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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Packet Filter vs Application proxy

http://postimg.org/image/b1w3bujnv/ I don't understand the highlighted part in red. Firstly,Why is a packet filter is enough in a situation where traffic is busy? Secondly,Isn't application proxy ...
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2answers
95 views

What are the best practices for trusting connection sources in open source software?

Quite concise, but I'll elaborate with an example: Lets say I have a simple app written in C# and i want to know how many people a day open the app. the easiest solution would be to simply have a ...
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1answer
209 views

Protecting myself in Ukraine

I am a United States citizen planning a week-long trip to Ukraine. A friend advised me that Internet security is less-than-great there. What steps should I take to protect myself if I use public or ...
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1answer
45 views

On Mozilla's Add-ons site (AMO) what is happening with external links?

On Mozilla's Add-ons site (known as AMO), all external links are directed through: https://outgoing.mozilla.org/v1/[UUID]/[destination URL] As a random example, see the link in the Description ...
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1answer
62 views

Is possible to build a firewall for all I/O devices and interfaces on a PC?

Lately there is a trend were input/output devices and interfaces are used for either exploits (taking advantage of their vulnerabilities) or to blatantly "copy" near by audio/video information. So, ...
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1answer
5k views

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

I am from the UK but I'm living in Poland. I have two British bank accounts and a Polish account. The two British accounts are linked to a PayPal account registered from the UK and the Polish one is ...
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1answer
822 views

Google DNS query pointing at ISP instead of Google

I am not sure if this is actually an issue or not or if I am just being too paranoid, but I noticed this upon arriving home to Alaska recently (location is important as you'll see shortly). In short, ...
3
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1answer
522 views

Is the VPN provider's ISP able to spy on traffic?

Traffic between a VPN client and a VPN server is encrypted on the client, and decrypted on the server. As the VPN server passes that traffic through the internet, can the VPN server's ISP see that ...
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1answer
294 views

whats with Chinese and Russian proxy servers?

I keep hearing that if you commit some network activity via Chinese or Russian proxy servers you are very difficult to be tracked down. What is the reason for this other than lack of international ...
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1answer
432 views

How to obfuscate outgoing traffic if we don't want to use VPN? [duplicate]

If we say that I cannot trust my internet-service-provider regarding privacy, how can I obfuscate the outgoing traffic on my line? So the ISP will not see that what am I actually doing. Randomly ...
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1answer
83 views

Internet of things is what exactly? [closed]

I have found that the term IOT (internet of things) is pretty vague. I am wondering if a mobile device, a cell phone, is this considered a part of the IOT realm? It is a thing, and its connected to ...
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2answers
907 views

Wipe out or dissapear and start over again in internet for personal security? [duplicate]

The other I was talking with a work mate that is part of finances and He made a question that I couldn't answer at the moment. "I have a lot of accounts and information about me internet. I'm really ...
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1answer
341 views

Internet security. Wifi vs Ethernet

Home office: The security risks of using wifi for an at home business vs using Ethernet connection? Office: Would the security concerns be different or more concerning at an actual office of store? ...
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1answer
99 views

Can an ip be forced to connect? If so, how is it done, and how can I prevent it? [closed]

Can an IP be forced to receive data from another IP (specifically IPv6 for both)? If so how does this work, and how can I prevent this from happening to me? Does that have any way to be broken? If so ...
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1answer
70 views

How do websites track users for flow control

I've written a short program that uses a webbrowser to visit many pages of a website (on which users can sell/buy items - kind of like a specialist ebay). However after 20 or so page views I get ...
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3answers
2k views

Why is it dangerous to let an internal server talk to the internet (to a specific IP)?

Sort of a basic question, but if we have an internal server and want it to talk externally, for example to get new packages. This environment normally does not have access to the internet. I've heard ...
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3answers
1k views

With whom does my PC communicate at startup?

