Security Door Lock

Kali Linux, by default, probably doesn't have everything you need to get you through day-to-day penetration testing with ease. With a few tips, tricks, and applications, we can quickly get started using Kali like a professional white hat. Most Linux distributions are highly c ...more

If you have an iPhone with 3D Touch or Haptic Touch, some lock screen notifications will let you respond to a message without even unlocking the screen. This is definitely a handy feature, and it should save a lot of time in some cases, but there are some obvious security conc ...more

If you're like me, you have a secret dream of living in a house completely covered wall-to-wall and carpet-to-carpet in bubble wrap. Until you have enough of that pliable transparent plastic with air-filled bubbles, there are some truly practical things you can do with the lit ...more

If you bought the new iPhone 5 or upgraded your old one to iOS 6, you may be having issues when you try to upload photos to Facebook. After updating, the first time you try to share an image from the Facebook app, it will ask you to allow access to your Camera Roll. If you're ...more

It only takes a few commands to manipulate a MacBook's secure HTTPS traffic and pluck login passwords out of the encrypted data. Let's take Facebook and Gmail hacking to the next level by intercepting Safari and Google Chrome web traffic in real time. Both Facebook and Gmail ...more

There was a somewhat recent outbreak of malware on Android, and it came from an unlikely source—the Google Play Store. Several established apps have received updates a few months ago that contained an unwanted add-on called either DU Quick Charge, DU Battery Boost, DU Boost Ch ...more

Nothing else quite sums up my childhood like Super Mario, the Italian plumber who constantly had to defeat Bowser to save Princess Peach (aka Princess Toadstool) from danger. While it's easy to relive the classic gameplay on your Android with Nintendo emulators, not everyone h ...more

Widgets can display essential information from an app right on your iPhone's Lock Screen, but there's an even bigger reason you should be using them: fast access to your most-used apps. Thanks to iOS 16, you can add one widget above the time on the Lock Screen and up to four ...more

Your iPhone keeps track of every single place you go, especially those you frequent most often, and syncs those locations across all your iCloud-connected devices. People who gain access or already have access to your iPhone, iPad, iPod touch, or Mac may be able to view all of ...more

Perhaps the biggest new feature within Apple's iOS 17.2 update for iPhone is Journal, a new journaling app designed to help you take a moment to reflect each day using reflection prompts, recommendations via on-device intelligence, and suggestions for recent activities and eve ...more

If you use the Notes app on your iPhone and haven't updated to the newest software yet, you're missing out on some pretty valuable upgrades that improve smart folders, note security, collaboration, and more. So what are you waiting for? The new tools in Apple's Notes update m ...more

Forwarding messages is a helpful Telegram feature that makes it easy to share funny and entertaining content with other contacts. However, for the privacy-centric, forwarding poses an issue, as messages of yours that are delivered elsewhere carry a tag back to your account. Lu ...more

Rooting. As an Android user, I'm sure you've heard the word once or twice. According to Kaspersky, 7.6% of all Android users root — but for the 92.4% who don't, we wanted to talk to you. Rooting allows you to remove barriers and open Android to a level of unprecedented contro ...more

While it may not be an obvious feature, Apple actually built a way into iOS that lets you hide specific pictures and videos in the Photos app that you want to keep on the down-low, for your eyes only. If you show off your photos a lot or stream slideshows to your TV, this is a ...more

All to often, many of us are struck with a brilliant idea out of nowhere, only to forget about it moments later thanks to the distractions of daily life. Sometimes, the actual process of jotting these ideas down in our iPhones can be a holdup, as the idea we want to record fad ...more

Some people are of extremely secretive nature. They do not like sharing their personal events in their lives with anyone. Thus people around that person wont be able to figure out details on their life's personal matters. It is not like they want to hide some mysterious secret ...more

Apple has a built-in way to protect you from opening up potentially malicious apps on your computer in Mac OS X Lion, Mountain Lion, Mavericks, Yosemite, El Capitan, and macOS Sierra. This setting, named Gatekeeper, will never stop you from installing apps from the Mac App Sto ...more

