Cybersecurity is one of the few niches where simply reading books is not enough. You may know a lot about encryption, firewalls, vulnerabilities, but without applying practical tools, it will not be easy to succeed.
But there is one problem.
Cybersecurity includes hundreds of tools dedicated to specific tasks:
Scanning networks
Packets analysis
Vulnerability scanning
Exploitation
Password cracking
Monitoring, detection, etc.
For beginners, it is hard to cope with them all.
The good news is that you should focus only on a few tools, which will give you 80% of needed skills.
In this guide, we will discuss several categories of cybersecurity tools and provide examples of how to use them.
For each tool, I will describe:
What it does
Why it matters
How to apply it
Example
Skills
1. Network Scanning Tools
Nmap
What is it?
One of the basic and most popular tools, which allows scanning networks and discovering available devices and services.
Questions that you may answer while scanning:
“What is running and accessible?”
Capabilities
- Discover active hosts
- Find out open ports
- Identify available services (HTTP, FTP, SSH, etc.)
- Detecting OS
- Identifying possible vulnerabilities
Why it matters
All cybersecurity procedures start with reconnaissance.
You need to discover what you can work with and what needs to be attacked or protected.
Why it is important? Because you will not be able to hack something if you have no idea about it.
And Nmap is widely used during penetration testing.
Example for beginners
nmap -sV 192.168.1.1Explanation
-sV→ Discovering service versions- Scanning the specific IP address
- Showing open ports and available services
Results
PORT STATE SERVICE VERSION
80/tcp open http Apache 2.4.41
22/tcp open ssh OpenSSH 7.6What you can learn
- Network ports and protocols
- Structure
- Available services
- Service version enumeration
Shodan
What is it?
Search engine that shows connected devices on the internet.
So instead of manually scanning networks, you will be able to analyze available systems on the internet.
Available systems include:
- Cameras
- IoT
- Servers
- Database
- Industrial systems, etc.
Why it is powerful?
You will get to know the main idea:
Not only people, but various systems are available via the internet — and a huge number of them are vulnerable.
Example
First search:
apacheYou will get information about many servers with apache.
Advanced search:
apache country:"US" port:80What you can learn
- Exposure risks
- Misconfiguration
- Internet attack surface
2. Packets Analyzers
Wireshark
What is it?
Tool for capturing and analyzing data packets in real time.
Wireshark is like a microscope for your network.
What it shows
- Data packets
- Used protocols (HTTP, DNS, TCP, UDP)
- Request/response flows
- Malicious activities
Why it matters
Security is inseparably connected with working with data and its flow through systems.
Wireshark will help you to understand:
- What is normal traffic
- What is abnormal traffic
- What could be considered malicious traffic
Example
Start Wireshark → select an appropriate interface → capture traffic → apply filter:
httpResult
You will see only HTTP traffic
Practical example
- Analysis of DNS queries → check which websites were opened by a user
- Identifying unsecured traffic
- Detection of strange activity
What you will learn
- Networking fundamentals
- Working with packets
- Analysis
- Basic threat detection3. Vulnerability Scanners
OpenVAS
What is it?
Automated security assessment tool.
This tool allows detecting existing security flaws in a system, network, and services.
Capable of finding:
- Outdated applications and software
- Missing patches
- Misconfigurations
- Known vulnerabilities (CVE)
Benefits
It takes too much time to perform manual testing and analysis.
That is why OpenVAS provides:
- Automation of scanning process
- Generating of detailed reports
- Proper risk priority
Workflow
- Installation and setup of OpenVAS
- Adding target (IP or domain name)
- Scanning process
- Analyzing the report
Results
- High-risk: outdated Apache version
- Medium risk: poor SSL configuration
What you will learn
- Management of vulnerabilities
- Risk priorities
- Security assessment
Nikto
What is it?
Web server security scanner.
It performs analysis of:
- Dangerous files
- Default configurations
- Outdated server software
- Security issues
Example
nikto -h http://example.comResults
- Server version
- Possible vulnerabilities
- Misconfigurations
What you will learn
- Web server security
- Common web vulnerabilities
4. Penetration Testing Tools
Metasploit Framework
What is it?
Framework, which allows simulating various attacks on systems in order to exploit possible vulnerabilities.
Functions
- Exploiting of vulnerabilities
- Testing of security measures
- Simulating attacks on systems and networks
Why it is important
Understanding of attack processes is crucial.
With this tool, you will be able to simulate any attack on the network and system.
Example
Start the Metasploit Framework → enter the following command:
search vsftpdThen execute it with:
use exploit/unix/ftp/vsftpd_234_backdoorNote
Metasploit should be used only in labs or virtual environment.
