Open Sentry Safe Without Code

A friend of mine has a crazy amount of Reddit karma and gold, and yesterday he let me in on his secret. This person, who will remain unnamed for obvious reasons, created a Python script called Reddit Karma Crawler that finds rising posts before they get too popular. Every goo ...more

For those of you who've already gotten Beta Preview or Developer Preview access to Mac OS X 10.10 Yosemite, I highly recommend installing it on a separate partition on your hard drive. There have been many reported bugs and even blank gray screens that prevent access to the s ...more

LG's arsenal of screen-off and screen-on tap gestures recently expanded into lock screen territory. Dubbed "Knock Code", this feature allows owners of various LG phones, like the G2 and upcoming G3 to unlock their phone with a series of taps on the screen. The most impressive ...more

Chances are that you've been using your microwave just to nuke leftovers, but they can do so much more than heat up last night's dinner—microwaves can help you peel garlic more quickly, get more juice out of lemons, disinfect your kitchen, dry out herbs, give beauty products n ...more

As a parent, navigating smartphone usage with your children can be a perilous journey as you hand them that new device they've always wanted, or even your older hand-me-down phone or tablet. Smartphones offer a lot of opportunity and convenience, but not without potential ris ...more

Last night, I was reading a riveting National Geographic article on the green-eyed tree frog, until I was quickly interrupted by an annoying popup asking me to "create a free account" or "sign in." Really, I'd like to do neither. I just want to read about tree frogs. This popu ...more

It took many months of cries from all around the internet—and a particularly large groan from an ex-Lifehacker editor-in-chief—but Apple has not only acknowledged the existence of its iMessage problem, it's promising a fix. Update: Apple has finally fixed the issue by creatin ...more

Even though I often end the workday exhausted and just want to wrap rotisserie chicken parts in a store-bought tortilla and shove it in my eating hole, I generally try and take a couple of minutes to warm up said tortillas before I begin my meal. But if you're starving, do you ...more

Welcome back, my hacker noviates! In a recent post, I introduced you to Shodan, the world's most dangerous search engine. Shodan crawls the globe from IP to IP address, attempting to pull the banners of each web-enabled device and server it finds. These banners are what the ...more

Team Win Recovery Project (TWRP) is a custom recovery for Android devices and the one used by most softModders, mainly because it has touch-based actions, as compared to the more time-consuming button-based approach that ClockworkMod (CWM) uses. With TWRP, you can flash new R ...more

Google's new camera, aptly named Google Camera, has been all the rage since it was released onto Google Play last Friday. The main reason is the amazing Lens Blur feature that adds depth-of-field Lytro effects to photos, without the use of any expensive accessories or extra ha ...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

April Fools may be over, but any day is a good day to prank someone, and the best time to do it is when everyone's eyes are glued to the television. Turning off a TV during a climatic moment is the best way to prank a TV-obsessed sibling or friend, but it's even more hilariou ...more

If you lend someone your phone, even if it's just for a second, there's a chance they can enter an app and see something you'd rather they didn't. Whether it's a personal email or a private photo, there are plenty of reasons why you'd want to keep snoops out of certain apps. ...more

LastPass is a password manager that's been around for some time, and has finally made its way over to Android for use with apps, not just websites. Just imagine logging into your banking app without having to input that password every single time. Much more convenient, and as ...more

The term "selfie" is taking the world by storm. Having been around since 2002, the slang word for "self-portrait" went into hyperdrive thanks to the addition of front-facing cameras on mobile devices. It's even popular enough to have been included in the Oxford Dictionary, and ...more

Yesterday, the Free Software Foundation published an article written by Paul Kocialkowski. A software developer for the the Android fork system Replicant, Paul stated that his organization discovered, and later patched, a "backdoor" vulnerability that existed in older Samsung ...more

As softModders, the first thing we do after updating to the newest version of Android is to root, install a custom recovery, and install a superuser app. By doing this you open up your HTC One to a vast quantity of new apps and tweaks you can use to truly make your phone One o ...more

Recently, I offered a guide detailing how to run two separate windows on a Nexus 7 tablets for better multitasking. While extremely useful, that mod was limited to only two windows, and you also needed root access to use it. Today, I'll be highlighting a non-root Android app ...more

Apps that have no business accessing the internet can share your location, device ID, and other personal information with potentially malicious data snatchers. If you're connected to the internet on your Nexus 7 tablet, you're a potential target for cyber threats. For instanc ...more