Texting can be difficult sometimes. When you're browsing the web or playing a game on your iPhone and need to respond to text message real quick, you have to exit your current app to do so. Not exactly efficient, especially if a quick "K" is all you need to say. However, if y ...more

Apple released the eleventh developer beta for iOS 12 to registered software testers on Monday, Aug. 27, only four days after the company unexpectedly released both dev beta 10 and public beta 8. Apple has ramped up its beta release schedule as of late, offering minor updates ...more

There are many reasons to root Android, but for me, the most important one is to have the Xposed Framework. Xposed gives you access to hundreds of modules, which take away the need to manually modify core system files to add new features and functionality to your Android devic ...more

Smartphones are almost always connected to the internet, so it stands to reason that they can be hacked remotely. Or perhaps a jealous boyfriend or girlfriend got hold of your device physically, in which case they could've potentially installed a keystroke logger, a virus, or ...more

Apple released iOS 12.3, the latest version iOS 12 for iPhone, on May 13. Great features to know about include Apple TV Channels such as HBO and Showtime that you can subscribe to in the TV app, support for audio, image, and video streaming to AirPlay 2-enabled TVs, and the ab ...more

There's a lot of great things to be excited about with iOS 10 on your device. You can remove annoying stock apps, search emails better, remember where you parked, and much, much more. Seriously, there's actually more outstanding features in iOS 10 than in Apple's latest iPhone ...more

While the Apple Watch does have up to 18 hours of battery life each day on a full charge, your results will vary depending on how often you use it and what you're actually doing with it. If your Apple Watch isn't lasting all day long, we've got some battery-saving tips you ca ...more

There's a lot of cool features rumored to be included in next year's HTC One 2 (M8), the follow up to the flagship HTC One smartphone, including a fingerprint scanner, Android 4.4 KitKat, and Sense 6.0, but it's just too far away to get really excited about yet. Besides, that ...more

Living in Los Angeles has given me the opportunity to attend a bunch of really cool events. I've been to Dodgers, Lakers, and Clippers games, a few concerts at the Staples Center, and a plethora of smaller joints. In all of these places, I've found a consistent annoyance—I wa ...more

Android has not had the best reputation for privacy and security, though Google has made strides in those departments in recent years. A new feature called Safe Folder in the Files by Google app may help assuage and fear, uncertainty, and doubt that consumers may have with re ...more

With every new Galaxy flagship release comes the age-old dilemma: do I choose great hardware or great software? For years, Samsung has given users the best components available on any smartphone. The problem is the software is an acquired taste. But there is something you can ...more

Apple's latest mobile operating system, iOS 9, may not be the huge overhaul that iOS 8 was, but that doesn't mean there aren't plenty of new features. In fact, there are a ton of subtle changes that you may not notice right away. Here's a rundown of all the coolest new feature ...more

If you think you might be a likely target of a black-hat hacker, there's a new iOS security feature that offers extreme protection for your iPhone against spyware, phishing attempts, and other highly sophisticated cyberattacks. While anybody can activate the advanced security ...more

You can't get the same gaming experience on your iPhone as you would on a PlayStation 5, Xbox Series X, or gaming computer. The processing power is less, the controls inadequate, and there are many on-screen distractions, all of which make mobile gaming less enjoyable. While y ...more

After an update on Sept. 22, 2020, the Checkra1n jailbreaking tool expanded its compatibility to include iOS 12.0 to iOS 12.2, as well as iOS 13.5.1 to iOS 13.7. More importantly, however, it now can jailbreak iOS 14 on select iPhone models, with more support coming soon. The ...more

Someday, maybe not today, maybe not tomorrow, but someday, you'll find yourself on the road in your car, maybe on the highway, and you'll hear something. With your air conditioning on full blast and your stereo so loud your ears feel like they are bleeding, you normally would ...more

Hackers can be notoriously difficult to buy gifts for, so we've curated a list of the top 20 most popular items Null Byte readers are buying during their ethical-hacking studies. Whether you're buying a gift for a friend or have been dying to share this list with someone shopp ...more

This video gives a step by step tutorial how to service a Porsche 944. The service is demonstrated on an S2, but most steps are very similar for other versions. The video has a German soundtrack but English subtitles are available at YouTube. Working under the car Remove engi ...more