I've been reading about Windows 10 and its incessant desire to call home. I've tried putting some firewall rules in place. I am sure they are working but I got to thinking that many events probably ...
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3answers
350 views

Are we anonymous when not connected to internet on windows?

When we don't use internet on windows, can windows or any Laptop vendor can access our Laptop (similar as connected to internet ). If yes, then How ?
3
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1answer
329 views

Scam caller claimed to have elderly friend's “Windows unique identifier”

An elderly friend received a telephone call similar to this Information Security SE post and this one. The caller claimed that my friend's computer had a problem that needed to be fixed. My friend ...
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1answer
386 views

is it possible to intercept network packets outside lan?

User A is in a different country than user B and they have different IP ranges and ISPs. Is it possible for A to intercept B's communication sent to a third party, without using techniques like ...
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1answer
206 views

There's still remain anyway to surf 100% anonymously on internet using a computer? [duplicate]

There's still a way to be 100% anonymous on internet using a computer? I know that using a prepaid SIM card you can surf 100% anonymously, as far as your phone hasn't been bought with a credit card ...
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4answers
166 views

Do technical advice sites sometimes link to malware, and if so, how should we properly research errors? [closed]

Suppose you get an error on your PC that shows up randomly, then you do a search on the internet for the error to find out how to fix it. Typically, you will get some sites that offer a solution, but ...
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6answers
15k views

Why is leaving a passworded SSH over the internet so bad?

I've heard multiple multiple times to never leave SSH with a password open over the internet. Why is this so bad? I understand the password can be bruteforced, but what if it is a very strong ...
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2answers
185 views

Defense in depth

How is defense in depth strategy different from network security policy? What is the need to name it a "Defense In Depth", although you may simply name it "Network security policy"? Secondly if DID ...
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2answers
43k views

For how long ISPs keep record of Internet usage? [closed]

For how long ISPs keep record of Internet usage? Do they keep record of every page we visit? In what form do they keep such records (remote IP, URL, page title, headers, etc.)? Is it possible for an ...
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1answer
241 views

A seemingly innocent program is attempting to connect online. Should I be worried?

OS: Windows 10 64-bit updated, usually used for development and Steam-CSGO. Straight to the point: Solitaire just tried to connect to the internet. Details: After tightening my firewall rules after ...
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2answers
946 views

Can someone use IP spoofing to access your facebook profile as an administrator?

Do any IP addresses have security so they cannot be used by a hacker to access secure pages? For example, could a hacker spoof a Facebook IP address to enter someones profile page and make changes as ...
2
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2answers
133 views

What prevents criminals from buying a new PC and going on public wifi? [closed]

Imagine this scenario: A criminal wants to commit a crime online. He buys a brand new pc, finds an open WIFI, connects to TOR network, and commits a crime. How would authorities possibly detect/find ...
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2answers
1k views

Should i use peer block to better secure my computer?

Should i be using peer block to secure my computer or is there a better way to accomplish the same task? I dont file share, my curiosity of peer block came from my research of security of my ...
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2answers
701 views

Is VPN the only way to stop my ISP from logging my traffic?

I do know that my ISP is keeping logs permanently, which I'm not comfortable with because I like my privacy. Having said that, is VPN the only option to prevent my ISP from logging my traffic? The ...
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1answer
13k views

How can I detect real location of the user through their IP address?

There were many ways to detect the user's IP, for instance we could get it through a single click link or through any other medium of communication where we could get the user's IP. But the tedious ...
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2answers
664 views

How to find out whether an ISP adds a perma-cookie to my requests?

I am interested in finding out whether my (or any) current ISP (Internet Service Provider) uses a technology known as "perma-cookie" oder "sticky cookie" when I am browsing the internet. This ...
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3answers
1k views

How to explain to a non IT person whether the Internet can be “shut down”? [closed]

When Donald trump first stated he wanted to "shut down the Internet", a few people asked me if he could do that. How can I simply explain that the Internet is a Web and not a two way stream?
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3answers
11k views

Can one Bypass a Web Proxy by using the Host File?

a website aaa.com has a Static Public IP address x.x.x.x . Client B resides in a network and it accesses the internet through a web proxy C. How the web requests are routed from B to the proxy is ...
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4answers
660 views

What are cookies and cache?

