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Getting Started in Cybersecurity

Cybersecurity is a broad field with plenty of entry points for those eager to learn. Below, we’ve gathered essential resources to help you kickstart your journey, whether you’re new to the subject or looking to enhance your skills. The resources span from free courses to regulatory guidelines, tools, and certifications that will give you hands-on experience and knowledge.

1. Free Learning Resources and Guides

Below are some of the best free learning platforms and guides available to anyone interested in cybersecurity:

  • Cybrary: Offers free courses on various topics like ethical hacking, network security, penetration testing, and more. The courses are suitable for beginners and advanced learners.
  • edX Cybersecurity Courses: Partnering with top universities, edX offers free cybersecurity courses covering topics such as cryptography, cloud security, and digital forensics.
  • Udemy Free Cybersecurity Courses: Explore a range of free cybersecurity courses focusing on ethical hacking, cybersecurity fundamentals, and malware analysis. Many free beginner-friendly courses to get you started.
  • OpenLearn - Introduction to Cybersecurity: A free, comprehensive course from the Open University covering cybersecurity basics, including network security and cyber threats.
  • Coursera Cybersecurity Courses: Offers free audited courses in cybersecurity and network security from top universities like Stanford and the University of Maryland.
  • SANS Introduction to Cyber Security: A free, self-paced course designed to provide an introduction to cybersecurity fundamentals and best practices.

2. Regulatory Information

Understanding the many regulatory standards is essential for cybersecurity professionals, as these rules guide how security practices should be implemented. Here are some key resources to get acquainted with regulations:

  • NIST Cybersecurity Framework: Provides a policy framework for private-sector organizations to assess and improve their ability to prevent, detect, and respond to cyberattacks.
  • General Data Protection Regulation (GDPR): A crucial law that provides guidelines on data protection and privacy for individuals within the European Union and affects organizations worldwide.
  • HIPAA Compliance: Health Insurance Portability and Accountability Act (HIPAA) provides standards to protect sensitive patient data and is crucial for healthcare organizations.
  • FIPS 199: Federal Information Processing Standards (FIPS) 199 offers standards for categorizing information and information systems based on the objectives of confidentiality, integrity, and availability.
  • NIST SP 800-53: Security and privacy controls for federal information systems and organizations, widely referenced across various industries.
  • ISO/IEC 27001: A standard that provides a systematic approach to managing sensitive company information, including people, processes, and IT systems.

3. Hands-on Practice Platforms

To truly master cybersecurity skills, practical experience is essential. These platforms provide hands-on labs, challenges, and real-world simulations to practice your knowledge:

  • Hack The Box: A platform offering challenges for penetration testing and cybersecurity, designed for professionals looking to hone their skills in real-world scenarios.
  • VulnHub: A platform providing "boot-to-root" machines, offering virtual environments where users can practice vulnerability discovery and exploitation.
  • TryHackMe: A gamified platform that provides an accessible way to learn cybersecurity by offering guided labs and challenges for both beginners and experienced professionals.
  • RangeForce: An interactive platform that offers cybersecurity exercises in a simulated environment, focusing on team-based defense strategies and incident response.

4. Certifications

Cybersecurity certifications are essential for professionals to validate their knowledge and skills. Below are some of the top certification organizations and their key certificates:

Cybersecurity Tools and Resources

Cybersecurity professionals rely on and use a wide variety of tools to protect networks, identify vulnerabilities, and respond to threats. Below, we've created a list of some of the most essential tools. Many of these tools are free and open-source, providing robust capabilities for cybersecurity professionals and enthusiasts alike.

