Hack Network Security

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

With an ordinary birthday card, we can introduce a physical device which contains malicious files into someone's home and deceive them into inserting the device into a computer. In my last series, we used a Post-it note to trick a neighbor into visiting a website that we cont ...more

Microsoft.com is one of the most extensive domains on the internet with thousands of registered subdomains. Windows 10 will ping these subdomains hundreds of times an hour, making it challenging to firewall and monitor all of the requests made by the operating system. An attac ...more

Barrow's article on Pupy made me wish for a RAT that could target an OS frequently used by gatekeepers at startups, tech companies, and creative firms: macOS. Once run, a RAT can do severe damage by dumping a user's stored credentials for many accounts. The best loot lives in ...more

JavaScript is one of the most common languages used on the web. It can automate and animate website components, manage website content, and carry out many other useful functions from within a webpage. The scripting language also has many functions which can be used for malicio ...more

This is a two-part series to locking down the computer to provide maximum protection. Even though this guide will sound intrusive, we are talking about reality here. Extreme measures must be taken to protect our computers, especially when we have confidential documentation or ...more

Wireless networks. Nowadays, everyone uses 'em, but most don't secure 'em. On average, I can drive up and down any block in my city and find at least one or two open or semi-open networks on any given day. With some changed MAC addresses for good measure, an attacker can use y ...more

In general, hacking and information security is not just one discipline, but a number of them, and today we will look into some of the networking concepts. In the last Hacker Fundamentals, we talked about the OSI model as well as a little on TCP/IP and the protocols that make ...more

Introduction The 3 major anonymity networks on the Internet are Tor/Onionland, I2P and Freenet. If you feel confused on which one is the "best" one to use the answer is simple. Use all three! Each anonymity network is designed for a different specific purpose. One network al ...more

If you're a frequenter of Null Byte, I bet you have at least some interest in information security. Furthermore, you have a hobby that if applied in certain ways, will get you arrested. I've received quite a few messages from the community here about federal cybercrime law and ...more

An internet connection has become a basic necessity in our modern lives. Wireless hotspots (commonly known as Wi-Fi) can be found everywhere! If you have a PC with a wireless network card, then you must have seen many networks around you. Sadly, most of these networks are sec ...more

For years, you could only make purchases with your Apple Cash balance on your iPhone using Apple Pay, but a new update gives you the power to set up a virtual card number you can use just like a debit or credit card. Using a virtual card number for your Apple Cash account is ...more

MacOS isn't known as an ideal operating system for hacking without customization, but it includes native tools that allow easy control of the Wi-Fi radio for packet sniffing. Changing channels, scanning for access points, and even capturing packets all can be done from the com ...more

ARP spoofing is an attack against an Ethernet or Wi-Fi network to get between the router and the target user. In an ARP-spoofing attack, messages meant for the target are sent to the attacker instead, allowing the attacker to spy on, deny service to, or man-in-the-middle a tar ...more

So you want to know what that person who is always on their phone is up to? If you're on the same Wi-Fi network, it's as simple as opening Wireshark and configuring a few settings. We'll use the tool to decrypt WPA2 network traffic so we can spy on which applications a phone i ...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

Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of sk ...more

It is well documented that what you say and do online is tracked. Yes, private organizations do their best to protect your data from hackers, but those protections don't extend to themselves, advertisers, and law enforcement. Whether you are a journalist, a protestor, or a hi ...more

Getting files from an Android device to a Mac or iOS device is not always easy or convenient, and the same goes for transferring content from a Mac or iOS device to an Android device. But we're here to tell you there is a better way than using USB cables, email, and cloud stor ...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

You're out and about, and nothing on your iPhone will load. A glance at the settings shows a saved Wi-Fi network with full bars that your iPhone had connected to automatically, but you're not getting any internet. If you've experienced this, you're not alone, and there's somet ...more

It's common for IoT devices like Wi-Fi security cameras to host a website for controlling or configuring the camera that uses HTTP instead of the more secure HTTPS. This means anyone with the network password can see traffic to and from the camera, allowing a hacker to interce ...more

Many popular IoT devices have terrible security. For instance, a hacker who's on the same Wi-Fi network as a Sonos speaker can assume direct control over the device's behavior. If an IoT device doesn't secure the messages used to control it over a network, it's easy for somebo ...more

Due to weaknesses in the way Wi-Fi works, it's extremely easy to disrupt most Wi-Fi networks using tools that forge deauthentication packets. The ease with which these common tools can jam networks is only matched by how simple they are to detect for anyone listening for them. ...more

Kali Linux is established as the go-to operating system for penetration testing, but in its default configuration, it's less than ideal for regular desktop use. While in many scenarios, a live boot or virtual environment can resolve these issues, in some situations, a full ins ...more

If you're using a mobile device, it's a pretty safe bet that your apps are sending lots of information back and forth from their servers. To make sure there is no inappropriate data collection going on, it's worth setting up a web proxy to spy on this traffic, so you know exac ...more

Computers all over the world rely on a program called "libssh" to use the SSH communications protocol, which allows trusted users to log in and administer computers remotely. Due to a flaw in libssh, fooling a computer into granting SSH access is as easy as telling it you alre ...more

