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Kali Linux 2026.1 Release (2026 Theme, New Tools & BackTrack Mode)

The Cyber Security Hub™

Offensive Security has announced the release of *Kali Linux 2026.1*, the latest stable version of its Debian-based GNU/Linux distribution designed for pe*******on testing and ethical hacking.

This update comes just over three months after the release of Kali Linux 2025.4.

The ever popular and fan-favourite Kali Linux is specifically designed for pe*******on testing and security auditing. Its compatibility with a wide range of hardware makes it a versatile tool for cybersecurity professionals to assess and strengthen system security.

Renowned for its powerful capabilities, Kali Linux has built a strong reputation in the cybersecurity field and remains a preferred platform for pe*******on testing.

Core Capabilities

• Pe*******on Testing: Identifying vulnerabilities in systems and networks
• Security Auditing: Assessing the security posture of systems and networks
• Digital Forensics: Investigating cyber incidents and collecting evidence
• Reverse Engineering: Analyzing software and hardware

Summary (Changelog Highlights)

Building on from December’s 2025.4 release, here’s a summary of key updates:

• 2026 Theme Refresh Annual visual upgrade
• BackTrack Mode (Kali-Undercover) Celebrating BackTrack’s 20th anniversary
• Kali’s 13th Birthday Event Community-focused initiative
• New Tools Introduction of 8 new programs

Visual Enhancements

Kali Linux 2026.1 introduces a refreshed 2026 visual theme, including:

• New boot splash screen
• Updated bootloader design
• Completely redesigned desktop theme (Xfce edition)
• Improved graphical installer
• Updated login and lock screen interfaces

A modern, powerful, and continuously evolving platform for cybersecurity professionals.

Read more:
https://www.linkedin.com/pulse/kali-linux-20261-release-2026-theme-new-tools-backtrack-u5vbe/

*******onTesting

IT NEXUS Professional Hardware Hacking & Pentesting Toolkit.

At IT NEXUS we believe in spreading awareness and knowledge about cybersecurity through professional learning. here is a look at some of the essential devices used in hardware hacking and pe*******on testing labs. these tools help us understand risks test security and build better defenses.

Devices and Their Role:

Raspberry Pi:
A portable single board computer that runs Linux. It is used for pe*******on testing setups monitoring network traffic and running automated scripts in a compact form.

Arduino / ESP Board:
Microcontrollers designed for IoT projects. In security labs they are used to test firmware simulate IoT devices and study vulnerabilities in embedded systems.

Arduino Uno / Nano / Micro:
These microcontrollers are commonly used in IoT devices. in security they help us test firmware weaknesses simulate hardware backdoors and study endpoint attacks (e.g USB HID injection on Arduino Micro). Learning how attackers abuse them strengthens ioT defense strategies.

Digi Spark ATtiny85:
Small and powerful USB devices often used to simulate keystroke injection and HID based attacks. In labs they demonstrate endpoint security awareness and help in testing defenses.

Network Adapter with Antenna:
A critical tool for wireless security. It allows monitoring of Wi-Fi traffic testing encryption and performing wireless pe*******on testing in a controlled environment.

RFID Reader with Test Cards:
Helpful for studying access control systems. It allows researchers to analyze RFID authentication methods and highlight the need for stronger access security.

HackRF (Software Defined Radio):
One of the most advanced tools for wireless research. HackRF can observe and analyze radio frequencies making it useful for learning about communication protocols and wireless vulnerabilities.

LCD & Portable Analyzer Modules:
These support hardware experiments by displaying data and outputs in real time making it easier to debug and analyze embedded systems.

⚠️ Important Note:
All tools are used only inside controlled labs for ethical purposes. the goal is to educate create awareness and strengthen cybersecurity defenses never to exploit real world systems.

*******onTesting

Start Your Cyber Security Journey:

Cyber security is one of the most exciting and fastest growing careers today. if you’re interested in protecting systems finding vulnerabilities or building a strong IT career here’s a simple roadmap to get started.

