Routing

(Note: I am taking a chance. These Youtube embeds have been so tempermental since the Pakistan routing problem. Try hitting refresh if the video does not play through.) Ok. The exhibitionism of Youtube is remarkable. Add to that an iconoclastic tutorial category, like Hula Ho ...more

Since its founding in 1984, Cisco Systems has been a global leader in information technology. From networking hardware and software to domain security and energy management, the company dominates the IT field. Cisco's Cisco Certified Network Associate (CCNA) and Cisco Certifi ...more

If it's always been your dream to work for a large company as an app developer, there's never been a better time to consider the field than right now — especially with companies like Apple staffing up in this department. It feels like everywhere you turn, companies are startin ...more

You've probably seen those deep-web images floating around on the Internet. Usually, it goes something like this: There is a towering iceberg and the deeper the underwater portion extends, the more “hidden” and “exotic” the content is described to be. Sometimes these images ar ...more

If you read my article on the OSI model, you got a good overview on communications from that model's perspective, but how does that relate to TCP/IP? We're going to take it a step further, getting into the idea behind the two address concept. How does an IP address and a MAC a ...more

You walk over to your laptop, wiggle your mouse to wake up the screen, then fire up your browser to come visit Null Byte. Catching the article about Anonymous and how they presumably will not take down the Internet, you find yourself wondering... how would someone take down th ...more

We talk about packet captures often here on Null Byte, but check out this gem. The future of this? what do you all think?

Despite the security concerns that have plagued Facebook for years, most people are sticking around and new members keep on joining. This has led Facebook to break records numbers with over 1.94 billion monthly active users, as of March 2017 — and around 1.28 billion daily act ...more

School internet filters serve a valid purpose—they keep students from wandering off into the deep corners of the web while still allowing at least some internet access. But a lot of these restrictions are completely ridiculous, to the point where some school districts block ac ...more

Welcome back, my nascent hackers! Like anything in life, there are multiple ways of getting a hack done. In fact, good hackers usually have many tricks up their sleeve to hack into a system. If they didn't, they would not usually be successful. No hack works on every system a ...more

Many of my aspiring hackers have written to me asking the same thing. "What skills do I need to be a good hacker?" As the hacker is among the most skilled information technology disciplines, it requires a wide knowledge of IT technologies and techniques. To truly be a great h ...more

With just a few taps, an Android phone can be weaponized into a covert hacking device capable of running tools such as Nmap, Nikto, and Netcat — all without rooting the device. UserLAnd, created by UserLAnd Technologies, is a completely free Android app that makes installing ...more

Apple's iOS 11 is finally here, and while they showed off several of the new features it brings to your iPhone, iPad, and iPod touch back at WWDC 2017, they've only just touched the surface of what iOS 11 has to offer. There are a lot of cool new (and sometimes secret) feature ...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

Welcome back, my tenderfoot hackers! Not too long ago, I showed how to find various online devices using Shodan. As you remember, Shodan is a different type of search engine. Instead of indexing the content of websites, it pulls the banner of web servers on all types of onlin ...more

When you're checking out photos and video on Instagram, its default bright white layout can literally be an eyesore, especially in dimly lit settings where the bleached UI feels blinding. Luckily, there's a really simple way to switch from the normal light mode to a dark mode ...more

As intuitive as Google Maps is for finding the best routes, it never let you choose departure and arrival times in the mobile app. This feature has long been available on the desktop site, allowing you to see what traffic should be like at a certain time and how long your driv ...more

While Wi-Fi networks can be set up by smart IT people, that doesn't mean the users of the system are similarly tech-savvy. We'll demonstrate how an evil twin attack can steal Wi-Fi passwords by kicking a user off their trusted network while creating a nearly identical fake one ...more

Wet shoes are uncomfortable, no one can deny that. Just think about walking around with soaking wet footwear ... and each squishy step you take. Makes you cringe, doesn't it? It can happen in heavy rain, at the beach, or from an unforeseen puddle on the street. And while you c ...more

If you tend to use the app switcher a lot to open recent apps, then all of the apps you accessed months ago are just sitting there cluttering things up. While force-closing all of the recent apps on your iPhone isn't really necessary, it's sometimes nice to wipe the slate clea ...more