Wi-Fi devices are continually emitting "probe frames," calling out for nearby Wi-Fi networks to connect to. Beyond being a privacy risk, probe frames can also be used to track or take over the data connection of nearby devices. We'll explain how to see nearby devices emitting ...more

With the Wigle WiFi app running on an Android phone, a hacker can discover and map any nearby network, including those created by printers and other insecure devices. The default tools to analyze the resulting data can fall short of what a hacker needs, but by importing wardri ...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

The easiest way around a security policy is to find users who don't follow it. The Have I Been Pwned database identifies accounts with information breached by major third parties like Yahoo and LinkedIn. With Maltego, hackers can locate breached accounts created using company ...more

You may not know it, but the IPv4 address of your computer contains tons of useful information about whatever Wi-Fi network you're on. By knowing what your IPv4 address and subnet mask are telling you, you can easily scan the whole network range, locate the router, and discove ...more

Kali Linux is the obvious first choice of an operating system for most new hackers, coming bundled with a curated collection of tools organized into easy-to-navigate menus and a live boot option that is very newbie-friendly. But Kali isn't the only distribution targeted at pen ...more

Anonymity is something that doesn't exist today. Everything you do in the world is tracked, from the purchases you make to surfing the internet—even taking pictures on your iPhone. Everything you have ever said and done on the internet is still there—somewhere. This is called ...more

Smartphones and laptops are constantly sending Wi-Fi radio signals, and many of these signals can be used to track us. In this guide, we'll program a cheap IoT device in Arduino to create hundreds of fake networks with common names; This will cause nearby devices to reveal the ...more

There are nearly 100,000 unique onion service addresses online with over two million people using Tor every single day. Join me as I explore a small fraction of what the Tor network has to offer. It's puzzling to imagine about 100,000 .onion websites in existence. Readers who ...more

The Pi-hole project is a popular DNS-level ad blocker, but it can be much more than that. Its DNS-level filtering can also be used as a firewall of sorts to prevent malicious websites from resolving, as well as to keep privacy-killing trackers such as Google Analytics from eve ...more

It always looks different when it's not about you. The Internet is our world's Alterego. Those many bits don't really make sense unless we want them to be valuable, to mean something. Our rush to the future is too fast to keep up with. Denying technology is ignorance, isolat ...more

In the tech world, our data is always under attack. When you download and install a new app, it can be difficult to know what information the app is actually accessing. Thankfully, a new emphasis on privacy in iOS 14 changes the game, exposing more of what your apps want acces ...more

Penetration testing, or pentesting, is the process of probing a network or system by simulating an attack, which is used to find vulnerabilities that could be exploited by a malicious actor. The main goal of a pentest is to identify security holes and weaknesses so that the or ...more

If it has an internet connection, it's got a huge attack surface for hackers. But what makes your phone even more dangerous is its portability and the collection of sensors it houses that can be just as good at tracking you as the camera and mic. That is why one of the first ...more

There are hidden Wi-Fi networks all around you — networks that will never show up in the list of available unlocked and password-protected hotspots that your phone or computer can see — but are they more secure than regular networks that broadcast their name to any nearby devi ...more

Apple's iOS 13 has been available for beta testing since June, and the stable release pushed out to everyone on Thursday, Sept. 19. To help you make the most out of iOS 13 for iPhone, we've rounded up everything you'll want to know, whether a colossal feature, small settings c ...more

Have you ever been locked out of your iPhone? Maybe you forgot your passcode. Or perhaps someone with access changed the passcode as a prank. Your iPhone's display could have even been damaged and unresponsive. Whatever the reason, there's an easy way to get back access to you ...more

Android 11 is here. Prior to Google dropping the naming scheme, this would have been a dessert with an R name (maybe Rice Krispies Treat or Red Velvet Cake) — but nope, just plain ol' Android 11. And after months of betas and a global pandemic, it finally debuted a little over ...more

After nearly two months of beta testing, Apple is finally pushing the iOS 15.6 software update to all iPhone users. While it's not as feature-rich as the iOS 15.5 or iOS 15.4 that came before it, there are still a few things you'll want to know about it. The iOS 15.6 update w ...more

Does your network begin to crawl right around the time your sinister-looking next-door neighbors get home from work? Do you harbor suspicions that one or more of them may be stealing your Wi-Fi? It's easy to find out. And equally easy to give freeloaders the boot. In the guide ...more

Facebook is at it again. First they invaded your privacy with Instant Personalization, now they plan to take it a step further with their controversial plans to share users' home addresses and mobile phone numbers with third-party developers and websites. Due to user feedback ...more

Thanks to online music services like eMusic and iTunes, compact discs are becoming a far distant memory, turning local music shops around the country into desolate wastelands. The once mighty movie rental store Blockbuster is now bankrupt because of online streaming services l ...more

Social Profile Change the privacy settings on your social profile (Facebook, MySpace, Friendster, Twitter, etc.) so that the following information can't be found by a random person who you didn't accept you as a friend: Birthdate E-mail address Hometown Pictures A hacker ca ...more