What you will learn
- Exploitation techniques
- Attack workflow
- Basic ethical hacking
Burp Suite
What is it?
Web security testing tool.
Main features
- Intercepting HTTP traffic
- Modifying requests
- Response analyzing
- Finding vulnerabilities
Example
Open Burp Suite → intercept HTTP traffic → browse a website
Open captured request → modify its parameters, for example, from
user_id=1to
user_id=2What you will learn
- Logic of working with web application
- Requests/response
- Security testing
5. Password Cracking Tools
John the Ripper
What is it?
Popular tool to crack hashes and passwords.
Available techniques
- Dictionary attacks
- Brute-force
- Hybrid attacks
Example
john password.txtWhat it does
Trying to find and match hashes with some predefined passwords
What you will learn
- Password security
- Hashing
- Password cracking risks
Hashcat
What is it?
Password cracking program that uses GPU processing power.
Why it matters
Allows performing tens of million of tries per second.
Example
hashcat -m 0 -a 0 hash.txt wordlist.txtWhat you will learn
- High-speed cracking
- Hardware-based attacks
6. Security Monitoring Tools (SIEM)
Splunk
What is it?
Log management and monitoring solution.
Functions
- Gathering and analyzing events
- Threat detection
Example
Search:
Failed loginWhy it matters
Most attacks are detected after analyzing logs.
What you will learn
- Event monitoring
- Threat detection
- Incident response
7. OSINT Tools
WHOIS
What is it?
Tool for gathering information about a particular domain
Example
whois example.comResult
- Owner
- Date of registration
- Hosting provider, etc.
What you will learn
- Information gathering
- Reconnaissance
Censys
What is it?
Another internet scanner similar to Shodan.
How to use
Use Censys to scan for exposed devices/systems/services
What you will learn
- Internet-wide visibility
8. Web Security Tools
OWASP ZAP
What is it?
Free web application scanner.
Features
- Automated scanning process
- Identification of vulnerabilities
- Easy-to-use interface
Example
Opening ZAP → entering URL → starting scan → analyzing alerts
What you will learn
- Web vulnerabilities
- Security testing
9. Intrusion Detection Tools
Snort
What is it?
Intrusion Detection System (IDS)
Functions
- Monitoring traffic
- Detecting suspicious patterns
- Informing about threats
Example
snort -A console -i eth0 -c snort.confWhat you will learn
- Threat detection
- Network protection
10. Basic Security Tools
Antivirus Software
What it does
- Detecting malware
- Removing threats
- Protecting systems
Why it matters
It is the first line of defense of your computer.
Password managers
What they do
- Storing passwords safely
- Generating of random strong passwords
Popular tools
- Bitwarden
- LastPass
What you will learn
- Password management best practices
11. Cybersecurity OS
Kali Linux
What is it?
Popular Linux-based distribution for cybersecurity operations.
Includes tools like:
- Nmap
- Wireshark
- Metasploit
- Etc.
Why it is useful
Everything is installed from the beginning.
What you will learn
- Using Linux
- Working with tools
12. Cybersecurity Platforms (CRITICAL!)
Using a single tool is not enough for learning.
Platforms
- TryHackMe
- Hack The Box
- OverTheWire
What they offer
- Hands-on experience with lab
- Solving real cases
- Consistent guided learning experience
Why it is important
Because you need to move from:
KNOWING → DOING
How to Choose the Best Tool for Beginners?
Step 1: Learn fundamentals
Include:
- Networks
- Linux OS
- Fundamental security aspects
Step 2: Choose one tool per category
Example:
- Nmap
- Wireshark
- Metasploit
Step 3: Practice consistently
- Use virtual labs
- Work in secure environments
Common mistakes made by beginners
1. Lack of fundamental knowledge
Knowledge is the foundation for any skill.
2. Tool obsession
Remember — learning tools is useless without understanding of processes behind them.
3. Lack of hands-on practice
Watching tutorials will not make you an expert.
Recommended Learning Pathway
Weeks 1–2
- Learning networking basics
- Working with Nmap
Weeks 3–4
- Learn Wireshark basics and perform network analysis
Month 2
- Study Metasploit and learn more about working with web tools
Month 3
- Participate in CTF competitions and solve challenges
Conclusion
Don’t be obsessed with tools.
The key is understanding processes of how systems work and interacts with each other.
And if you focus on fundamentals, keep practicing regularly, and use tools responsibly, you will learn much faster than someone just reading theoretical material.
Good luck!
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