People are always looking for ways to save money, and for the most part, saving money and cheating the system are synonymous when it comes to things like free internet access. Practically every new gadget is capable of connecting to the web, which means more and more people ar ...more

Malevolent hackers can divert your incoming calls and texts to any number they want, and they don't need to be a criminal mastermind to do it. Even friends and family members can reroute your incoming calls and messages so that they know exactly who's trying to reach you, and ...more

As we all use our smartphones for more and more things, we constantly want to share and view those items on a larger screen, especially when it comes to media. While phones like the Samsung Galaxy Note 2 and tablets like the iPad do make watching Netflix on a portable device p ...more

UPDATE: The ported APK covered below is now obsolete because Fortnite beta is officially available for all Android devices! Alongside its Galaxy Note 9 announcement at Unpacked this year, Samsung confirmed that Fortnite would initially launch on Android as a Galaxy-exclusive. ...more

Apple AirTags are super helpful for keeping track of your keys, backpack, and other frequently misplaced items, but there are some pretty clever things you can do with them beyond finding your stuff. Apple's $29 Bluetooth beacons definitely drew some inspiration from Tile's l ...more

Touchscreens are all the rage these days, and it seems that the stylus has become a relic of the past thanks to newer and better fingertip responsive smartphone displays. But when it comes to phablets like Samsung's Galaxy Note line, the added S-Pen is definitely helpful for m ...more

So you've been using iOS 13 for a little while and noticed your iPhone is pretty slow to charge. Using the 5-watt power adapter out of the box, in the time it used to take your iPhone to charge its battery to 100 percent, your iPhone is stuck at 80% or below instead. That's be ...more

Trust can be a touchy subject in general, and is often required when sharing personal information—especially so when handing our phones over to others. You may not have a ton of secret or nefarious information on your device, but that doesn't mean you want your mom or snoopy c ...more

The sound your iPhone makes when you connect it to a power source has been the same for a long time. Unfortunately, it was never possible to change that chime to something different without jailbreaking first, which opens your iPhone up to malware and hackers. Thankfully, iOS ...more

In one of Apple's newer ads, the company claims that "more photos are taken with the iPhone than any other camera." If this is in fact true, then it might also be appropriate to say that more photos are accidentally deleted on iPhones than any other camera. Don't Miss: How to ...more

Unscheduled pit stops go hand in hand with road trips, no matter how well-planned they are. In the past, making a stop due to low fuel or an emergency bathroom break may have snowballed into massive delays when you went off course on your own, but thanks to a feature in Apple ...more

When you don't want somebody you're calling to know the real phone number associated with your iPhone, whether it's for privacy reasons, to avoid being called back, or to prevent being ignored, there are multiple things you can do to block it on their caller ID. Some of the b ...more

Netflix is more popular now than ever, but it still has a ways to go before satisfying everyone. Whether it's a lack of availability, buggy or unattractive apps, or just not being able to find anything to watch, lots of people have their complaints. But there is a way to make ...more

Welcome to Minecraft World! Check out our advanced tutorials and come play with us on our free server. Gathering resources can be an exhausting business. Hours can be spent collecting feathers for arrows or in search of enough Ender pearls to find a stronghold. Luckily with e ...more

A burner number isn't just for criminals and cheating spouses. In this digital world, with many of our interactions being conducted online, a throwaway phone number acts as a buffer — it lets you enjoy the web without having to give out your personal information, such as real ...more

When joining a new network, computers use the Address Resolution Protocol to discover the MAC address of other devices on the same network. A hacker can take advantage of ARP messages to silently discover the MAC and IP address of network devices or actively scan the network w ...more

Your smartphone stays with you everywhere you go, so it's only a matter of time before you spill coffee all over it or drop it on the ground. For some of you, it has already happened, perhaps even multiple times. That's why we thought it was important to find out which flagshi ...more

Have you ever noticed how your home screen and lock screen wallpaper moves underneath your notification, app icons, really anything on display? It's a cool effect, but to some, might be a bit jarring. On top of that, it also uses up precious battery life. If you're sick of see ...more

Nearly every connection to the internet is dependent on the Domain Name System. DNS, as it's more commonly called, translates domain names like gadgethacks.com into IP addresses, which is what network devices use to route data. The problem with DNS servers is that they don't h ...more

