Protect Your Computer From Hackers

If you've ever needed to prove you have remote access to a device, or simply want a way to convince someone their computer is haunted, SSH can be used to make a device begin to show signs of being possessed. Spooky Action at a Distance If you need to prove you've got remote ...more

Welcome back, my tenderfoot hackers! I recently began a new series on digital forensics to help tenderfoot hackers from being detected and ultimately, incarcerated. In this installment of that series, we will look at recovering deleted files. This is important to hackers beca ...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

Welcome back, my newbie hackers! We've already saved the world from nuclear annihilation and covered our tracks afterwards, but the world is still threatened by a malicious, megalomaniacal dictator with missiles and nuclear weapons. We need to keep a close eye on him, so in ...more

Welcome back, my tenderfoot hackers! So many of you responded positively to my post about using the keylogger, as well as my post regarding turning on the webcam, that I decided that you might enjoy another similar hack. In this article, we will enable the audio recording cap ...more

Five Phases of Hacking:- The five phases of Hacking are as follow: Reconnaissance Scanning Gaining Access Maintaining Access Covering Tracks The Five Phases of Hacking Reconnaissance:- This is the primary phase where the Hacker tries to collect as much information as possib ...more

Due to the overnight success of smartphones, millions of people are connecting with others. Currently, over 15 million text messages are sent every minute worldwide. Most of this communication is happening in the open where any hacker can intercept and share in the discussion ...more

Greetings to all geeks, hackers, nerds, and explorers of Null Byte. Welcome to my brand new tutorial, "Using BASH for Computer Forensics". This tutorial will give you a look at how the computer programming language, Bash, can be used to find out details on apple devices for la ...more

When you share a computer with other people, privacy can be a complicated matter. Even if you trust the other users, there are some things that you don't want anyone else having access to. Sure, you can encrypt everything, but what happens when someone needs to use the compute ...more

Welcome back, my greenhorn hackers! In many cases when a computer, phone, or mobile device is seized for evidence, the system will have graphic images that might be used as evidence. Obviously, in some cases these graphic images may be the evidence such as in child pornograph ...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

Using just a small sticky note, we can trigger a chain of events that ultimately results in complete access to someone's entire digital and personal life. Imagine arriving home one night after work and there's a Post-it note on your apartment door with the website "your-name- ...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

If you read my previous post, "How to Hack into a Mac Without the Password", you know that it is very easy to break into someone's Mac if you have physical access to the computer. Now the question that lies is, how do we protect ourselves from this happening to us? Well, here ...more

Many of our online accounts now come with an added two-factor authentication (2FA) functionality to help keep our data safe. This essentially means no one would be able to access the account until a specific set of requirements were met. It could be a combination of a password ...more

With each day that dawns, there is a new, major hack that makes the news headlines. If you are paying attention, there are usually numerous hacks each day and far more that never make the news or are kept private by the victims. Every so often, a hack is so important that I fe ...more

Welcome back, my neophyte hackers! In today's hack, we're going to have a bit of Halloween fun. Have you ever had a boss who made you miserable with his micro-management and nagging? Maybe you thought he unfairly fired your friend/colleague? Well, now here's your chance to ge ...more

Facebook may have shamelessly copied Snapchat and its camera effects for faces (as well as its World Lenses), but it might beat its social media competitor to virtual body augmentation. The AI Camera Team at Facebook has developed a method for detecting body poses and separat ...more

After enabling disk encryption, creating encrypted disk images, installing KeePassX and iTerm2, and using Git with local repositories, the next step to getting your Mac computer ready for hacking is setting up a package manager that can install and update open-source hacking t ...more

Welcome back, my hackers apprentices! To own a network and retrieve the key data, we only need to find ONE weak link in the network. It makes little sense to beat our heads against heavily fortified systems like the file and database server when we can take advantage of the b ...more

After gaining access to a root account, the next order of business is using that power to do something more significant. If the user passwords on the system can be obtained and cracked, an attacker can use them to pivot to other machines if the login is the same across systems ...more

For the uninitiated, it can be difficult to buy that special hacker in your life a perfect holiday gift. That's why we've taken out the guesswork and curated a list of the top 20 most popular items our readers are buying. Whether you're buying a gift for a friend or have been ...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

I see many people posting the same thing on the internet. "How do I become a hacker? Where do I commence?" The definition of 'Hacker' varies from person to person. Personally, I call it someone who relishes fiddling with technology, one who has the mind to manipulate technolo ...more

Welcome back, my rookie hackers! Now that nearly everyone and everyplace has a computer, you can use those remote computers for some good old "cloak and dagger" spying. No longer is spying something that only the CIA, NSA, KGB, and other intelligence agencies can do—you can l ...more

It's no secret that there's a lot of surveillance going on these days. It's easier than ever to end up in a database, and even former government agents are speaking out about the atrocious amount of spying being done against our own citizens. They've targeted our laptops, cars ...more

Welcome back, my neophyte hackers! Have you ever had a neighbor that you're certain is up to no good? Maybe you've seen him moving packages in and out at all hours of the night? Maybe you've seen people go into his home and never come out? He seems like a creep and sometimes ...more

"Unfortunately, no one can be told what the matrix is, you have to see it for yourself." That's the line just before Morpheus gives Thomas Anderson (aka Neo) the red pill, finally opening his eyes to the tapestry of code that has veiled his eyes for his entire life. It's a se ...more

Many people think antivirus apps are useless — why pay a subscription fee when most malware can be avoided with common sense? But the thing is, there were an estimated 3.5 million malicious Android apps discovered last year, with many of them making their way onto the Play Sto ...more

While you may not have loads of secret files hiding on your computer, there might be one or two items that need a little extra security, like a file of website logins or a folder of risqué photos. Mac OS X does have FileVault as a good security option, which uses XTS-AES 128- ...more

