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Welcome finally, to a tutorial on buffer overflows! At last we have reached an exciting part of this series where I will dedicate the entire article on explaining and exploiting the notorious vulnerability. Grab some popcorn, sit back and enjoy the show. What Is a Buffer Over ...more

Hi everyone. I'm relatively new here and I have learned a great deal from many of you already and would like to try and give a little something in return. I haven't seen this site mentioned before and I think it could be of some use. Security Tube is a website that hosts a la ...more

Papercraft guns are the new origami. The new origami for boys, that is. WonderHowto and YouTube are chock full of paper gun tutorials. Many models are simple, but some are impressively realistic, not to mention functional. My personal favorite (unfortunately no tutorial) is t ...more

As the third-largest smartphone manufacturer in the world, Apple devices are a constant target for hackers everywhere. While iOS has seen fewer common vulnerabilities and exploits (CVEs) in recent years, iPhones still aren't hack-proof. Fortunately, you can strengthen your sec ...more

Welcome back, reader! In this tutorial, we will be covering our first program! So let's get to it. We all know the unspoken tradition of the first program when learning a language and of course, here we will respect and complete it. Fire up your favorite text editor (be it vi ...more

We've all seen the login pages that allow you to log in to third-party accounts using your credentials from Facebook, Google, or Twitter. It saves you the trouble of creating another account and remembering more passwords — but it can also become a privacy and security issue, ...more

How is it goin', fellow 1337 haXX0rZ! dtm here with another article, this time, we'll be looking at infecting PE files, executables in particular for this write-up. Obviously some prerequisite knowledge will be needed since this isn't really newbie-friendly. If you are still a ...more

Welcome to an introduction on writing basic malware, an optional sub-series in which I expose you to malware and its technologies. This is written for those who wish to seek a beginning in malware analysis or enlightenment on the subject. We will be justifying the writing and ...more

Samsung's 2016 line of smartphones has a new update, at least for the devices on AT&T. The update brings the Galaxy S7 to version G930AUCS4BQL1 and the Galaxy S7 Edge to version G935AUCS4BQL1. Here's what's on the table. The update features security fixes to improve protectio ...more

While all eyes might be on the next beta release for iOS 13, Apple is still pumping out updates for iOS 12. The company released iOS 12.4.1, the first update since iOS 12.4, on Aug. 26. The latest update includes a patch for the jailbreak vulnerability recently discovered in 1 ...more

Apple released the third beta of iOS 12 for developers on Tuesday, July 3. The update comes exactly two weeks after the release of the second developer beta, which introduced a variety of fixes as well as new issues, and just one week after the release of the public beta. Publ ...more

After three rounds of beta testing, Apple finally released iOS 13.3.1 today, Jan. 28. It's the latest update to iOS 13, coming exactly seven weeks after the release of iOS 13.3. So, what's new? Apple dropped iOS 13.3.1 at 1 p.m. EST (10 a.m. PST) five days after it seeded bet ...more

Apple just released iOS 13.5.1, the latest update for iPhone, on Monday, June 1. The update comes 12 days after iOS 13.5, which introduced COVID-19 exposure notifications, a Group FaceTime update, and Face ID improvements when wearing a mask. Apple released iOS 13.5.1 at 10 a ...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

T-Mobile has just pushed out a new update to the Samsung Galaxy Note 8, bringing the build number to N950USQU2BQLA. Here's what to expect. In addition to the December security update, which patches 10 issues found with Samsung's software, as well as 11 critical problems for A ...more

There's a new macOS vulnerability that hackers within physical reach of your computer can use to gain root access to your system and accounts. Just by using "root" as the username and a blank password on a privilege escalation prompt, someone can install malware on your comput ...more

Yo yo yo, what's goin' on my devilish fiends? Have you come here to learn how to make a keylogger for malicious intent? You sly fox! But in all seriousness, this article will cover quite a simple method for creating the most basic of Windows keyloggers. You're in for a surpris ...more