What is Indirect Care? Does it affect the CNA's exam result? Indirect Care entails your behavior in terms of how you communicate with the resident, valuing residents' rights and residents' safety and security. Indirect Care is absolutely important because: (1) it is a graded p ...more

A Self-Protection Guide 1) You can help protect yourself from violent crimes. Self-protection involves:Avoiding crime * Without a doubt prevention is your best prevention against crime.Knowing what to do in case of an attack* An attack can happen despite your best efforts to p ...more

WonderHowTo is made up of niche communities called Worlds. If you've yet to join one (or create your own), get a taste below of what's going on in the community. Check in every Wednesday for a roundup of new activities and projects. Thanks to all of our active moderators and ...more

Welcome back, my future hackers! After my first tutorial about doxing, I decided I would dive a little bit deeper into the world of social engineering. In this tutorial we will learn some basic social engineering techniques to get into a company building, find out more informa ...more

Welcome back, my tenderfoot hackers! In this series, we are exploring the myriad of ways to hack web applications. As you know, web applications are those apps that run the websites of everything from your next door neighbor, to the all-powerful financial institutions that ru ...more

Electronic warfare tactics work by jamming, disrupting, or disabling the technology a target uses to perform a critical function, and IoT devices are especially vulnerable to attacks. Wireless security cameras like the Nest Cam are frequently used to secure critical locations, ...more

In iOS 13, Apple added an important new feature to its HomeKit smart home ecosystem called HomeKit Secure Video. With it, you have a secure, private way to store and access recordings from your smart home IoT cameras. Apple's HomeKit has long been branded as a safe, secure al ...more

Everyone from first responders to hotel cleaning staff use radios operating in the sub-megahertz range to communicate, often without even encoding the transmission. While encoding and encryption are increasingly used in radio communication, an RTL-SDR adapter and smartphone ar ...more

As we aim for a wireless world, technology's reliance on cloud computing services is becoming more apparent every day. As 5G begins rolling out later this year and network communications become even faster and more reliable, so grows our dependency on the services offered in t ...more

Ransomware is software that encrypts a victim's entire hard drive, blocking access to their files unless they pay a ransom to the attacker to get the decryption key. In this tutorial, you'll learn how easy it is to use the USB Rubber Ducky, which is disguised as an ordinary fl ...more

This time it's serious. Really. The largest web security vulnerability of all time went public on Monday, April 7th, 2014, resulting in widespread panic throughout the Internet as system administrators scrambled to secure their websites from the OpenSSL bug known as Heartblee ...more

While iOS 11.3 doesn't have as many new features as iOS 11.2, there's still a lot to love about Apple's latest update for iPad, iPhone, and iPod touch, even if some of the best features we were expecting didn't make the cut. Apple released the iOS 11.3 beta on Jan. 24, and ju ...more

On April 7, 2017, residents in Dallas, Texas, woke to the sound of emergency sirens blaring all over the city. No one could shut them off, and after repeated efforts to contain the situation, the city had to shut down the entire system. While the media reported a sophisticated ...more

Hacking Wi-Fi is a lot easier than most people think, but the ways of doing so are clustered around a few common techniques most hackers use. With a few simple actions, the average user can go a long way toward defending against the five most common methods of Wi-Fi hacking, w ...more

Coinbase is the primary go-to for many users when it comes to investing in Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Ripple (XRP), and more, due to its user-friendly interface. But before you join them, know that the ease of use comes with a price. Coinbase charges fees f ...more

It always looks different when it's not about you. The Internet is our world's Alterego. Those many bits don't really make sense unless we want them to be valuable, to mean something. Our rush to the future is too fast to keep up with. Denying technology is ignorance, isolat ...more

There's an iOS feature that benefits many users, but it's absolutely vital if you wear AirPods or other headphones models connected to your iPhone. A large number of iPhone users don't even know about it, especially since it's disabled by default and hidden deep in the system ...more

On July 3, Apple pushed out iOS 13 developer beta 3 for iPhone, and there's a lot found hidden within. A new FaceTime setting, more Arcade details, full-page scrolling screenshots everywhere, a noise cancellation option in the Control Center, and a new markup tool — and that's ...more