Password Protect

Locking individual apps on your Android device gives you an added layer of security by safeguarding app data from unwanted attention. I personally prefer using an app locker over a standard lock screen because my kids play with my phone, and they've completely disabled it afte ...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

Who doesn't want to decrease time wasted looking for misplaced car keys or remembering a long-forgotten computer password? Keep your memory in prime shape by regularly eating fruits, vegetables, and proteins that are known for boosting memory and decreasing your risk for Alzh ...more

Gmail uses TLS, or Transport Layer Security, by default for all email communications, so all of your emails will use the standard encryption as long as the recipients also support TLS. But there's a way to add even more security to your Gmail emails, and you can use your iPhon ...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

Nearly every native app on the iPhone received an upgrade or new features in iOS 14 — and Safari is no exception. The web browser now has better password protection, faster performance, privacy reports, and built-in translations, just to name a few. Some of the Safari updates ...more

The only thing better than programming MicroPython is programming MicroPython over Wi-Fi. So once you set up MicroPython on a microcontroller and have it on its own power source, you won't need to use a data cable to connect to it whenever you need to interact with it, program ...more

Using a strong password is critical to the security of your online accounts. However, according to Dashlane, US users hold an average of 130 different accounts. Memorizing strong passwords for that many accounts is impractical. Fortunately, password managers solve the problem. ...more

KeePassX, 1Password, and LastPass are effective against keyloggers, phishing, and database breaches, but passwords managers rely on the operating system's clipboard to securely move credentials from the password vault to the web browser. It's within these few seconds that an a ...more

If you've ever received an email from a sketchy address purporting to be Uber, asking you to sign in with your credentials, you might be a phishing target. Hackers use a fake login page from real-looking domains to trick you into giving up your account information, and while i ...more

When it comes to digital security, one of the best ways to protect yourself is to use two-factor authentication. Most apps these days support it, including Facebook, a site where the more privacy you can muster, the better. However, of the two 2FA options available for Faceboo ...more

If there's one strength of Apple's that iOS and Android fans can agree on, it's the company's dedication to user privacy. With each new iteration of iOS, Apple builds upon these foundations, enhancing and increasing each iPhone's ability to protect its user's data. In iOS 12, ...more

Google, Amazon, and Facebook are always listening. But what's worse? Hackers are listening, too. Windows PCs are particularly vulnerable, but with a few simple commands, a remote attacker can even take over the microphone on someone's Mac computer, streaming audio and listenin ...more

Screenshots taken from a compromised computer can provide hackers with access to private emails, photographs, and information found in sensitive documents. This data can be used by the attackers to build profiles of a target for social engineering attacks and blackmail or even ...more

Baidu Inc, the "Chinese Google" search engine and technology company, which has been actively pursuing self-driving cars, reported that a gang of hackers recently attempted to steal its driverless car technology. The company, based in Beijing, has since beefed up its cybersec ...more

This is the very first article in my series on setting up a Mac for hacking. In this series, I will be operating under the assumption that you have a clean install of macOS (previously OS X). If you aren't starting with a clean installation, there may be a few differences, but ...more

I was on our new #nullbyte IRC channel when someone told me how tedious it is to install an OSX Virtual Machine on Virtual Box (I think it was wawa). We all know Linux rocks (gets acknowledgement from the crowd), but there are morons out there, multiplying at a never before se ...more

Welcome back, my rookie hackers! So many readers come to Null Byte to learn how to hack Wi-Fi networks (this is the most popular hacking area on Null Byte) that I thought I should write a "how-to" on selecting a good Wi-Fi hacking strategy. Many beginners come here looking t ...more

As great as the Internet is, it is not without its dangers. Hackers at any time may be breaking into your online accounts and compromising your sensitive information. Last year, hackers broke into Facebook, Gmail, and Twitter and made off with 2 million stolen passwords. It's ...more

Who wouldn't want to know if someone was trying to log onto their personal computer without their permission? Be it your annoying co-worker or your girlfriend, there are many cases where people may try to gain access to your desktop or laptop. Having a strong password is the ...more

In a previous guide, I demonstrated how to extract images from a security camera over Wi-Fi using Wireshark, provided you know the password. If you don't know the password, you can always get physical with the Hak5 Plunder Bug. Using this small LAN tap, we can intercept traffi ...more