Normally, you'd have to jailbreak your iPad or iPhone to play any games that aren't available in the iOS App Store, like the now-extinct Flappy Bird game. But this isn't the case if you want to play some of your favorite old school Nintendo classics. There's a web app called ...more

Just because you have a Mac doesn't mean you can't root your Nexus 7 tablet. In fact, rooting Android 4.4 KitKat on both the 2013 and original 2012 N7 models is easy, if not easier than rooting it using a Windows PC. After rooting, you can enjoy many of tomorrow's features to ...more

Sending and receiving files between Android devices has no shortage of options—Bluetooth, email, MMS, and Wi-Fi are just a few of the more popular ones that we use. While the choices for this functionality are plenty, problems can arise with connectivity issues and file size ...more

Currently, all Nexus tablets running Jelly Bean or higher can enjoy multiple user accounts. With tablets often migrating between various people in the same household, there’s no reason for Dad’s finances to mingle with little Tammy’s candy crushing. Multiple users, each with s ...more

Welcome back, my hackers novitiates! As you read my various hacking tutorials, you're probably asking yourself, "What are the chances that this hack will be detected and that I'll land behind bars, disappointing my dear mother who already thinks I'm a loser?" In this tutoria ...more

Fresh off the heels of their latest agreement, Google and Samsung may soon be further aligned in their mobile technology outlook. The two tech giants signed a cross-licensing patent agreement, but that doesn't mean that Samsung was just going to start putting out stock Android ...more

If you've been keeping up with anything Android these days, you've no doubt heard about a little dandy called Xposed Framework kicking around. Xposed, by XDA developer rovo89, is a framework for Android devices that lets you easily modify your stock or custom ROM. Xposed is r ...more

When you think of nail polish, it's probably almost always in the context of a manicure. I mean, that's what it's made for, right? But there are plenty of other things you can use clear or colored nail polish for besides painting your nails. Even if you're a guy living on his ...more

You can easily lock any folder on your Windows computer with a simple Notepad hack. By creating a batch file, you can hide a folder and require a password be entered before it becomes visible and accessible. This is a great tool for locking sensitive information, like pictures ...more

Are you tired of your snoopy coworkers and friends lingering over your shoulder as you type in your security passcode? Unless you have the newer iPhone 5S with Touch ID that scans your fingerprint, you've only got a couple of security options—either a 4-digit numeric passcode ...more

NSA aside, Apple makes it difficult for users to extract and download text messages from their iPhones onto a computer. For whatever reason (legal, devious, neurotic, etc), we've all found a time where we'd like to save backups of certain meaningful, important, or perhaps incr ...more

There are much better things that can go in your iPhone's status bar besides an always-on indicator displaying what carrier you're shelling out money to every month. While it would be nice to get rid of the carrier name altogether at the top of the screen, an even better optio ...more

Update 1: Evad3ers have released a statement to the jailbreak community, claiming that the safety and security of their users is the most important thing to them and that all speculations about malware being encoded into the jailbreak is simply not true. You can read the full ...more

Welcome back, my budding hackers! I've written several listener guides on creating a malicious PDF or malicious Word document that would carry in it a payload with the Meterpreter, or reverse shell enabling you to own the system. One of the hurdles to using these techniques i ...more

If you're marginally inclined towards computers, you've probably been approached at some point by a family member who wants you to "fix" their system during a visit home. With the holidays coming up, these opportunities (or ambushes) are even more likely. Even if nothing is w ...more

Welcome back, my greenhorn hackers! I recently began a series on scripting and have received such positive feedback that I'm going to keep this series going. As I've said before, to graduate from the script kiddie to the pro hacker, you'll need to have some scripting skills. ...more

WhatsApp is one of the most well-known and most utilized cross-platform chat applications available today. It's free for one year, and only $0.99 a year after, which is chump change when you realize there are no hidden costs like international charges. Basically, it creates an ...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

I love cryptography. It is like a great gigantic puzzle for me to solve. However, it is more important than that. It is also how we keep secrets safe. Not just sorta safe either, but really safe. Until recently, if you wanted to use strong encryption you had to either learn d ...more

Hello, all. In this article, I will be showing you how to make one of the most useful products known to man. I am talking, of course, about charcoal. You might be surprised at just how many uses this stuff has. You can use it to purify your drinking water, replace your aquari ...more