The creation of private browsing was brought upon by the backlash against ad tracking and other ways that sites and agencies take away users' privacy online. People were tired of getting spammed with ads for Vitamin C pills simply because they visited WebMD. Private browsing i ...more

Since The Guardian published leaked documents exposing the depth of the NSA's spying powers, many people who've never put much effort into protecting their privacy are finally starting to pay attention. Evidence of public opinion concerning PRISM can be seen from the rise in t ...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

As of 2016, there are approximately 1.85 billion Android smartphones worldwide. This growing popularity has led to an increasing number hacks and cyber attacks against the OS. Unfortunately, Android users need more protection than what is offered by Google. The good thing is t ...more

As long as you're on the internet, you can be hacked. With an estimated 2.65 billion social media users, these apps are prime targets for hackers. While companies like Facebook, Snap, and Twitter do a formidable job against the waves of attacks they receive daily, they are no ...more

While SSH is a powerful tool for controlling a computer remotely, not all applications can be run over the command line. Some apps (like Firefox) and hacking tools (like Airgeddon) require opening multiple X windows to function, which can be accomplished by taking advantage of ...more

Over the years, the internet has become a dangerous place. As its popularity has increased, it has attracted more hackers looking to make a quick buck. However, as our dependency on the web grows, it becomes increasingly difficult to sever all ties. This means we have to prote ...more

In recent years, Hollywood has taken a shine to hackers, with hackers appearing in almost every heist or mystery movie now. This can be both good and bad for our profession. As we know, whichever way Hollywood decides to depict our profession is how most people will perceive i ...more

While we now know that iCloud was not exploited by hackers to steal private celebrity photos, Apple did admit that guessed (aka brute-forced) passwords and/or iCloud security questions were to blame for the breach. All of the celebrity accounts that were compromised were targ ...more

Working from home is already challenging. Add the threat of a cyberattack into the mix, and the situation gets even hairier. Hackers know that we're spending more time online, and the number of pandemic-related schemes is growing. While protecting yourself online is always es ...more

While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. ...more

Windows 10 passwords stored as NTLM hashes can be dumped and exfiltrated to an attacker's system in seconds. The hashes can be very easily brute-forced and cracked to reveal the passwords in plaintext using a combination of tools, including Mimikatz, ProcDump, John the Ripper, ...more

Because of the way Google Play works, Android has a "bad app" problem. Google allows any developer to upload an app to the Play Store, regardless of if it works, how it looks, or whether or not it can harm users. Malware scanning happens primarily after apps are uploaded, and ...more

If thieves, hackers, law enforcement, or other would-be enemies should ever gain entry to your smartphone, they could also access conversations you've had in Signal Private Messenger. To better secure your encrypted communications, you can password-protect the whole app and it ...more

Hello, Hackers/Viewers! My name is nullf0x, and I have 4 years of experience as a hacker. You might see everyday that one of your friends or acquaintances get a new virus in their computer. You might think, How cool would it be if I made a virus? or How cool would I be if i c ...more

The Play Store hasn't been the most secure place for apps lately. A quick Google search for "Play Store malware" will give you a taste of some of the malicious apps that snuck their way onto Android's official app store. Google is aware of the problem and they're tying to fix ...more

Hello my anxious hackers, the week has started and here we begin a new series that I think will help many here and not only, for those that have the opportunity to follow our tutorials but they are not yet part of the community. Don't be a script-kid? what do you mean? In pro ...more

Welcome back, my tenderfoot hackers! A short while ago, I started a new series called "How to Spy on Anyone." The idea behind this series is that computer hacking is increasingly being used in espionage and cyber warfare, as well as by private detectives and law enforcement t ...more

Welcome back, my neophyte hackers! Several of you have written me asking how to crack passwords. The answer, in part, depends upon whether you have physical access to the computer, what operating system you are running, and how strong the passwords are. In this first install ...more

If you use a wireless mouse or keyboard, you could be leaving yourself open to attacks from hackers. Researchers at Bastille had discovered in January 2016 that attackers could make use of a cheap $15 antenna to sneak into your computer through a wireless mouse or keyboard don ...more

SSH, or the secure shell, is a way of controlling a computer remotely from a command-line interface. While the information exchanged in the SSH session is encrypted, it's easy to spy on an SSH session if you have access to the computer that's being logged in to. Using a tool c ...more

If you need to hack an Android device, try a remote administration tool. Known more familiarly as a RAT, there are open-source RATs that are barebones and exorbitantly priced RATs that are more polished. There are also low-cost and polished RATs that aren't intended to be RATs ...more

Welcome back, my novice hackers! Previously in my "Spy on Anyone" series, we used our hacking skills to turn a target's computer system into a bug to record conversations and found and downloaded confidential documents on someone's computer. In this tutorial, I will show you ...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

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

For anyone using open source information to conduct an investigation, a balance between powerful tools and privacy controls are a must. Buscador is a virtual machine packed full of useful OSINT tools and streamlined for online research. This program can easily be set up in Vir ...more

NOTICE: Ciuffy will be answering questions related to my articles on my behalf as I am very busy. Hope You Have Fun !!! Hello Guys, Welcome to my tutorial and in this tutorial, We are basically going to create a python script that serves as a proxy server ( Without External ...more

It's good to password-protect your PC to make sure that your personal files, folders, and important documents are safe and can't be modified without your permission. Though, entering the password all of the time before using your computer might frustrate you. Don't Miss: Cool ...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

Welcome back, my aspiring hackers! In this series, we continue to examine digital forensics, both to develop your skills as a forensic investigator and to avoid the pitfalls of being tracked by a forensic investigator. In earlier posts in this series, we examined registry fi ...more