Hello there, reader! If you've clicked on this How-to then it means you are interested in learning some C programming or just generally curious about what this page has to offer. And so I welcome you warmly to the first of many C tutorials! Introduction First of all, let me ...more

Hey readers! This tutorial will be the entry point for the introduction of buffer overflows. Something like requesting user input is a very common place for vulnerabilities to pop up and we will definitely have fun while trying to make programs crash. But for now, let's start ...more

The end of Daylight Saving Time means two things: a little less light and, as a result, a little less security. This CCTV lamp will give you more of both. And in the nick of time! We fall back to Standard Time at 2 AM on Sunday, November 7th. Better get building! Complete ins ...more

In a letter dated February 16th, Apple CEO Tim Cook responded to the FBI's demand that Apple create a "backdoor" to bypass the encryption on an iPhone used by one of the perpetrators of last year's terrorist attack in San Bernardino, CA. Cook began the letter by stating that A ...more

Hello readers, in this tutorial, we will be discussing how to perform file operations such as reading and writing. Types of File Access There are two methods of accessing files: file descriptors and file streams. We will be learning about file streams because it is a higher ...more

In many programs on Linux, you'll come across programs which allow you to specify additional arguments instead of just simply running the program by itself. If you've used the Kali distribution, I'm more than certain you'll have come across these with the command line tools, e ...more

Apple released an iOS 11.2.2 update on Monday to iPads, iPhones, and iPod touches. The update comes as no surprise since news broke last week of a massive security vulnerabilities, named Meltdown and Spectre, which are found in smartphone chips throughout the industry. This up ...more

Although Facebook has some questionable privacy and security practices, you'll find it still offers you ways to protect the information that's important to you. One of those ways is locking Messenger behind biometric authentication protocols such as Face ID and Touch ID, ensur ...more

In a world increasingly regulated by computers, bugs are like real-life cheat codes. They give you the power to break the rules and do good or bad without ever leaving your seat. And government agencies around the world are discovering and stockpiling unreported bugs as cyberw ...more

BlackBerry's focus on secure software and their new partnership with manufacturer TCL are two of the biggest factors in their recent resurgence. Last year, the company announced two new devices — the KEYone and the BlackBerry Motion. The KEYone has been available for a while, ...more

It's been a while since I wrote up an article for this series but I did say that I'd be covering some WinAPI. So if you're interested in programming for the Windows platform, hop aboard and follow along. Note: This is an extension of the standard C that the previous material ...more

In a time where we're more connected than ever, privacy and security have never been more important. Maybe you're not concerned, but I'm sure there's someone in your life who is, and shopping for them can be daunting. However, with these gifts, you can provide them the tools t ...more

While clicking random links on the internet probably isn't the best idea to begin with, now you can rest easy knowing that your iPhone won't repeatedly dial 911 after tapping a malicious link in Twitter, Facebook, or other apps that use iOS's WebView. The links in question, w ...more

Hello again, and welcome back to another tutorial on functions, this time, covering recursion. What Is Recursion? Recursion is the calling of a function within itself so that it repeats the process, kind of like a loop. Recursive functions are used in situations where a prob ...more

How's it goin'? In this tutorial, we will learn about the security issues of the popen and system functions. I've seen a few people attempting to run command line utilities or whatever it is they require with calls to these two functions but may not know the security implicati ...more

While following a tutorial on python recon tools, I found a new way to access the command prompt on a school network. While there are other ways of bypassing security, it's nice to learn use Python's OS library. Simply use the following code: import os cmd = input("Command: " ...more

Welcome to the final tutorial of the series on standard C. This article will cover the linked list abstract data type (ADT). There will be a lot of abstraction to try to deliver the understanding in the most basic way for easiest interpretation of what they are and how they wo ...more

This is Part II in the Lockdown: The InfoSecurity Guide To Securing Your Computer series. Before beginning, check out Part I. This article will cover using alternate software to increase your security and will provide you with some information about websites and programs that ...more

