Hack Oyster Card

If you want to follow Null Byte tutorials and try out Kali Linux, the Raspberry Pi is a perfect way to start. In 2018, the Raspberry Pi 3 Model B+ was released featuring a better CPU, Wi-Fi, Bluetooth, and Ethernet built in. Our recommended Kali Pi kit for beginners learning e ...more

The world is full of vulnerable computers. As you learn how to interact with them, it will be both tempting and necessary to test out these newfound skills on a real target. To help you get to that goal, we have a deliberately vulnerable Raspberry Pi image designed for practic ...more

In 2019, the Raspberry Pi 4 was released with specs including either 1 GB, 2 GB, or 4 GB of memory, a Broadcom BCM2711B0 quad-core A72 SoC, a USB Type-C power supply, and dual Micro-HDMI outputs. Performance and hardware changes aside, the Pi 4 Model B runs Kali Linux just as ...more

There are many tools out there for Wi-Fi hacking, but few are as integrated and well-rounded as Bettercap. Thanks to an impressively simple interface that works even over SSH, it's easy to access many of the most powerful Wi-Fi attacks available from anywhere. To capture hands ...more

Welcome back, my tenderfoot hackers! A number of you have written me telling me how much you enjoy the Mr. Robot series on USA Network. I am also a huge fan! If you haven't seen it yet, you should. It may be the best show on TV right now. Mr. Robot is about a young man with ...more

The Raspberry Pi is a credit card-sized computer that can crack Wi-Fi, clone key cards, break into laptops, and even clone an existing Wi-Fi network to trick users into connecting to the Pi instead. It can jam Wi-Fi for blocks, track cell phones, listen in on police scanners, ...more

With an inconspicuous Android phone and USB flash drive, an attacker can compromise a Windows 10 computer in less than 15 seconds. Once a root shell has been established, long-term persistence to the backdoor can be configured with just two simple commands — all while bypassin ...more

Greetings aspiring hackers. I have observed an increasing number of questions, both here on Null-Byte and on other forums, regarding the decision of which USB wireless network adapter to pick from when performing Wi-Fi hacks. So in today's guide I will be tackling this dilemm ...more

Your social security number, credit card information, and medical history can fall into the wrong hands if you're not careful about how and where you share your data online. If you really care about your data, there are tools and techniques you can utilize to protect yourself ...more

Welcome back, my hacker apprentices! My recent posts here in Null Byte have been very technical in nature, so I thought that I'd have a little fun with this one. Have you ever had an annoying neighbor whose dog barks all night, who has loud parties that keep you awake, or who ...more

While the security behind WEP networks was broken in 2005, modern tools have made cracking them incredibly simple. In densely populated areas, WEP networks can be found in surprising and important places to this day, and they can be cracked in a matter of minutes. We'll show y ...more

Wi-Fi networks come in two flavors: the more common 2.4 GHz used by most routers and IoT devices, and the 5 GHz one offered as an alternative by newer routers. While it can be frustrating to attack a device that moves out of reach to a 5 GHz Wi-Fi network, we can use an Alfa d ...more

If you want to carry a variety of network adapters without looking suspicious, a perfect solution is accessing them through Airserv-ng. Tucked away in the Aircrack-ng suite, this tool allows a hacker to plug any number of network adapters into a Raspberry Pi and access them ov ...more

If you're an iOS developer, welcome back to beta testing. Apple just released the first iOS 12.4 developer beta today, Wednesday, May 15, just two days after the public release of iOS 12.3. While Apple has not shared any release notes, we know this latest version of iOS will s ...more

When the iPhone X was first introduced, it came with an odd way to force-close apps. While all other iPhone continued to use a two-step gesture in iOS 11, iPhone X users were stuck with an annoying three-step gesture that was seen last in iOS versions from at least six years a ...more

Welcome back, my greenhorn hackers! Now that we're familiar with the technologies, terminology, and the aircrack-ng suite, we can finally start hacking Wi-Fi. Our first task will be to creating an evil twin access point. Many new hackers are anxious to crack Wi-Fi passwords t ...more