1. Get Comfortable with Linux:
Linux is the foundation of most cyber security work.
Try operating systems like Kali Linux, Parrot OS, or Debian.
Learn how to use the terminal write bash scripts, manage files, and control services.
Helpful resources:
(Linux Journey) Eeasy lessons for beginners.
https://labex.io/linuxjourney
OverTheWire (Bandit) fun hands-on practice.
https://overthewire.org/wargames/bandit/

2. Understand Networking:
Networking is the backbone of cyber security.
Learn about IP addresses, TCP/UDP, DNS, HTTP, ports, and protocols.
Practice with tools like Nmap, Wireshark, and Tcpdump.
Resources to help you:
(Practical Networking) clear explanations.
https://www.practicalnetworking.net/
(Cisco Packet Tracer) free tool to build virtual networks.
https://www.netacad.com/cisco-packet-tracer

3. Learn a Programming Language:
Coding will make your life much easier in cyber security.
Start with Python for automation and scripts
Learn Bash for Linux command-line tasks
Explore C/C++ if you want to go deeper into exploit development.
Resources:
(Python Basics) Tryhackme.
https://tryhackme.com/room/pythonbasics
(Exploit Exercises)
https://exploit-exercises.com/

4. Explore Security Basics:
Before hacking, understand the weaknesses.
Learn about SQL Injection, XSS, Buffer Overflows, and Misconfigurations.
Get familiar with the OWASP Top 10 the most common web vulnerabilities.
Resources:
(PortSwigger Web Security Academy) free labs & lessons.
https://portswigger.net/web-security
(OWASP Cheat Sheet Series) quick security guides.
https://cheatsheetseries.owasp.org/

5. Practice, Practice, Practice:
Cyber security is a hands-on skill. The more you practice, the better you get.
Beginner-friendly:
(TryHackMe)
https://tryhackme.com/
(picoCTF)
https://picoctf.org/
Advanced challenges:
(Hack The Box)
https://www.hackthebox.com/
(VulnHub)
https://www.vulnhub.com/

6. Follow a Clear Roadmap:
Stay on track with structured guides:
(Cyber Security Roadmap roadmap.sh)
https://roadmap.sh/cyber-security
(Awesome Hacking Resources 0x0ff)
https://www.0x0ff.info/

7. Keep Learning & Stay Updated:
Cyber security changes every day so keep growing.
Join communities:
WhatsApp: https://whatsapp.com/channel/0029Va8o2XoHFxP13suz7k3A
Facebook:
https://www.facebook.com/share/1F9MBTwr2t/

DeepSeek: The New AI Game-Changer

DeepSeek is a Chinese AI company that has been getting a lot of attention recently. It was founded in 2023 by Liang Wenfeng, and the company developed a language model called DeepSeek-R1. This AI model is causing waves in the tech world because it works just as well as other top models like GPT-4, but at a much lower cost.

DeepSeek-R1 Model: Released in January 2025, DeepSeek-R1 is an impressive AI that performs similarly to top models but was trained for only a fraction of the cost—around $6 million compared to $100 million for GPT-4. Plus, it uses less computing power, making it more efficient.

Open-Source Approach: One of the coolest things about DeepSeek is that it made its AI models and code open-source, which means anyone can use, modify, and learn from it. This makes advanced AI technology more accessible to people everywhere.

Market Impact: DeepSeek-R1 has had a big effect on the tech market. By January 2025, the DeepSeek-R1 chatbot became the most downloaded free app on the iOS App Store in the U.S., even surpassing ChatGPT. This caused a drop in Nvidia's stock price, showing just how much DeepSeek is shaking things up.

What This Means for the Future:

DeepSeek is showing that it's possible to create powerful AI without needing huge data centers or expensive hardware. This could lead to more energy-efficient AI systems and challenge how AI is typically developed.

It’s also pushing other big tech companies to innovate and lower their prices to stay competitive. In the long run, this could make AI technologies more accessible to more people and businesses.

In short, DeepSeek is making waves by proving that great AI can be built in a cheaper, more energy-efficient way, and it’s forcing the big players in the tech world to rethink their strategies.

🔒 Top 50 Cybersecurity YouTube Channels 🔒

Explore cybersecurity with the top YouTube channels for learning ethical hacking, pe*******on testing, network security, and digital forensics! Perfect for beginners and experts, these channels offer hands-on tutorials, CTF challenges, and insights to grow your skills.

Beginner to Intermediate Focus

1 NetworkChuck
2 The Cyber Mentor
3 John Hammond
4 HackerSploit
5 David Bombal
6 LiveOverflow
7 SecurityFWD (by Null Byte)
8 Professor Messer
9 IppSec
10 Hackersploit
11 Cybersecurity Meg
12 SavvyNik
13 Infosec Prep
14 ZSecurity
15 Hak5
16 CyberSec Labs
17 Tech Raj
18 Droidbug
19 Gynvael Coldwind
20 STÖK
21 DarkSec
22 Humans Not Invited
23 Grant Collins
24 HackerOne
25 RedTeam Village

