Exif

Most of the images in your iPhone's Photos app contain exchangeable image file format data known as Exif or EXIF data, which has several helpful uses. You can use countless apps capable of reading Exif data, many of which are paid or limited. But you already have an app on you ...more

Metadata contained in images and other files can give away a lot more information than the average user might think. By tricking a target into sending a photo containing GPS coordinates and additional information, a hacker can learn where a mark lives or works simply by extrac ...more

Technology: The Less You Know the Better? I'm sure everyone is now aware of GPS technologies and tracking techniques these days, with the release of numerous documents (even lawsuits) on big name companies like Apple, Microsoft, and Google. Yes, 2011 was a good year for eye-o ...more

Welcome back, my greenhorn hackers! In many cases when a computer, phone, or mobile device is seized for evidence, the system will have graphic images that might be used as evidence. Obviously, in some cases these graphic images may be the evidence such as in child pornograph ...more

We've talked before about EXIF data—or metadata—attached to photos and how it can expose information about your location, what type of device you're using, and even the device or camera's unique identification number. If you think it's not that big a deal, just ask John McAfe ...more

Location Services, a native feature on iPhones since iOS 6, is used to pinpoint your approximate location using a combination of GPS, Bluetooth, Wi-Fi, and cell tower information. Apple uses this on their smartphones for many useful reasons: so that you can tag locations in In ...more

When we hack a web server, we usually want to be able to control it in order to download files or further exploit it. There are many websites that let you upload files such as avatar pictures that don't take the proper security measures. In this series, I will be showing you h ...more

Sharing pictures from Google Photos by sending a link saves time because you don't have to download the image from Google, then reupload it somewhere else. But anyone who has your link can access your pictures, and baked into every file is metadata that you may not want prying ...more

One of the most promising avenues of attack in a web application is the file upload. With results ranging from XSS to full-blown code execution, file uploads are an attractive target for hackers. There are usually restrictions in place that can make it challenging to execute a ...more

Featured on MTV's Catfish TV series, in season 7, episode 8, Grabify is a tracking link generator that makes it easy to catch an online catfish in a lie. With the ability to identify the IP address, location, make, and model of any device that opens on a cleverly disguised tra ...more

There's always an iPhone in our list of top phones for privacy and security, due in large part to advanced security measures like Face ID, consistent iOS updates, and easy ways to prevent unwanted access and excessive data sharing. However, some of those options actually do th ...more

If you shoot videos with your iPhone in low-light situations, you may not always get the results you want. And that applies when recording video in 720p, 1080p, and even 4K resolutions. But there's an easy way to maximize your video's quality when filming in dark environments. ...more

While modern browsers are robust and provide a lot of functionality, they can be unlocked to do some pretty spectacular things with browser extensions. For hackers and OSINT researchers, these tools can be used to defeat online tracking, log in to SSH devices, and search the i ...more

Nmap is more powerful than you know. With a few scripts, we can extend its functionality beyond a simple port scanner and start to identify details about target servers sysadmins don't want us to know. Possibly the most popular and well-known reconnaissance tool currently ava ...more

Chances are, you just point, shoot, and share photos and videos on your iPhone without a second thought about how your privacy is affected. It's fairly easy to do so since the Camera and Photos apps that Apple provides seem so innocent. But there are a few things you need to k ...more

Complex shell scripts can be implanted into photo metadata and later used to exploit a MacBook. In addition to obfuscating the true nature of an attack, this technique can be used to evade network firewalls as well as vigilant sysadmins. In this attack scenario, a malicious c ...more

The pictures we upload online are something we tend to think of as self-expression, but these very images can carry code to steal our passwords and data. Profile pictures, avatars, and image galleries are used all over the internet. While all images carry digital picture data ...more

You may be familiar with image-based or audio-based steganography, the art of hiding messages or code inside of pictures, but that's not the only way to conceal secret communications. With zero-width characters, we can use text-based steganography to stash hidden information i ...more

While the increasing superiority of smartphone cameras is great, they can be a double-edged sword. Sure, we get great images that are crystal clear, but at what price? Storage space on your devices ends up paying the price for this luxury, filling up quickly due to the high-qu ...more

Every photo you take is brimming with metadata such as iPhone model, date and time, shooting modes, focal length, shutter speed, flash use, and geolocation information. Share these pictures with friends, family, or acquaintances via texts, emails, or another direct share metho ...more

The photos and videos you take with your iPhone contain bits of information, known as metadata, including the location where they were taken. This metadata makes it easier for Photos to organize your media, but put these photos and videos in the wrong hands and anyone can find ...more

When Android 5.0 rolls out to the Nexus 5, several changes and new features will come along with it. The over-the-air update is already rolling out, and if you don't want to wait, you can get it right now. We've pored through the massive changelog—which includes over 700 Nexu ...more

