Cybersecurity Fundamentals

Start here if you’re new to cybersecurity. We break down complex concepts into clear, easy-to-understand lessons for beginners.

📌 Topics include:

Cyber hygiene basics

Network security 101

How firewalls & VPNs work

AI IN CYBER

AI in Cybersecurity: 10 Powerful Ways Security Professionals Use AI in 2026

AI in Cybersecurity: 10 Powerful Ways Security Professionals Use AI in 2026 AI Is Changing Cybersecurity Faster Than Ever A few years ago, cybersecurity professionals spent hours digging through logs, researching threats, and writing reports manually. Today, Artificial Intelligence is helping security teams detect threats faster, automate repetitive tasks, and make better decisions. But despite […]

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start cybersecurity in India 2026

Cybersecurity Roadmap for Beginners (2026)

🇮🇳🚀 How to Start Cybersecurity in India in 2026 No Experience Needed — The Simplest Step-by-Step Roadmap to Become a Cybersecurity Professional Back2Skills — The Beginner’s Guide to Learning Cybersecurity and AI From Scratch Feeling Lost in Cybersecurity? You watch YouTube videos. You save dozens of cybersecurity tutorials. You hear about CEH, CompTIA Security+, ethical

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Cybersecurity Basics: Kerberos Attacks Explained (Golden Ticket & Pass-the-Ticket)

📘 Cybersecurity Basics: Kerberos Attacks Explained (Golden Ticket & Pass-the-Ticket) Back2Skills — Understand One of the Most Important Active Directory Attack Concepts 🎯 Why Kerberos Matters in Cybersecurity In Windows enterprise networks, Kerberos is the system that manages authentication. 👉 Every time a user logs in, Kerberos decides: 💡 If attackers compromise Kerberos →they can impersonate users and

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Active Directory post

Cybersecurity Basics: Active Directory Attacks Explained (Beginner Guide)

🧠 Cybersecurity Basics: Active Directory Attacks Explained (Beginner Guide) Back2Skills — Understand How Attackers Compromise Enterprise Networks 🎯 Why Active Directory Matters in Cybersecurity In most companies, everything depends on Active Directory (AD): 👉 If an attacker compromises Active Directory →they can control the entire company network. 💡 That’s why AD is one of the main targets in

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Cybersecurity Basics: Credential Dumping Explained Simply (Beginner → CEH Guide)

🔎 Credential Dumping Explained Simply (Beginner → CEH Guide) Back2Skills — Understanding How Attackers Extract Passwords After Compromise 🎯 Why Credential Dumping Matters After gaining access to a system, attackers ask one question: 🔑 “Where are the passwords?” Credential dumping is a post-exploitation technique used to extract: 👉 It often leads to lateral movement and full domain compromise. This

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Cybersecurity Basics: Pivoting Techniques Explained Simply (Beginner → CEH Guide)

🛠️ Pivoting Techniques Explained Simply (Beginner → CEH Guide) Back2Skills — Understanding How Attackers Reach Hidden Internal Systems 🎯 Why Pivoting Matters During an attack or penetration test, you often compromise: But the real target may be: 👉 Pivoting allows you to use the compromised machine as a bridge to reach internal systems. This is a core

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lateral movement

Cybersecurity Basics: Lateral Movement Explained Simply (Beginner → CEH Guide)

📡 Lateral Movement Explained Simply (Beginner → CEH Guide) Back2Skills — Understanding How Attackers Move Inside a Network 🎯 Why Lateral Movement Matters Getting into one machine is rarely the final goal. In real attacks, intruders: 👉 This internal movement is called Lateral Movement. It is a core post-exploitation concept in: 🧠 The Big Analogy: Moving

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Cybersecurity Basics: Privilege Escalation Explained Simply (Beginner → CEH Guide)

🔐 Privilege Escalation Explained Simply (Beginner → CEH Guide) Back2Skills — Understanding One of the Most Important Post-Exploitation Concepts 🎯 Why Privilege Escalation Matters Getting a reverse shell is not the end. Most initial access gives: To fully control a system, attackers attempt: 🔐 Privilege Escalation 👉 This is a core CEH concept and appears frequently in labs and

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Cybersecurity Basics: Reverse Shells Explained Simply (Beginner → Advanced Guide)

🔓 Reverse Shells Explained Simply (Beginner → Advanced Guide) Back2Skills — Understanding One of the Most Important Concepts in Ethical Hacking 🎯 Why Reverse Shells Matter in Cybersecurity If you study: You will encounter reverse shells. 👉 Reverse shells are fundamental in post-exploitation.👉 They are used in real attacks.👉 Every ethical hacker must understand how they work. 💡 Important: Only practice inside legal lab environments. 🧠 The Big Analogy: Reverse Shell = Victim Calling the Attacker Normal connection: You call a website 📞 Reverse shell: The compromised machine calls you 📲 That’s the key difference. 1️⃣ What Is a Shell? A shell is a command interface. Example: bash It allows you to: In Linux: 👉 A shell = control. 2️⃣ What Is a Reverse Shell? ✅ Simple definition A reverse shell is when: Instead of:Attacker → Victim It becomes:Victim → Attacker 3️⃣ Why Reverse Instead of Direct Shell? Because of firewalls 🔥 Most systems: 👉 Reverse shells bypass firewall restrictions. 🧠 Analogy:Front door locked 🚪But inside employee opens a window 🪟 4️⃣ Basic Reverse Shell Flow Step 1:Attacker opens a listener. Step 2:Victim executes malicious payload. Step 3:Victim connects back to attacker. Step 4:Attacker gains shell. 5️⃣ Basic Reverse Shell Example (Lab Only) ⚠️ Only inside your lab. 📌 Step

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Cybersecurity Basics: Bash for Ethical Hackers (Advanced Guide)

📘 Cybersecurity Basics: Bash for Ethical Hackers (Advanced Guide) Back2Skills — Turning the Linux Terminal Into a Cyber Weapon (Ethically) 🎯 Why Advanced Bash Matters in Ethical Hacking In real penetration testing: 👉 GUI tools are slow.👉 Bash is fast, precise, scriptable. Real-world truth:Most professional ethical hackers live in the terminal. 🧠 The Big Analogy: Bash = Your Cyber Swiss Army Knife Basic Bash = screwdriver 🔧Advanced Bash = full tactical toolkit 🛠️ You don’t just type commands —You combine, filter, automate, and weaponize logic. 1️⃣ Mastering Output Control (The Real Power) In cybersecurity, output is everything. 📌 Redirect output to file nmap -sV 192.168.1.10 > scan.txt 👉 Saves results for later analysis. 📌 Append instead of overwrite nmap -sV 192.168.1.11 >> scan.txt 📌 Suppress errors nmap 192.168.1.0/24 2>/dev/null 👉 Hides noise during large scans. 2️⃣ Pipes: Chaining Commands Like a Pro This is where ethical hackers shine. 📌 Extract open ports from Nmap nmap -p- 192.168.1.10 | grep open 📌 Extract only port numbers nmap -p- 192.168.1.10 |

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