Questions tagged [internet]

The Internet is a global network consisting of many networks connecting billions of devices together via a variety of network technologies.

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If my home router password was reset, is that a sign of a security breach?

Recently I started having issues with my home Wi-fi connection. My devices showed as connected to the router, but no Internet was coming through. While trying to log into the router through my browser ...
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Isolating devices within private home network [migrated]

I currently have this network setup: As you can see, I have three devices with static ip addresses. (192.168.1.100, 192.168.1.123, 192.168.1.121) and some devices with dynamic IPs (game console etc.)....
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Why does Firefox claim a site has a “Potential Security Risk”? [duplicate]

When trying to go to https://www.pfizerpapconnect.com, the Firefox web browser claims there is a "Potential Security Risk" and pops up a page recommending to not proceed. Is there a real ...
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Is it possible to sniff packets from a remote IP? [duplicate]

For a while I have been playing around with packet sniffing on my local network (using an ARP poisoning attack to redirect packets to me, then relaying them and viewing them in wireshark). However, I ...
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75 views

How easily can ISP/mobile network operator employees read or decode traffic data?

When I sign up for a mobile subscription or internet connection with my ISP (also a mobile network operator), the company's privacy policy says that certain information is processed such as personal ...
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How can a service like Fastly have such an impact on the Internet? [closed]

Fastly WAF service was down a while ago, and it has affected a lot of major internet platforms and sites such as Amazon, PayPal, eBay, Spotify, HBO Max, the UK's main government website - Gov.uk, and ...
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166 views

Can a domain be taken by someone else if custom nameservers are misconfigured?

Example: I own the domain example.com. Instead of using the nameservers set up by default by the registrar, I set up my own nameservers on my own machines with bind9. Let's say that at the beginning, ...
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4answers
204 views

How can I safeguard myself if share the same router with the people living in my apartment

I share the same wireless router with some other people living in the same apartment. I want to safeguard my privacy and also not be held liable for their internet activity. The modem from the ISP ...
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ARP Spoof dropping ALL connections involved

Please note I have clicked nearly every possible link describing this issue online, and none of them have explained nor assisted in fixing the phenomena. I have a three-computer system, in which one ...
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2answers
100 views

Is every packet in a home Wi-Fi which has say, AES password for connection, encrypted using the same password?

If there is an intruder in a LAN who knows the encryption type and password, will he be able to monitor all the packets which are in the LAN? Suppose someone on the LAN is visiting HTTP sites, which ...
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installed windows 2003 in VMware cant get internet to work [closed]

I have installed Windows 2003 server in VMWare and cannot seem to get the internet to work. It says it is connected to the internet in the box in the icon bar and when I run ipconfig it returns with ...
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How safe is it to use SMB file share on a machine running up-to-date Windows 10 LTSC through the Internet?

Running Windows 10 LTSC. Forwarded 445 port on the router to Windows SMB. Assuming that: My machine has no viruses in it (fresh Windows installation) It has been updated to the latest OS release I am ...
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Will Internet provider know what sub-page I visited on a site? [duplicate]

Let's say in my address bar I see such link: Privatebin URL/key interception? Can somebody besides server and me know that I'm visiting not just security.stackexchangec.com but excactly ../questions/...
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50 views

My friends are disrupting my internet connection [duplicate]

My friends have my ip address and they're all programmers/hackers. They've been interfering with my wifi connection several times today. Asking them to stop or saying "they won't do anything"...
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What kinds of security risks do wifi enabled laundry machines and other internet of things appliances pose?

I am an old fashioned person and have never heard of wifi enabled laundry machines until recently, I don't care for it and have trouble seeing the benefits outweigh unknown risks. I don't know if ...
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Is an ordinary country able to block its nationals from having transactions with a certain website?

My question is aroused from this news today AU vs Google. I started to wonder how will the enforcement be done if the company ignore the order as well as the fine. Google has wide local business ...
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Would putting important information on a flash drive that never touches the internet be secure?

First off, I'm not even sure if this question belongs on this site, but I am a programmer and I usually just ask stack overflow questions like this, and I know for a fact this one doesn't belong there....
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I have a college laptop. Can they see my search history? [duplicate]

I have a school laptop bag which has an admission lock in it. I can use it for my school work but when I’m logged into my personal browser I’m worried they can still see my activity. That could get me ...
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Zero-Trust alternative to google sign-in, is this a feasable design?

I was thinking about zero-trust systems over the last few weeks and it seems like there are many things that could be implemented that way. With password managers being one of those things, I was ...
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Can my internet administrator see what I'm uploading?

Can the internet administrator on my school where I teach see what I'm uploading to my students on Blackboard. I.e. if I upload a file: "exercises_class1A.pdf", would they be able to see and ...
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How is my school blocking new Internet traffic after midnight?

My school supposedly cuts everyone's connection at exactly 12:00am. Although the network is still there, Windows shows the "no internet" sign when connecting to the network. However, the ...
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In what cases people know that I see their stories on instagram or mystalk? [closed]

I don't have an instagram account, but I always look to my friends' profiles on instagram or mystalk and see their stories. BTW my google account is always signed in when I check their stories on ...
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How to prevent my ISP from seeing what sites I visit without a VPN

I use opera browser, and while the built-in VPN has been working relatively well it's been preventing me from joining discord voice calls and using omegle. Is there a way to hide my activity from my ...
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1answer
76 views

Does a secured guest network on my router create significant vulnerability?

Guests need to use Wi-Fi when they come by, so to minimize risk, I've simply kept a secondary secured router running for guests since it's not possible to understand anybody's computer & security ...
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129 views

Securing internet connection with hostile ISP

Please excuse the lack of details, you can understand why. I have a friend in a foreign country who is certain that he is a surveillance target of his local government. Other people he knows in his ...
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Do ISPs like Xfinity gather geographical information about their users?