Ever had your car broken into? Or worse, your apartment? Ever been pickpocketed? Handheld electronics—iPods, iPhones, iPads, GPS devices, digital cameras—are easy to snatch, light to carry, and useful to most. And when they're gone, they're gone. Until now. Thanks to develope ...more

The Pixel 3 runs stock Android, so you might think that since you've used an Android device before, you should know your way around the new phone by default. But Google has actually added several great Pixel-exclusive software features to its flagships, and not all of them are ...more

If you've been an iPhone user for quite some time, you probably have quite a bit of photos and videos in iCloud or on your device. Unless you know the date, location, or event, it can be pretty hard to find a specific memory. Even with intelligent search suggestions, AI-create ...more

WonderHowTo is a how-to website made up of niche communities called Worlds, with topics ranging from Minecraft to science experiments to Scrabble and everything in-between. Check in every Wednesday evening for a roundup of user-run activities and how-to projects from the most ...more

All kinds of people pretend to be someone they're not on the internet, including scammers, people attempting to wind others up, hackers and web predators. Almost all of these people will leave bases uncovered and they're all easy to expose when you understand how to. Here are ...more

There are seemingly endless photography apps for the iPhone—it is perhaps one of the most popular arenas for application developers. We've covered a few in Giveaway Tuesdays, but nothing comprehensive. We would be remiss to omit the two most popular frontrunners—Hipstamatic ( ...more

Configuring onion services for the first time can be tricky. A surprising number of system administrators make seemingly trivial mistakes that ultimately lead to catastrophic cases of de-anonymizing supposedly anonymous sites on the dark web. OnionScan is a tool designed to id ...more

WWDC 2017 is right around the corner, where Apple is expected to reveal iOS 11, the newest version of their mobile operating system. There have been many rumors floating around about what iOS 11 will have in store for us, but not all of those features will end up in the final ...more

While there are other photo-editing apps to choose from on the App Store, Apple Photos is more than good enough for most needs on the iPhone — and things only get better with age. With each new iteration of iOS, Apple refines and improves Photos for the better, and iOS 14 adds ...more

You probably already know that your digital pictures have quite a bit of information embedded in them. What you might not know is just how much personal information is included in that metadata, including your camera information, and in some cases, even the precise GPS coordin ...more

You should feel relatively safe to watch and post videos on TikTok, but like with any online service, you're always at the mercy of hackers. It's unfortunate, but anyone can become a target for arbitrary reasons. Maybe your TikTok videos are controversial. Maybe someone has a ...more

Welcome back, my hacking friends. We use our smartphones every day, for business, socialization, and leisure. The number of iPhone users is increasing in dozens of millions every year, with a whopping 63.2 million users in 2014 alone. That's a lot of users. Here's the scary p ...more

If you're spending hours on your phone playing games like Angry Birds and Candy Crush Saga, or posting online to Google+ and Pinterest, you're probably being spied on. The latest releases from NSA whistle blower Edward Snowden reveal that the National Security Agency, and its ...more

Metadata might be a bigger concern than you might realize. In its continuous push to be a privacy-first company, Apple has released several new features with iOS 15 that allow you to adjust and permanently change the metadata stored within the photos and videos you take on you ...more

As protests surge in the wake of George Floyd's murder by a Minneapolis police officer, powerful photographs and videos from the demonstrations have gripped the world, putting our nation's very real and very justifiable widespread civil unrest out into the digital world. Unfor ...more

Without realizing it, you may be giving away the GPS coordinates of your home, workplace, school, and other important or secret locations. Unless you've blocked the feature on your iPhone, location data is stored in almost every photo and video you take, and anyone you share t ...more

Every single photo you take carries with it a considerable amount of seemingly "invisible" yet important information known as metadata. Although metadata is usually helpful to sort your photographs by location and date, that same information could potentially be used against y ...more

Apple introduces several new privacy settings with iOS 15, including the ability to better manage the metadata in your photos. With just a few taps, you can effectively spoof a photo's geolocation and change its creation date and time, providing a sort of disguise over your pe ...more

Apple's next big developer event happened on June 4, and it was the first glimpse of iOS 12 that anyone's seen. While there were lots of rumored features to be unveiled at WWDC 2018, Apple concentrated mostly on squashing bugs and making iOS work as seamless as it did years ag ...more

Apple's scheduled to show off the first look of iOS 13 at WWDC 2019 on June 3, but what will the new operating system hold for iPhone? Rumors suggest that many features initially planned for iOS 12 will show up in iOS 13, codenamed "Yukon," and dark mode will be the big ticket ...more

There is a whole world of smartphone accessories out there, some of which are more quirky than others and don't get the recognition they deserve. But these sometimes strange, sometimes embarrassing products can really make life easier on your iPhone or Android phone. We've fo ...more