Developers options is one of the first things tinkerers unlock on a new phone. However, even the less tech-savvy users will find some benefits to revealing this hidden menu, as it enables features such as GPS spoofing and faster animations. By default, this menu is hidden awa ...more

Most companies have services like employee login portals, internal-only subdomains, and test servers they would prefer to keep private. Red teams and white hat hackers can find these obscure and often vulnerable services using a tool designed to help protect users from fraudul ...more

Leaked databases get passed around the internet and no one seems to notice. We've become desensitized to the data breaches that occur on a daily basis because it happens so frequently. Join me as I illustrate why reusing passwords across multiple websites is a truly awful prac ...more

The conversation of which operating system is most secure, macOS vs. Windows, is an ongoing debate. Most will say macOS is more secure, but I'd like to weigh in by showing how to backdoor a MacBook in less than two minutes and maintain a persistent shell using tools already bu ...more

Hashes containing login passwords are transmitted between Windows computers on local Wi-Fi networks. By intercepting and decrypting these hashes using Responder and John the Ripper, respectively, we can learn a target's login credentials which can be later used to gain physica ...more

We know Android 9.0 will have the formal designation of Pie, following Google's age-old tradition of naming their OS after items you'd normally find on a dessert menu. And thanks to a slew of new features that centers around your overall security, P could also stand for Privac ...more

As you're surely aware, your phone can be used against you. Thanks to our cameras and microphones, a clever hacker can obtain access to your device and invade your privacy. But spying isn't limited to just these two sensors — gyroscopes, proximity sensors, QR codes, and even a ...more

Between the Cambridge Analytica scandal and the revelation that Facebook logs your calls and text history on Android, many are considering joining the #DeleteFacebook movement. But it can be difficult to leave the site, because so much of its content is only available to activ ...more

Koadic allows hackers to monitor and control exploited Windows systems remotely. The tool facilitates remote access to Windows devices via the Windows Script Host, working with practically every version of Windows. Koadic is capable of sitting entirely in memory to evade detec ...more

There are more than 2 billion Android devices active each month, any of which can be hacked with the use of a remote administration tool, more commonly known as a RAT. AhMyth, one of these powerful tools, can help outsiders monitor a device's location, see SMS messages, take c ...more

In October of 2017, Mathy Vanhoef released "Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2." This paper demonstrates a way to decrypt traffic on practically any WPA2 network, the most commonly used form of wireless security (seeing as all other forms of Wi-Fi encrypti ...more

The peaceful, pastel and doily-filled world of Pinterest is my oasis. My account conveys who I want to be and what I want to accomplish, so the idea of someone hacking it and ruining my favorite escape for me is heartbreaking. Fortunately, Pinterest has updated its security, i ...more

Don't ignore the update sitting in your Settings app; you'd be leaving your iPhone's security vulnerable. Apple released iOS 10.3 yesterday, which, among others things, resolves a security issue in the Safari app. Most importantly, Apple has changed a few things with Safari's ...more

Some things never change. You'd think that with all the focus on web security, people might take the slightest precaution to keep their online activity private. Maybe there are more people suffering from Paula Poundstone's password troubles than we'd like to believe. Don't Mi ...more

In addition to the fingerprint scanner, the Samsung Galaxy S6 has all of the basic lock screen options that other Android phones have: swipe, pattern, PIN, and password. There also just happens to be a secret sixth option called "Direction lock" that protects the device with a ...more

People who know that I am a professional hacker often ask me what they can do to make their computers and personal information safe from people like me. The answer, of course, is that nothing will make you completely safe, but there are a number of measures any computer user c ...more

Welcome back, my neophyte hackers! I have already done a few tutorials on password cracking, including ones for Linux and Windows, WEP and WPA2, and even online passwords using THC Hydra. Now, I thought it might be worthwhile to begin a series on password cracking in general. ...more

Adding to the recent recent slew of bugs and issues within iOS 7, it now seems that emails sent with attachments are not encrypted, despite Apple's claims that they are. According to security researcher Andreas Kurtz, versions of iOS 7, iOS 7.0.4, iOS 7.1, and the current iOS ...more

Apple released iOS 7.0.6 last week, an update to fix a serious security flaw that allowed hackers to not only capture sensitive user information such as bank statements and passwords, but also modify that same data on secure HTTPS sessions. Unfortunately, for Apple developers ...more

Sometimes the best place to hide something is where people least expect it, so in this project, we're making a super secret safe that only you'll know about. You'll need either a single- or double-gang plastic, old-work, electrical box made for existing walls, depending on ho ...more