Do ISPs like Xfinity gather geographical information about the users of their public hotspots? If so how is it done and how accurate is it?
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How to create a “purpose-built attribute/secret” to recognize people over the phone?

Imagine you're talking to someone over the phone who needs to check something before he can call you back. In order to ensure that you will be talking to this very person later, you have to create ...
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1answer
47 views

How to connect to a wifi network that shuts down connections [closed]

Our school's wifi shuts down after 12 am, and although we are still connected to the network, our connections are closed, and the computer says "no internet". However, we can somehow manage to stay ...
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109 views

How can I double check security against a TLS on a public IP?

Dilemma We are setting up a docker registry server for our company as per these official indications: https://docs.docker.com/registry/deploying/#run-an-externally-accessible-registry. We are ...
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How do I restrict network access to websites using a monitoring system?

I am making a Java Project a LAB MONITORING SYSTEM for my University practical exams. Where a teacher or admin can monitor some selected computers and can give permissions to what the user at that ...
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4answers
133 views

Does routing internet traffic via VPN through a company proxy gain any more security?

There is currently an ongoing discussion in our company about what security measures to put in place regarding workstation access to the company network and the internet. Situation: Employees have ...
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Is it a Bad Idea™ to open all IPv6 ports for devices in an isolated guest network?

At home I have a dual-stack IPv4/IPv6 broadband connection, and I also have a wireless access point. The access point currently bridges all traffic into my LAN, which is not segmented in any way, so ...
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1answer
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Can an indie apps developer get fined if they unintentionally didn't protect users' data from hackers? [closed]

I'm currently developing an app, which the users will store sensitive data in, and this data will be stored in the internet (I'll use Firebase or a similar service). I'll try to secure the data as ...
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2answers
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Is there any way to hide my using the internet (or maximize privacy) when connected via router to other computers?

I shall begin my question with the remark that I am not tech savvy at all! The problem is the following: A cluster of computers (laptops, desktops, etc.) A, B, C, D... are all connected to the same ...
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245 views

TLD Re-direct precedence in law

I hope to soon resurrect an old web-site of many years standing: it has the URL xxxx-xxxx.com, and I still rent the domain name. Now I am not anxious to continue hosting it in the USA --- though ...
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1answer
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How can any intelligent person believe that PGP, HTTPS or anything else we have today is secure, given history and logic? [closed]

It truly feels like we are living in an "afterworld", long past the era when smart, intelligent, real men and women worked on things that really did matter. I'm talking about Enigma, Lorenz, Collossus,...
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191 views

How does neighbor know when WiFi/Internet is used?

A neighbor, somehow, knows, when I connect to the Internet - and begins shooting something at my home (ice pellets). Is there a way to prevent people from seeing my SSID/internet connection? We are ...
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2answers
142 views

How does RusNet block websites with so many separate ISPs?

How does the Russian Federation enforce the blocking of websites for end users? I know that ISPs have a database of DNS records that will redirect the user to a corresponding IP address for a given ...
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1answer
90 views

What attacks can be done from a “sketchy” internet site

I've heard that tabs in modern web browsers are fairly well sandboxed, so what kind of attacks could a malicious site do to your computer and/or web browser assuming you don't do anything obviously ...
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1answer
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How did a website make an accurate assumption of my identity in incognito mode? [duplicate]

What piece of information can websites retrieve that would allow for later identification without cookies? Intro Out of interest I jumped into the rabbit hole of online marketing scams. The site I ...
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1answer
75 views

Is each office having their own router coming off the main router as secure as each office having their own internet line

Company A owns a building and leases out 2 offices to other companies. Telecom 1 provides internet to Router 1 with ip address x.x.x.121 Company A connects their router, Router A, to it and gives it ...
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141 views

Attack that stops internet access for several minutes

I have a question that might sound a bit weird: A friend of mine (Person A) is being attacked by a former friend (Person B) and now person A asked me for help. Person A and Person B know each other ...
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1answer
67 views

How to circumvent an isolated domestic internet connection?

Perhaps this is off-topic or too broad to answer but I'm thinking that there must be solutions. Some countries are talking about unplugging from the internet and creating their own isolated domestic ...
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3answers
141 views

Does HSTS provide security advantages on private networks?

For systems that only connect to the internet via a single dedicated private network (no WiFi hotspots), and assuming no systems or components on that network are compromised, does HSTS (HTTP Strict ...
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2answers
101 views

Can a bug in an application that has no internet connection be used from outside

I have recently been occupied with a question regarding IT security. Suppose there is an application on a PC that is connected to the Internet, but it does not have access to the Internet or support ...
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155 views

Can a website be used for targeted attacks?

I asked a question before about how you can tell that a website is safe to visit (to prevent yourself from getting hacked) and I was told that it can not be done. A virus scan with virustotal will not ...
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280 views

Is it possible to safely connect to the internet using a malicious router?

If you connect to the internet using a router that's controlled by a hacker, is there some way you can safely surf the internet without getting hacked? By using a vpn and firewall maybe? Does it make ...
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1answer
149 views

Is using a VPN like changing your ISP?

I am asking this question from a security perspective (not privacy) I have read that using a vpn can prevent hackers including your isp (who could be working for the government) from doing mitm ...
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1answer
87 views

How to judge website security?

How can I know if visiting a website is safe? Is a scan with virus total good enough? If it says that the website is clean then can I be sure that I won't get hacked by visiting it? Could a website ...
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1answer
86 views

Why do I see Network Traffic without any User Activity?

Why does my computer send any network data, even if I am not doing anything? Is it possible that this network traffic includes private data (text documents, images,...), to which I did not consent?

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