Welcome back, my fledgling hackers! Hacking has a long and storied history in the U.S. and around the world. It did not begin yesterday, or even at the advent of the 21st century, but rather dates back at least 40 years. Of course, once the internet migrated to commercial use ...more

Having your home and work addresses set in Apple Maps makes them incredibly easy to navigate to no matter where you're located. If you move to a new house, stay in a hotel or resort while vacationing, report to a different office, or have multiple job sites to visit regularly, ...more

Salt is one of my favorite ingredients, by far, and also one of the most overlooked foods in the kitchen. This is probably due to the fact that it's an essential component of almost any recipe; because salt is a necessity, it's easy to forget how dynamic and versatile it can b ...more

Samy Kamkar, security researcher and friend of WonderHowTo, just had one of his devices featured in Mr. Robot. If you've never heard of Samy, you've at least probably heard of one of his hacks. For instance, the Samy computer worm that hacked MySpace, his compressed air trick ...more

Back in 2015, Amazon Prime Video was the first subscription-based streaming service to introduce the ability to download movies and TV shows for offline viewing on mobile devices. For travelers and users with limited data plans that like to watch films and episodes on the go, ...more

Apple released the third public beta for iOS 12.4 on the afternoon of May 28. The update arrives roughly three hours after Apple published 12.4's third developer beta, and eight days after 12.4 public beta 2. At this time, it seems beta 3 is a minor update for 12.4, which itse ...more

You just brought a brand new Pixel 3 from the Google Store, and you insert your SIM card only to find the phone won't recognize it at all. No matter what you do, the SIM card won't register and your Pixel won't connect to your carrier network. That's what happened to me and se ...more

Welcome back, my budding hackers. So many of you are interested in hacking Wi-Fi that I have decided to revisit my Wi-Fi Hacking series with some updated and more in-depth material. I strongly suggest that you look at some of my earlier posts, such as "Getting Started with Te ...more

If you've grown bored of day-to-day hacking and need a new toy to experiment with, we've compiled a list of gadgets to help you take password cracking and wireless hacking to the next level. If you're not a white hat or pentester yourself but have one to shop for, whether for ...more

Out of the box, Apple's digital assistant could be a godsend or a nuisance, depending on your daily interactions it. No matter which camp you fall into, Siri can always be better suited to your personal needs with a little customization. You can make Siri a powerhouse not to b ...more

Equifax reported on Sept. 7 that it discovered a breach on July 29 which affects roughly half of Americans, many of whom don't realize they have dealings with the company. Hackers got away with social security numbers, addresses, and driver's license numbers, foreshadowing a " ...more

With the iOS 13 beta right around the corner, Apple is churning out the betas for iOS 12.4 with developer beta 3 out today, May 28. It's the third beta in just 14 days and just eight days after developer beta 2 and public beta 2. The third beta may only house improvements over ...more

Apple just released the second iOS 12.4 developer beta today, May 20, five days after the release of the first developer beta for iOS 12.4 and one week after the public release of iOS 12.3. In general, the iOS 12.4 update will support Apple Card, Apple's upcoming credit card d ...more

With the iPhone XS, XS Max, and XR, Apple introduced dual-SIM capabilities to iOS, made possible by eSIM technology. If you recently picked up one of these three new iPhones and need to utilize your eSIM while traveling abroad, you might want to take a look at the data plans o ...more

When you want to post a breathtaking landscape or picture-perfect portrait that you just took with your DSLR camera to Instagram, Facebook, or some other social platform, there's an easy way to do so — even if you don't have a computer handy, which is typical when you're out a ...more

It used to be that you only had to worry about maids rummaging through your belongings in your locked hotel room. But now anyone with 50 bucks of hardware and some programming skills can hack their way in—as long as it's locked by keycard. At the Black Hat security conference ...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

By default, there aren't many customization options for the notification badges on iPhones — you can either leave the numbered red bubbles there, or turn them off. But thanks to a new jailbreak tweak, you can now give your badges a unique look with new functionality. Aptly na ...more

While fully closing apps on your iPhone can keep it running at peak efficiency since it frees up memory and stops background refreshing, it's most critical when dealing with unresponsive apps. If you have an issue with a certain app, you can just force-close it instead of rebo ...more

