encrypted? That would only work if the attacker had installed their CA cert on your client machine, right?
I’m doing DPI on my own network and I can still view TLS certificate fingerprints and some metadata that provides a good educated guess as to what a traffic flow contains. It certainly better that it’s encrypted, but there is a little information that leaks in metadata. I think that’s what was meant.
True, but this is generally not useful information to anyone. They can see you’re visiting bank.com, but they still can’t see your bank details.
It might be useful if they’re trying to target you for phishing, but a targeted attack is extremely unlikely.
Also, any wireless equipment from the past 15 years or so supports client isolation.
Client isolation doesn’t help. That is just the access point not routing traffic between connected devices. The problem with WiFi is it is a radio signal. Everybody in range can receive 100% of all communication on that network. Just by being in range the attacker can do passive sniffing. No wiretap needed like with cabled networks.
WiFi is encryoed if it uses a password. So any public WiFi without a password can be sniffed by literally every device in range (no need to connect to the WiFi for sniffing). On public WiFi with a password, the radio signal is encrypted but everybody knows the encryption key. So everybody connected to the WiFi can still sniff the traffic of everybody else.
That encryption is only on the WiFi level, so encrypted radio signals, not on the actually traffic level (like TLS/HTTPS etc).
I think it might be confusion between inspecting plaintext metadata like SNI vs actually inspecting encrypted contents (e.g. HTTPS content, headers, etc.).
Yeah, deep packet inspection really doesn’t work without breaking https security via man in the middling everything.