A trip to any grocery store's produce section will quickly reveal that bananas are often picked from the tree well before their prime—which is necessary for them to arrive at our local store without going bad. In fact, bananas are refrigerated en route to our supermarkets in o ...more

It's finally out. After months of testing, iOS 13 is available to install on your iPhone, which means over 200+ new features you can use right now. The update, released on Sept. 19, can be installed over the air or from a restore image using iTunes in macOS Mojave and older or ...more

Bourbon is the ultimate American spirit, considering the barrel-aged distilled spirit was originally produced in an area known as Bourbon County, Kentucky. To meet the legal definition of bourbon, it must be produced in the United States, must be created with at least 51% corn ...more

So, you want to perform an exploit on a victim, but you're not on the same network as their machine. In this tutorial, I'll be showing you how to set up a meterpreter reverse_tcp attack to work over the internet. Understanding the Process Here is the connection we wish to es ...more

Say what you want about Samsung's TouchWiz UI being cluttered or overbearing, but one thing you can never complain about is a lack of features. In fact, it's been almost 8 months since I first took my Galaxy S6 Edge out of its box, but I'm still discovering features to this da ...more

In Apple Music, loving and disliking songs is a great way to teach Apple's subscription service what type of tunes you like and which you don't. While it also seems like it should be an excellent way to keep track of songs you enjoy in the wild, there's no clear way to view al ...more

Many people get so discouraged by their failures with redstone that they give up using it entirely, or never progress beyond using simple switches. However, by incorporating logic gates into your redstone designs, the applications are nearly limitless. The ability to add multi ...more

Greetings my fellow hackers. As you may have noticed by my lack of posts, I've been away for a while working on a big project with a team (which won't be finished anytime soon), and I have also been putting together a small side project for Null-Byte that I will be announcing ...more

The final developer version of iOS 11 was leaked a few days ago, but Apple quickly stopped signing it so nobody else could install it. With Apple's Sept. 12 event now over, the Golden Master (GM) version of iOS 11, the same version that will be released to everyone around Sept ...more

There are plenty of legitimate reasons that you might want to record a phone conversation. Let's say you operate a business and take orders over the phone, and you don't want to miss an item. Or perhaps you need to jot down some notes from a recent conference call, and things ...more

Welcome back, my greenhorn hackers! In previous Wi-Fi hacking tutorials, I have shown you ways to create an Evil Twin, to DoS a wireless AP, and to crack WEP and WPA2 passwords, but in this tutorial, I will show you something a little bit different. In many restaurants, hote ...more

Maps is great for making sure you always get to your destination, until you miss that critical turn because you couldn't hear the turn-by-turn directions. If your iPhone is connected to your vehicle's Bluetooth system and you're using it to listen to your favorite music or Sp ...more

We've all been there: you're staring at a fantastic-looking salad or sandwich full of your favorite ingredients. You take a bite, and you taste only one thing—raw onion. A glass of water, a toothbrush, and an hour later, and your breath still tastes like only one thing—raw oni ...more

Apple's already gone through iOS 13.0, 13.1, 13.2, 13.3, 13.4, and 13.5 betas, and now it's time for iOS 13.6. If you want to try out new features on your iPhone before the masses, install either the developer or public beta. The iOS 13.6 beta first appeared as an iOS 13.5.5 ...more

When driving, you can get directions hands-free by asking Siri. You can also make general map searches, show a location's details, call a query's phone number, and view traffic details. However, Siri defaults to Apple Maps for all those. If you prefer Google Maps, Waze, or ano ...more

Apple's iOS 13 has been available for beta testing since June, and the stable release pushed out to everyone on Thursday, Sept. 19. To help you make the most out of iOS 13 for iPhone, we've rounded up everything you'll want to know, whether a colossal feature, small settings c ...more

ARP spoofing is an attack against an Ethernet or Wi-Fi network to get between the router and the target user. In an ARP-spoofing attack, messages meant for the target are sent to the attacker instead, allowing the attacker to spy on, deny service to, or man-in-the-middle a tar ...more

There's no debating that the Galaxy S8 and S8+ are top contenders for the most beautifully designed handsets of 2017, but the same can't be said for their TouchWiz interface, which has been met with lukewarm reception at best. Changing the UI by flashing a custom ROM has alwa ...more