Cryptography is the science of keeping secrets, or more specifically, the science of disguising them. As a point of fact, cryptography has progressed quite a bit farther and now encompasses file and message integrity, sender authentication, and pseudo-random number generators. ...more

Why unlock your Samsung Galaxy S3 to use with a different SIM card? One possible reason is that you love your phone, but not your cellular provider because of the poor service or an unreliable connection. If you purchased a Samsung GS3 with AT&T, T-Mobile, etc. on a contract, ...more

For over 20 years, a tiny but mighty tool has been used by hackers for a wide range of activities. Although well known in hacking circles, Netcat is virtually unknown outside. It's so simple, powerful, and useful that many people within the IT community refer to it as the "Swi ...more

Update: The installation process for Xposed Installer is now dead simple—check out our updated guide! Xposed is a framework created by XDA developer rovo89, which allows the end user to customize their stock or custom ROM without having to modify any system applications or fi ...more

If you're a Twitter user, it's a safe bet to assume that you've used a hashtag. On all social networking sites that have the capability, such as Instagram, Facebook, and Google+, the pound (#) symbol is used to mark and designate specific keywords or topics in order to make it ...more

Nine times out of ten, when you pick up your Samsung Galaxy Note 2, you already know what app you're going to be using. If you only have Swipe to unlock enabled, finding that app is as easy as swiping and locating the app on your Home screen or in the app drawer. You can also ...more

David Blaine has made millions off his magic tricks and mind-bending illusions, so why shouldn't we get in on the action, too? Well, your Samsung Galaxy S3 can do all kinds of things, but magic isn't one of them...yet. Thanks to Android developer Badea Bogdan of Binary Buildi ...more

A few weeks ago, Bluebox Security uncovered a bug that could potentially effect 99% of Android devices. Bug 8219321, dubbed the Master Key bug, works by allowing applications with modified code to pass Android's signature verification system, thereby bypassing security measure ...more

Welcome back, my nascent hackers! Earlier, I wrote a guide on finding operating system and application vulnerabilities in Microsoft's own security bulletins/vulnerability database. In this tutorial, I will demonstrate another invaluable resource for finding vulnerabilities an ...more

A spare key is one of those things that never seems like a huge deal until you need it. If you've ever lost your keys, had them stolen, or locked yourself out of your house or car, you know how difficult and embarrassing it can be trying to get your door open. So, how would y ...more

Why can't I see who is stalking my Facebook profile? There are other social networks that do let you see who's viewed your profile, mainly LinkedIn and its "Who's Viewed Your Profile" feature. Regular users can see a recent list of who has been spying on you, along with some ...more

When the HTC One was announced, the fact that its IR transmitter was a side note more than a main feature made me dismiss it. When Samsung included one in the GS4, it became even less impressive. However, now that I actually have a One, I find that the "TV" app is way more tha ...more

Mixing water and electricity is extremely risky and potentially lethal, yet that's exactly what I did with the Scariac. In its simplest form, the Scariac is just a glorified version of two wires in a bucket of water, but it's actually one of the cheapest power controllers you ...more

Hello there, people. Today, I am going to show you how to extract the essence from a useful plant, using either alcohol or olive oil. This is how you take a plant and turn it into a useful (and preservable) medicine. For those of you who know nothing about herbal medicine, let ...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

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

One of the best things I love most about any new gaming console are the apps—I can switch from playing Assassin's Creed III to re-watching the fifth season of Breaking Bad on Netflix without ever getting off the couch. Beat that Atari. The only problem I do have is that somet ...more

While Siri's integration with the iPhone is becoming increasingly substantial, restrictions with the intelligent personal assistant are apparent when it comes to third-party apps like Google Maps, Netflix, and Spotify (unless your iPhone is jailbroken, of course). As an avid S ...more

If you're a Steampunk (or costumer of any variety) and you don't know what Rub 'n Buff is, this tutorial will make your life so much easier. You have no idea. So, what is Rub 'n Buff? Well, it's a product made of wax and very, very fine metal grit. You can rub it on any smoot ...more

Hello again, faithful readers. For today's lesson, we will be learning the correct way to restring and tune an electric guitar. I almost wasn't going to post this because it is so basic. But, as with many basic tasks, there are a lot of people who know how to do it, but can't ...more