Google has an intriguing feature called Nearby that lets users share content without being on the same Wi-Fi network, or without even exchanging contact info first. Instead, the function uses an array of standard smartphone features, as well as subsonic sound, to identify othe ...more

In the tech world, it's all too common to slap a fake label and packaging on a lower quality product, especially SD cards. If you've ever bought an SD card on the cheap from a slightly-less-than-reputable source (or even a reputable source, in some cases), how do you know if i ...more

If you ever need to spice up a party, drinking games can really get things started quickly. The objectives are generally to complete tasks or challenges, but it's really all a thinly-veiled excuse for increasing everyone's alcohol intake in a hurry while testing levels of ineb ...more

When I was a little kid, I was obsessed with shells. And while most of my shell collection came from combing the beach for treasure, some of it came from a different source: dinner. Whenever my parents had fresh clams or mussels, I would take the leftover shells, soak them ove ...more

You can send and receive money from your iPhone using Venmo, Square Cash, Facebook Messenger, and even Snapchat. There's also Zelle, which offers quick-pay solutions in major banking apps such as Bank of America, Chase, and Wells Fargo. However, Apple has a built-in system to ...more

MoviePass was once the best subscription service on the market for getting cheap movie tickets. For the price and the number of films you could see and save money on, it was unbeatable, but recent changes to the service have made it less enticing. While it still works well for ...more

Welcome back, my apprentice hackers! As many of you know, I have been hesitant to adopt the new Kali hacking system from Offensive Security. This hesitancy has been based upon a number of bugs in the original release back in March of 2013 and my belief that BackTrack was easi ...more

Seven days ago, Apple released the first public beta for iOS 12.2. Now, public testers have access to the latest beta update since Apple released 12.2 public beta 2 on Tuesday, Feb. 5. The company released the developer beta one day earlier, which includes bug fixes, new Animo ...more

On Monday, Feb. 4, Apple released the second developer beta for iOS 12.2. The update features bug fixes to users running iOS 12.2 beta 1, as well as four new Animoji for Face ID devices. Developers are strongly encouraged to update their iPhones. It's unclear at this time whet ...more

Public beta testers are no longer stuck on iOS 12.1.3. Apple just released the first public beta for iOS 12.2 today, Jan. 28. The company released the first developer beta for the software Thursday, Jan. 24, which includes new features for HealthKit and News, as well as a slew ...more

One day after the official release of iOS 12.1.3, Apple released the first beta for iOS 12.2 to developers. The software appears to be the first in some time to be a major update. Apple's last beta cycles included 12.1.2 and 12.1.3, incremental updates to iOS 12.1. Now, we've ...more

Knives are among the most important utensils in any kitchen; it's hard to even conceive of cooking a decent meal without them. However, many different foods can be prepped without a knife, and some are actually better off without one. If you don't believe me, then check out th ...more

Android has a brand new mobile payments system, and it's rolling out to most devices as we speak. Android Pay, as it's called, will replace the existing Google Wallet app as an update, and it brings some awesome new functionality such as tokenization and the ability to tap-and ...more

With a cheap computer, smaller than the Raspberry Pi, an attacker can create a remote hacking device. The device can be attached to a target router without anyone's knowledge and enable the hacker to perform a variety of network-based attacks from anywhere in the world. As th ...more

One of the best parts of Pandora is its personalized stations that auto-generate songs within the specific style or genre you've chosen. Not only does this play your favorite tracks with regularity, but it also opens your ears to previously unknown songs or artists — ones you ...more

Whenever you move into a new home, whether that's a house or apartment, changing addresses on all your online accounts is one of the most monotonous tasks that needs to be done. It's even more tedious when you have to update both shipping and billing addresses. But it's necess ...more

Making a purchase through PayPal is great because you have the option to pay using your account balance, a bank account, debit card, credit card, rewards balance, or even PayPal's own credit product. You need to pick one to be your preferred payment method for each in-stores a ...more

Shopping wasn't always this easy. Now, in a matter of minutes, you can order your groceries for the week, send your cracked phone in for repairs, get your holiday shopping done, and have everything delivered to your front door in just a few days — without ever having to leave ...more