Security +

Hello again, readers! In our previous crypter tutorial, we looked at how we could obfuscate our malware (or any program) by using a simple one-byte XOR key. In this quick tutorial, we will be looking at how a simple little tweak can create a better means of obfuscation. Let's ...more

Welcome back to a tutorial on malware. We'll be discovering a method to beef up our little trooper. Without further ado, let's jump right in! Recap In the previous tutorial, we learned how to write a program which opened itself for reading to write to a host file, overwritin ...more

What's up guys! It's time to discuss strings in more detail. Review Just a revision in case you have forgotten about what buffers (arrays) are. A buffer is a container to hold data which are adjacent to each other in memory (we have seen this in the previous tutorial on memo ...more

Who likes security? I like security. I lock my doors at night, and so should you! That's why it's exciting to me that Samsung has just announced its May security update. It's like getting a brand new, top-of-the-line lock for free, but for your phone. Where do I signup? Here ...more

According to Google's new Android ecosystem transparency report, you're eleven times more likely to be infected by malware if you're running Android Lollipop (5.0) as opposed to Android Pie (9). The same report shows that if you sideload apps, you're almost seven times more li ...more

Having all of your stuff in the cloud is super convenient if you want to access it on multiple devices, or if you want a backup in case it gets lost or wiped. The biggest downside with services like Dropbox, though, is security. With everything sitting there in one place, the ...more

Apple just released iOS 14.4.1 for iPhone today, Monday, Mar. 8. The event marks 41 days since Apple released a public update for iPhones, with iOS 14.4 back on Jan. 26. Apple released this update at 10 a.m. PDT, the company's standard release time for iOS updates. According ...more

In the last tutorial, we learned how to make functions and how they work on the high level. This time, we will take a peek under the hood again, stare deep into its soul and see its ugliness face to face to see how it works in the lower level. The Code Segment The code segme ...more

Welcome to a tutorial explaining functions. This article will help clarify some things we have already been exposed to such as function prototypes, function calls, return values, etc. What Is a Function? A function is a type of routine which has its own defined set of proced ...more

In previous tutorials we have encountered these things called pointers and addresses but we still don't know what they really are. Let's learn a bit more to clear things up. What Are Pointers and Addresses? A pointer is a type of variable which as been combined with the dere ...more

Security researcher Nadim Kobeissi has discovered that the Windows 8 SmartScreen feature, meant to screen downloads for malicious software, actually reports the data about which applications users are installing to Microsoft. He also says that "the Microsoft server is configur ...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

Flying under the radar during Magic Leap's big week at the Game Developers Conference, the company settled a potentially ugly lawsuit with a former employee. Earlier this month, we reported that Magic Leap's senior director of global security, Todd Keil, was embroiled in a di ...more

Hello again! In this tutorial, we are going to go over something called "operators" which will help us build upon conditions of control structures and also some variable manipulation. Without further ado, let's dive in! What Is an Operator? Operators are special symbols whic ...more

Welcome to another C tutorial. We will be looking at arrays, discussing what they are, when they are used and their special relationship with the char variable. Let's begin. What Is an Array? Think of an array as a sort of container or like... a buffer. They allow us to be a ...more

Welcome back to another tutorial on functions. Last time, we looked inside memory to see what functions looked like in the flesh and all that Assembly was pretty nasty. At least you have some exposure to it. This time, we will be examining how functions work with the stack. E ...more

Backtrack 5 is a Security Essentials Backtrack is a suite of tools to help with Penetration of any Network, Unix, Linux, or Microsoft Based. Backtrack 5 is good for WEP & WPA hacking and penetration testing. Penetration testing is a must have for any IT Administrator. With t ...more

Welcome back to control structures, part two featuring the three types of loops. Here we go! What Is a Loop? Loops are convenient little things and as their name suggests, they allow us to do the same repetitive tasks with minimum effort (and also because computers are our s ...more

The first Android update of the year is here. On Monday, Jan. 4, 2021, Google started pushing out the January security patch for the Pixel 3 and all newer Pixels, after having ended support for the Pixel 2 last month. The update is available for all major US carriers, includi ...more

Okay guys and gals, this will be a quick tutorial on using the incredibly helpful man pages. What Are Man Pages? Man pages are manuals for tools and functions which are provided for the *nix operating systems. These pages detail the syntax, usage and options for the queried ...more

Although it's always been important to safeguard your data and private information in the digital age, privacy has recently taken on an entirely new meaning. With more and more people working from home and using unsecured networks as a result of the coronavirus outbreak, hack ...more

Before we begin learning about another vulnerability, we are going to explore printf in a bit more detail. This will be quick little tutorial. The Missing Link One conversion specifier I have not told you about is %n. %n is a special little one because it does not do the sam ...more

Apple found itself in serious trouble last week when a teenager discovered a critical FaceTime bug that threatened the security of nearly every iPhone user. The bug enabled a user using Group FaceTime to access either the microphone or the camera of a recipient before they ans ...more

To decipher my password, you need to know my mother's maiden name, where I was born, and what I had for breakfast on August 12th, 1996 (trick question, I was in a food coma). This was a bit simpler... May God have mercy on his soul. Images by bash.org, icebox500

During the recent Augmented World Expo (AWE), we had a chance to try out the Lenovo ThinkReality A6 AR headset. Unfortunately, the experience was all downhill from there. Meanwhile, Vuzix continues to pursue both enterprise and consumer customers with Vuzix Blade, with a new ...more

With all of the hype around the new iPhone 13 series and new iPad and iPad mini unveiled this week, it would be easy to overlook a very critical update for the device you already have in your pocket. Apple just released iOS 14.8 and iPadOS 14.8. While the company is proud of ...more

Hackers are claiming money for a security flaw in Apple's new update. Quick Summary: So, a new security firm called "Zerodium" states that they want to be up to date with the newest vulnerabilities in OS. They have said they are willing to pay seven figures to anyone who can ...more

Ethical hacking is a useful skill that can make you stand out in the field of cybersecurity. Whether you're just entering the field or are already established and are looking to stay current, learning the fundamentals of the white hat is an essential skill for your professiona ...more

Toyota is testing blockchain and distributed ledger technology (BC/DL) for data sharing for driverless cars and other applications. This could eventually reassure buyers of its upcoming high-end cars by making sure their sensitive data is secure. As vehicles modernize, they b ...more

The department of Homeland Security released a list of 'words and phrases' it uses to search social media for terrorism, and whatever else they decide they are looking for that day. Read some of these. A few are obvious "bomb, nuke" and some "target, event" are just down right ...more

Cool world. Check it out and post your ideas to the forum. Photo by atom heart father

Hi fellows! I finally decided to join this forum, which I find very interesting and has some great contributions into the tech and security space, appreciate it! I decided that I wanted to share a some of my thoughts. Me and my study team while studying IT security "develope ...more

The first step to getting your life together? Getting your online security together. After all, security when you're shopping, video calling, and more means more than ever in a digital age when anyone can copy your info or try to pose as you on the web. This Premium Privacy Bu ...more

Fascinating, although admittedly highbrow, discussion on the history of cryptography from the BBC. If you are outside of the UK and don't know how to access BBC content you need to spend a bit more time browsing the Null-Byte forums ;-) http://www.bbc.co.uk/programmes/b06mtms8

Four key Syrian military officials including Defense Minister Gen. Daoud Rajha and President Bashar al-Assad’s brother-in-law Assef Shawkat, who served as his deputy, were killed at a top-level meeting in central Damascus. Syria's top security ministers slain in Damascus bombi ...more

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