Snapchat has had more than its fair share of security failures and mishaps. The photo-sharing company is looking to better address some of these security gaps by adding new features, and today its most recent addition is live: the Captcha. New users will be asked to verify the ...more

Is Apple trying to set a record for the highest number of updates within a two-week period? You wouldn't be blamed for thinking so. Just eight days ago, Apple publicly released iOS 13.0 for all compatible iPhones. Then, just five days later, Apple seeded iOS 13.1 with 22 new f ...more

If you're an avid programmer or developer, your time is likely spent creating apps and perhaps the occasional website. And while these go-to coding endeavors are exciting and occasionally lucrative, more and more coding pros are turning to careers in cybersecurity and ethical ...more

Welcome back to another C tutorial, this post covering the first part of control structures, if statements. Let's get right into it. What Is an if Statement? If statements are conditionals which allow the programmer to direct execution flow depending on certain circumstances ...more

Hey guys, in this tutorial, we are going to learn about the heap segment and how to use it for storing data in our programs. We will also go into the details of its use in conjunction with the char pointer and struct data types. The Heap We've already discussed the stack in ...more

Apple released the iOS 11.3.1 update for iPhones on Tuesday, April 24, 26 days after the official release of iOS 11.3 and eight days after the iOS 11.4 beta 2 update. It is the first minor update to iOS 11.3, and the biggest thing in it is a fix that lets displays fixed by thi ...more

With troves of sensitive information, like receipts and password reminders, hiding in your email, your inbox can become a sort of Holy Grail for hackers—or anyone with your password. Although my crazy ex-girlfriend had no hacking experience, using my email login, she was able ...more

Starting with Android 9 and 10, Google made privacy and security the main priorities for Android updates. Both versions brought numerous changes to help erase the notion that Android isn't safe, but Android 11 might even have them beat. In Android 11, Google is building upon ...more

Hello again, reader! In this post, we are going to cover some data types and how to declare variables. It shouldn't be too hard so just sit back, relax, grab some popcorn and enjoy the ride (while you still can!). What Is a Variable? For those who do not know, a variable is ...more

After recently being in the news for collecting PII (personally identifiable information) for analytics and after-sales support, OnePlus has another security problem. An individual going by the name Elliot Alderson discovered an app in OnePlus devices that can enable root acce ...more

With everything the last year has thrown at us, the odds are good that you've had to start working from home, complete with all-new challenges both for you and the technology you use. In 2020, 88% of the organizations worldwide made it mandatory for employees to start working ...more

What's up readers? We have ever so slightly touched upon this concept of scope with variables but still don't really know what it means. In this tutorial we will learn the behaviors of variables existing in our programs and within functions. What Is a Variable Scope? A scope ...more

Your sensitive personal data should be strongly protected, and it's never more vulnerable than when you are online. The internet connection is a prime avenue of exposure, and email is one of the least secure forms of communication. Fortunately, there is an easy solution to bot ...more

Hey there, reader! In this tutorial we are going to explain how values are stored in variables as either signed or unsigned. Try to not get lost! Everything is made up of bits in the computing world, like the atom makes up the basic building blocks of everyday materials such ...more

As many of you know Windows is not the most secure Operating System in the world, but then again no OS is really secure if the user doesn't know how to protect themselves. Later I will show you how to lower the risk even more on your (the user's) end. Well onto the real stuff ...more

What's up, peeps? In this quick tutorial, we will be looking at structs, a special kind of data type. What Is a Struct? A structure, or just struct, is a user-defined data type where we are able to group multiple variables together to form a convenient package. Why would we ...more

Before I continue with a topic on strings, we first require some fundamental understanding of how memory works, i.e. what it is, how data looks in memory, etc. as this is crucial when we are analyzing vulnerabilities and exploitation. I highly suggest that your mind is clear a ...more

Hello there! This will probably be the final tutorial on functions where we will be looking over a method called pass by reference. This technique allows us to modify large amounts of data without the overhead and return multiple values. Let's go! Passing by Value Until now, ...more