Intermediate to Advanced Focus

26 MalwareTech
27 Reconless
28 NahamSec
29 The XSS Rat
30 Chris Titus Tech
31 DC CyberSec
32 CyberInsecurity
33 Hack This Site
34 Tony Teaches Tech
35 Ali Hadi
36 The Many Hats Club
37 Hussein Nasser (GIS)
38 OpenSecurityTraining2
39 Stokfredrik
40 Alexis Ahmed
41 SecTara
42 Cyber Mentoring Monday
43 Hacksplained
44 Computerphile
45 Sunny Classroom
46 The Blind Hacker
47 cyber_warrior
48 Phreak Show
49 The Digital Forensics Channel
50 KitPloit

Looking to learn from real-world ethical hacking reports? These top GitHub repositories provide a collection of detailed HackerOne reports, showcasing how vulnerabilities like SQL injections, XSS, and others were discovered and fixed. Perfect for cybersecurity enthusiasts wanting to dive deep into bug bounty cases and sharpen their skills! Check out these resources and stay ahead in the cybersecurity۔

https://github.com/reddelexc/hackerone-reports

https://github.com/Ravirajrao/HackerOne-Reports
https://github.com/KingOfBugbounty/KingOfBugBountyTips

OSCP Exam Guide.
https://help.offsec.com/hc/en-us/articles/360040165632-OSCP-Exam-Guide

✅ Certified Ethical Hacker Exam Questions

125 questions with answers:

Cryptography
Footprinting
Malware
Sniffers
SQL Injection
Hacking Wi-Fi & Bluetooth
Social Engineering
Session Hijacking
Physical Security

and more.

https://github.com/ryh04x/CEH-Exa-Questions

OSED Notes ( Offensive Security Exploit Developer )
https://zeyadazima.com/notes/osednotes/

✅️List of Bug Bounty Repositories💯

dnscan
https://github.com/rbsec/dnscan

Knockpy
https://github.com/guelfoweb/knock

Sublist3r https://github.com/aboul3la/Sublist3r

massdns https://github.com/blechschmidt/massdns

nmap
https://nmap.org

masscan https://github.com/robertdavidgraham/masscan

EyeWitness https://github.com/ChrisTruncer/EyeWitness

DirBuster https://sourceforge.net/projects/dirbuster/

dirsearch https://github.com/maurosoria/dirsearch

Gitrob
https://github.com/michenriksen/gitrob

git-secrets https://github.com/awslabs/git-secrets

sandcastle https://github.com/yasinS/sandcastle

bucket_finder https://digi.ninja/projects/bucket_finder.php

GoogD0rker https://github.com/ZephrFish/GoogD0rker/

Wayback Machine
https://web.archive.org

waybackurls https://gist.github.com/mhmdiaa/adf6bff70142e5091792841d4b372050

Sn1per
https://github.com/1N3/Sn1per/

XRay
https://github.com/evilsocket/xray

wfuzz
https://github.com/xmendez/wfuzz/

patator
https://github.com/lanjelot/patator

datasploit https://github.com/DataSploit/datasploit

hydra https://github.com/vanhauser-thc/thc-hydra

changeme https://github.com/ztgrace/changeme

MobSF https://github.com/MobSF/Mobile-Security-Framework-MobSF/

Apktool https://github.com/iBotPeaches/Apktool

dex2jar https://sourceforge.net/projects/dex2jar/

sqlmap
http://sqlmap.org/

oxml_xxe https://github.com/BuffaloWill/oxml_xxe/

XXE Injector https://github.com/enjoiz/XXEinjector

The JSON Web Token Toolkit https://github.com/ticarpi/jwt_tool

ground-control https://github.com/jobertabma/ground-control

ssrfDetector https://github.com/JacobReynolds/ssrfDetector

LFISuit https://github.com/D35m0nd142/LFISuite

GitTools https://github.com/internetwache/GitTools

dvcs-ripper https://github.com/kost/dvcs-ripper

tko-subs https://github.com/anshumanbh/tko-subs

HostileSubBruteforcer https://github.com/nahamsec/HostileSubBruteforcer

Race the Web https://github.com/insp3ctre/race-the-web

ysoserial https://github.com/GoSecure/ysoserial

PHPGGC https://github.com/ambionics/phpggc

CORStest https://github.com/RUB-NDS/CORStest

retire-js
https://github.com/RetireJS/retire.js

getsploit https://github.com/vulnersCom/getsploit

Findsploit
https://github.com/1N3/Findsploit

bfac
https://github.com/mazen160/bfac

WPScan
https://wpscan.org/

CMSMap https://github.com/Dionach/CMSmap

Amass
https://github.com/OWASP/Amass