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217 votes

Is it safe to pay bills over satellite internet?

Satellite is not safe. Neither is cell data, wifi, or cable Internet. None of it is safe at the layer that you are talking. And that's not the layer that needs to be safe. It's the data that goes ...
schroeder's user avatar
  • 130k
141 votes
Accepted

My ISP uses deep packet inspection; what can they observe?

Deep Packet Inspection, also known as complete packet inspection, simply means they are analyzing all of your traffic as opposed to just grabbing connection information such as what IP's you are ...
Trey Blalock's user avatar
  • 14.2k
102 votes
Accepted

Is removing the Ethernet cable from the router (when I'm not using it) a good security measure?

If there is not an internet connection to your device then a hacker is not going to be able to communicate with that device. (Edit: As some have pointed out...this is assuming an attacker is ...
nd510's user avatar
  • 1,748
91 votes

Why is it bad to connect internal systems to the Internet?

First, it might be best to fully understand the client (your boss's) needs. It's possible he or she only needs access to one small subset of the data on this server from anywhere and not necessarily ...
Trey Blalock's user avatar
  • 14.2k
75 votes
Accepted

Was Goggle.com actually crazy malware in 2006?

Let me summarise what you are seeing: someone navigates to a typo-squat site (goggle.com) the browser is then flooded with numerous pop-ups, warning windows, etc. eventually, the anti-virus starts to ...
schroeder's user avatar
  • 130k
66 votes

My ISP uses deep packet inspection; what can they observe?

Trey Blalock's answer describes percisely what deep packet inspection (DPI) is. But I'd like to add three things to hopefully answer your specific questions: There is a technique of DPI that does ...
MiaoHatola's user avatar
  • 2,294
66 votes

Can anti-virus/virus protection be used to spy on you?

Any software you install on your system can compromise the system and thus affect security and privacy. This can be done either willingly or because of bugs in the software. And this is doubly true ...
Steffen Ullrich's user avatar
51 votes

Can my ISP censor my internet?

Generally speaking, your ISP can't censor Tor or VPNs except by blocking them altogether. Since you are also "censored" when using Tor and a VPN, it's more likely that either the search ...
Quitting Due To Antisemitism's user avatar
44 votes

My ISP uses deep packet inspection; what can they observe?

As stated by Trey, DPI can see the entire content of your network traffic. All of it. If it is plain text, then they see everything that you do. To add on to Miao's answer: Things DPI can see, ...
MikeP's user avatar
  • 1,219
39 votes

Is it safe to pay bills over satellite internet?

I would like to specifically address the question on why security of the underlying mode of communication is not as important as the encryption of the message. You are communicating with your bank to ...
crasic's user avatar
  • 541
33 votes

What parties have access to the *full* requested URL of a website accessed via the HTTPS protocol?

Only the TLS endpoints1 can read the the full URL because HTTPS provides end-to-end encryption. HTTPS wraps the full HTTP protocol, including the request line, request/response body and all the ...
Arminius's user avatar
  • 44.8k
32 votes

Is removing the Ethernet cable from the router (when I'm not using it) a good security measure?

This would reduce your risk by minimizing the time the attack surface is vulnerable to attack so yes technically it is a helpful security control. It falls into the category of Layer 1 access control ...
Trey Blalock's user avatar
  • 14.2k
26 votes
Accepted

How do I hide the OS I am using from internet sites?

It is not currently possible to hide the type of OS from a website A solution against general fingerprinting and obtaining more specific information about your system is to use Tor Browser with the ...
user163629's user avatar
26 votes

How can a service like Fastly have such an impact on the Internet?

The internet is not as decentralized as you might think. A small number of companies that provide CDN and WAF services (e.g. Fastly, Amazon AWS, Cloudflare, Akamai) serve a disproportionate amount ...
mti2935's user avatar
  • 23.6k
24 votes

Why is it bad to connect internal systems to the Internet?