When programming an Excel-file with links between sheets and assorted macros for whatever is needed you may want the file to behave as a program so that users can not access the ribbon even by double-clicking on the top bar. Protect the code from being accessed by pressing alt ...more

Security is always a top priority for our smartphones. Leaving your phone at the bar or even at a friend's house can leave you open to hacks and lead to the loss of sensitive information. Beyond the lock screen, passwords don't always do enough to protect the information stor ...more

There are many ways you can protect your computer from unwarranted access. For instance, you can use Lockscreen Pro to lock your Windows 8 computer and then have the program snap a photo of the culprit using your webcam. But if you want an even simpler and possibly more effec ...more

Megaupload was one of the very first file-sharing sites I ever used. But since 2005, the beloved (and pretty gangster) Kim Dotcom, has been in a legal battle with the U.S. Justice Department over copyright infringement. Major movie studios and music labels went after Megauplo ...more

The most recent update for Android's Jelly Bean has some pretty cool new features, like better panoramic photos, gesture typing, and wireless sharing. From a security standpoint, though, the best new feature is the ability to add multiple users to one device. You can create up ...more

With the Samsung Galaxy S III being a hot commodity, it's no surprise that your friends might try unlocking your fancy password-protected phone. While some friends have good intentions when using your phone, there are those certain friends who get into the phone to do this... ...more

By default, your Samsung Galaxy S III comes equipped with a few app shortcuts that are available from the lock screen. But what if you don't use those apps very much? Wouldn't you rather customize the lock screen icons on your S3 to your favorite and most used apps? Well, it' ...more

Want to take advantage of your neighbor's super fast Wi-Fi connection? If they're smart, they probably have it password protected (otherwise you wouldn't be reading this, would you?). But if you have an Android phone, you can get back at them for always parking in your spot an ...more

Android has a new security feature that every Android smartphone user needs to start using — even you. It won't change how you use your phone, but it will make life harder for nearby thieves. One of the oldest tricks in the book of smartphone thieves is watching someone withi ...more

There's only one thing keeping hackers, thieves, law enforcement agencies, and maybe even the people you thought you could trust from breaking into your iPhone should they ever get possession of the device. Their odds of bypassing that thing are pretty good, but there's an eas ...more

Apple's iOS 13 for iPhone includes new features in Safari that make browsing the web a little bit better when compared to iOS 12. Some changes are small while others add functionality that just wasn't there before. Plus, there are more security enhancements. While Safari didn ...more

The Windows 10 desktop and microphone can be livestreamed without using Remote Desktop Protocol (RDP) software and without opening any ports on the target computer. A hacker with low user privileges can monitor and exfiltrate a target's every move and private conversation in r ...more

Its official: On May 8, T-Mobile finally released the Android Oreo update for the LG V30 and V30+. Now, every major US wireless carrier has pushed the update. For me, this update is a big deal. Not only does Android Oreo bring some new tools and features, but LG has also inclu ...more

There has been significant debate over law enforcement's right to access our digital devices in recent years. New tools from Grayshift and Cellebrite are popping up faster than ever to help government agencies, as well as traditional hackers, break into iPhones. If you're conc ...more

Identifying vulnerable devices and services on a target router can be difficult without leaving logs and other traces of an active attacker on the network. However, there is a way to covertly decrypt and view Wi-Fi activity without ever connecting to the wireless network. Whe ...more

They're finally here — Samsung has officially revealed the Galaxy S9 and S9+, which run Android Oreo out of the box. Since we've spent plenty of time with the Oreo beta for the Galaxy S8, we already know about some of the best new software features coming to the Galaxy S9. Lik ...more

The internet is constantly under siege by bots searching for vulnerabilities to attack and exploit. While conventional wisdom is to prevent these attacks, there are ways to deliberately lure hackers into a trap in order to spy on them, study their behavior, and capture samples ...more

Millions of travelers pass through airports each day without understanding how powerful and insecure a boarding pass can be. Anyone can scan the boarding pass barcode with a mobile app, allowing access to frequent-flyer accounts and even a passenger's temporary airline account ...more

Now that smartphones have ensured that we're connected to the internet 24/7, online privacy has become more important than ever. With data-mining apps hoping to sell your information for targeted ads, and government agencies only one subpoena away from knowing every detail of ...more