While surfing on the Internet, I am often afraid that I may have downloaded some malware program along with some files on my computer. Furthermore, I have been told that the reason for that are ...
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2answers
596 views

Security precautions for beaglebone?

I am currently operating a beaglebone as the control PC of a scientific instrument. In order to increase its potential, it is connected to the internet, currently without password, i.e. everyone who ...
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2answers
212 views

How can an attacker tell when someone in a private network connects to the Internet? [closed]

I heard that your PC can get infected just by connecting to the Internet (even without the web). Assuming I'm connected to a private home network, how can an attacker tell that I just connected to the ...
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2answers
209 views

Is there a formal common Internet threat model?

I'm looking for a common Internet threat model that describes active attacks formally. By active attacks I mean attacks of an attacker with literally unlimited resources and full control over the ...
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2answers
95 views

Is the same browser equally safe on a different OS?

For example: is Chrome installed on Linux more prone to a hack (stealing logins/passwords, installing add-ons, changing something in browser...) than Chrome installed on Windows? (I do realize that ...
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2answers
2k views

Why is it dangerous for a company to allow employees to connect their own devices to the internet?

I've heard complaints about allowing employees, clients, etc. to bring their own device and connect it to the network. What exactly is the complaint and how can it be a threat? If no network resources ...
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2answers
137 views

What is the typical computer setup and hosting arrangement of malicious bots?

It's quite well known that if an attacker wanted to, they could spoof their IP address by using a proxy server or some other means. Whilst that's possible, whenever I perform a geo-location lookup ...
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1answer
1k views

can my internet provider see my communications? [duplicate]

Can my ISP see what i am communicating through Skype, Facebook, Yahoo-Mail and so on? I am not asking this from a legal perspective, but only from a technical one. Also I am not talking about ...
2
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3answers
11k views

Is it possible to look up all internet activity done by a MAC address, IP address, etc.?

It seems like something that an average person can't do, but can some big-name companies or maybe hackers have the technology to look up all Internet activity that has been done by a certain MAC ...
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3answers
6k views

Websites know which other websites I visited?

Google Chrome has a "do not track" option, but with a warning: Many websites will still collect and use your browsing data — for example to improve security, to provide content, services, ads and ...
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3answers
319 views

How dangerous is the remote Jeep Cherokee attack?

Recently two researchers working with a Wired Magazine reporter have demonstrated a serious vulnerability in UConnect, the software that powers the onboard entertainment systems of all Chrysler group ...
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0answers
144 views

Known insecure IoT devices [closed]

I would like to create my own twist on intelligent home using various IoT devices. My goal is to try and pentest said devices in real-life-like scenerios. I'd like to cover various popular protocols ...
2
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1answer
144 views

Types of risks for my router

Recently I've read about viruses and worms that attack routers and do some nasty things, incl. DNS changes etc. In the beginning, I just read that some people have issues that their DNS server address ...
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1answer
528 views

How are man-in-the-middle attacks actually implemented? [closed]

For research purposes. I'm wondering, in a high level way, how MITM attacks are actually done in the real world. So over the internet the client talks to the server, or one person emails the other, ...
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4answers
919 views

How does my ISP track me? [closed]

I have an ADSL connection with a username and password and dynamic IP. So I wanted to know if I use my friend's authentication will the ISP know I'm the person using my friend's connection OR will ...
1
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1answer
68 views

What is a viable time-frame for links that expire? [closed]

Links that expire can be found anywhere from Email Verification to Password Reset procedures, I understand in most cases this is considered "security theater", but wanted to know what a viable time-...