Are there some reasons that connecting internal systems directly to the internet is a bad thing? You're unnecessarily increasing the attack surface. Here are problems to consider: An attacker who ...
Arminius's user avatar
  • 44.8k
17 votes

Can my ISP censor my internet?

Yes, an ISP can restrict your access to the internet. And they do it. Here are some examples of how they can do it. I added a quick list at the end of what one can do to prevent their ISP to tamper ...
Yuriko's user avatar
  • 1,518
16 votes

How can a service like Fastly have such an impact on the Internet?

It's all about getting Internet content to the end users (us) as quickly as possible. To make this happen firms like Fastly, Akamai, etc - called Content Delivery Networks (CDNs) - work with content ...
CrunkAlpha's user avatar
15 votes

Is removing the Ethernet cable from the router (when I'm not using it) a good security measure?

Given how many attacks are aimed at routers, the number of security flaws / backdoors in consumer grade routers, and the fact your router is an always-on gateway to the big bad internet, I'd say ...
John U's user avatar
  • 367
13 votes
Accepted

Does HTTPS provide availability?

The paper On the Security of the TLS Protocol suggests HTTPS provides availability No, it doesn't. Quote of the relevant section of the paper: II. Security Goals ... The primary goal of TLS, defined ...
Lie Ryan's user avatar
  • 31.4k
13 votes

Can my ISP censor my internet?

Your ISP cannot censor the internet with anything finer than entire DNS hostname or IP address granularity. They cannot modify Google search results or interfere with your ability to use Google short ...
R.. GitHub STOP HELPING ICE's user avatar
12 votes
Accepted

Is it possible to detect VPN in the network?

The OpenVPN protocol makes no attempt to hide its presence. The protocol itself is briefly described at the end of the documentation. Note that, even if you manage to obfuscate the protocol itself, it ...
forest's user avatar
  • 66.8k
11 votes
Accepted

PayPal is asking for my Bank Details. How secure is this?

PayPal is NOT asking for your bank details. It is Trustly that is asking for your bank details. Trustly is a Swedish company. It operates in Sweden, Finland, Poland, and a few other companies. They ...
Adi's user avatar
  • 44.1k
11 votes
Accepted

Google DNS query pointing at ISP instead of Google

Google has some servers (Edge Nodes) located into ISPs for quicker response, this is what they call the Google Global Cache. They are basically big proxy caches for serving static content (such as ...
Ángel's user avatar
  • 18.9k
11 votes

How do I hide the OS I am using from internet sites?

So, there is different information leaking when requesting a website (from the user agent, the source port of your TCP connection to the TTL on your TCP packets. A few good steps in the right ...
Tobi Nary's user avatar
  • 14.4k
10 votes

Is it safe to pay bills over satellite internet?

The physical support you use to transport the information doesn't make it more or less secure. Communications nowadays are all encrypted using protocols such as TLS. This means that the information ...
Simon's user avatar
  • 541
9 votes

How likely is it that I was hacked by running a local server for development?

have always thought that when you run something as localhost, nothing ever leaves your computer and your server can't be accessed by computers in your WiFi network You accessing your services ...
ndrix's user avatar
  • 3,306
8 votes

Is there any reason to log out of websites?

HTTP is a stateless protocol. Being logged into a website means that a shared state need to be kept between client and server. This is usually accomplished using a shared session ID which is commonly ...
Steffen Ullrich's user avatar
8 votes

Is removing the Ethernet cable from the router (when I'm not using it) a good security measure?

From a security point of view it is not really a good measure. Security is the triad Confidentiality, Integrity, Availability. If you only consider Confidentiality, everything that could add isolation ...
Serge Ballesta's user avatar
8 votes
Accepted

What information is still exposed when visiting an HTTPS website using DNS over TLS?

What information about the user's browsing is in principle available to each of the following, if they cared to access it? Since your question is asking about DNS over TLS, I'm not going to get into ...
Damian T.'s user avatar
  • 364

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