This is because it leaves one place you're definitely not How does my browser history reveal where I've been? Some search engines, like Google, see where you are from your IP address , and then redirect you to a local version of their search engine. If you're in Germany and you type in Google. And the websites you visit are usually stored in your browser history unless you have disabled this function, or clear your browser history regularly.
Anyone who has access to your computer or your browser. If you have location information on your phone turned on for pictures, this information will get embedded in the picture ie, the picture's metadata will include where you took the picture. When you send or upload these pictures you can share your location data without thinking about it. She hadn't requested this, and hadn't notified Google that she was going on holiday. But she didn't need to. Google's algorithms could pick up the break in routine, and take an obvious guess that she was on holiday.
Google's algorithms could have also identified locations using machine vision to match key landmarks.
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By the end of the trip - despite the fact that Jean's phone was actually off most of the time - Google was able to pull together enough information to organize her photos in a location timeline. See how you're being tracked in your browser. Control your data: Simple how-to's. Tactical Tech's Me and My Shadow project helps you control your data traces, see how you're being tracked, and find out more about the data industry.
Credits Data Use Policy. Email: myshadow tacticaltech. Sign up to our monthly newsletter-magazine, In the Loop Security in-a-box: Tools and tactics for your digital security. About Tracking See it for yourself.
Location tracking Location tracking gives a very detailed picture of who we are, where we go and who we spend time with. Last Updated: 15 Feb The spies in our pockets Your devices - computers, mobile phones, and tablets - are constantly telling others where you are. Location data tells a detailed story Location information collected over time can tell a surprisingly full story about who you are and what your life looks like. Read more here Social Graph mapping Location data can also be used to map out your relationships with others.
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Mobile phone towers and your phone Mobile phone towers To send and receive calls and messages, your phone must constantly communicate with mobile phone towers. See your location logs Unless you've already turned off location services or frequent locations, your phone is probably logging your location on the device itself.
Wifi history There are two main ways your phone can give away location information when Wifi is enabled. You can check your IP address here. See your recorded locations Some services, like Gmail, Twitter and Facebook, record your location data in a way that you can access. See your public location data The website Please Rob Me shows you a stream of your location data, as shared via Twitter, Foursquare etc, so you might think harder next time you're tempted to announce this information. Read Next See how you're being tracked in your browser.
Feel free to browse through that instead of the raw logs. One of the things I was most interested in is trying to determine whether or not the number of visible computers on the Internet increased in North Korea after the power transition from Kim Jong Il to Kim Jong Un. The answer there is that for the most part, it hasn't increased much in terms of number of directly visible hosts, but if you look at the scans, you get the impression they're using it more.
You can also tell a bit about what North Korea's infrastructure looks like and how they run things. First off, most of North Korea's infrastructure runs on Linux. This probably isn't a huge surprise, since we know North Korea has their own Linux distro, Red Star OS , so it's easy to guess they might be fans. Luckily, Apache tends to report the flavor of Linux. And indeed, starting in scans this year, you see that some of their public facing web servers are running RedStar:.
Addressing the challenge of IP spoofing
The latest scan includes three RedStar machines. Interestingly, the Red Hat machines they had running in earlier scans disappeared about this time, so it might be they deployed Red Star OS to replace their Red Hat machines. They also use CentOS 4 in the latest scan, more than RedStar , a number of machines that don't report the flavor used and one machine which merely reports Unix. North Korea generally wants your new software stacks to get off their lawn. They haven't embraced the Web 2. X rails chop shop style web development popular in some other countries.
Their mailservers sometimes expose Cyrus on POP3's port. Oh, they're also into Icecast for their streaming media servers, though it's unclear whether they're still using the same thing now. They've also had some Windows machines running IIS, up until about or so so they've got a more diverse infrastructure environment going on than just Linux machines everywhere. For the most part, their infrastructure hasn't changed a whole bunch over the period I've been scanning them.
Though North Korea does seem to bring up an increasing number of sites running on the various webservers they have on their slice of the Internet. One of their routers appear to be configurable remotely, which is one of those things likely to catch eyes:. So that's a quick view of some of the visible infrastructure-y parts of their network. I just grabbed the highlights, leaning towards the more current scans.
There's a bunch of different services running, browse through the full scans for more.
Addressing the challenge of IP spoofing | Internet Society
More interesting is the computers that show up on their network, even for brief periods of time. It seems that while most computers in North Korea are kept behind the edge infrastructure, some computer does show up right on the public Internet. It's got a pretty unusual networking footprint, not something you see out of the box:. I'm not too familiar with it. Bottom line: there are MacBooks in North Korea. This one might be some journalist's machine, which seems like a likely explanation. There is no requirement in Qualys for scanning and reporting to use the same mechanism.
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Generally you should be scanning everything, all the time, and tailoring report scope and target to the constituent audiences. My recommendation is to obtain DHCP ranges from the network team. These should be easily available from your Active Directory, Cisco, Wireless Controller, or other configurations. Note, if you are changing a network range that you have been previously scanning from IP tracked to DNS tracked all currently existing assets in the range must have a DNS name associated with them.
If they do not, Qualys will throw an error when you try to convert the range. Some customers have used the results of an asset search to selectively change the tracking mechanism for individual assets and discovered that this does not always work as you might expect.
What is happening here is that you are changing the tracking mechanism for the asset entry in the Qualys host data, and for that specific IP address. However it is not telling Qualys to automatically set the tracking mechanism any time we see that particular target system. This is a subtle but important difference. Essentially you are changing the asset entry in the database to DNS tracked after purging any existing conflicts , and creating a DNS tracked range where the size of the range is a single IP address. In subsequent scans, if that same target system always resolves to an IP that is in an DNS tracked range, then it will behave as expected, by updating the existing asset in the host data and changing the IP address to the one the asset is most recently detected on.
Additionally, if over time multiple systems are detected on that DNS tracked address, the address may accumulate DNS tracked entries associated with it.