1. Virtualization & VM Creation

Virtualization is a critical aspect of cybersecurity, allowing professionals to create isolated environments to test malware, perform penetration testing, or set up secure development environments. Below are some of the top platforms:

  • VirtualBox: A free, open-source virtualization tool that enables the creation of virtual machines (VMs) on your computer. It supports various operating systems, including Linux, Windows, and macOS.
  • VMware Workstation Player: A free tool for running VMs on a desktop, offering advanced networking and storage capabilities for professionals.
  • Hyper-V: A built-in feature of Windows 10 Pro and Windows Server, Hyper-V provides hardware virtualization, allowing you to create and manage VMs on Windows.
  • Xen Project: An open-source virtualization platform that allows users to create and manage secure, high-performance VMs. Commonly used in server environments.

2. Online Vulnerability Scanning

Vulnerability scanning tools help identify weaknesses in systems, networks, or applications that could be exploited by attackers. These tools are crucial in both defensive and offensive cybersecurity strategies:

  • Nessus by Tenable: One of the most popular vulnerability scanners, Nessus provides a comprehensive security assessment, scanning for vulnerabilities such as misconfigurations, default passwords, and malware.
  • OpenVAS: An open-source vulnerability scanner that identifies security issues in networks and applications, providing a robust, community-supported solution.
  • Qualys Community Edition: Provides free vulnerability scanning and patch management tools. It's especially useful for small to medium-sized organizations looking for a cloud-based solution.
  • Pentest-Tools.com: Offers a suite of penetration testing and vulnerability scanning tools, covering web applications, networks, and external IP addresses. It also includes reconnaissance tools like subdomain finders and SSL checkers.

3. Scripting & Programming

Scripting and programming are essential skills in cybersecurity, allowing professionals to automate tasks, develop tools, and exploit vulnerabilities. Below are platforms that provide free resources for learning key languages like Python, Bash, and more:

  • LearnPython.org: A free interactive platform for learning Python, one of the most widely used languages in cybersecurity for automation, scripting, and tool development.
  • Codecademy - Bash Scripting: Provides free tutorials for learning Bash scripting, a powerful tool for automating tasks in Unix/Linux environments, crucial for penetration testers and system administrators.
  • GitHub: The largest open-source platform for sharing code, GitHub is a key resource for cybersecurity professionals to find tools, share scripts, and collaborate on projects.
  • HackTricks: A comprehensive guide that includes a variety of techniques, from living off the land binaries (LOLBins) to advanced techniques for cybersecurity and penetration testing.

4. Cyber Threat Intelligence (CTI)

Cyber threat intelligence platforms help track, analyze, and defend against cyber threats. Below are some top resources for gathering threat intelligence, both for proactive defense and response to incidents:

  • VirusTotal: A free service that analyzes files and URLs for malware, leveraging over 70 antivirus scanners and URL/domain blacklisting services to detect malicious content.
  • MITRE ATT&CK: A globally accessible knowledge base of adversary tactics and techniques based on real-world observations, used to develop effective threat models and methodologies.
  • Shodan: Often referred to as the “search engine for hackers,” Shodan lets users search for vulnerable devices connected to the internet, providing insights into the security posture of IoT and other connected systems.
  • Check Point Threat Map: A real-time threat map that visualizes cyberattacks happening around the world, giving users insights into the global cyber threat landscape.
  • Malware Domain List: A free resource that tracks domains involved in distributing malware, often used by security researchers to identify and block malicious URLs.

Penetration Testing Tools

Below are some of the most popular tools used in pentration testing and ethical hacking. Select each one to learn more:

Wireshark

Wireshark is a powerful network protocol analyzer used to capture and inspect packets in real-time. It is used to analyze packets at a very granular level which enables penetration testers to pick up on issues such as poor encryption, unencrypted data, and even signs of malicious activity associated with man-in-the middle (MITM) attacks.
Wireshark Download||Wireshark Guide

Nmap

Nmap is an incredibly dynamic tools that is entirely free and open-source. It is a utility used for network discovery and security audits. Nmap can identify live hosts, open ports, services, operating systems, and firewall configuration. The tools itself supports a vast number of scanning techniques such as TCP connect scans, SYN scans, UDP scans. There is an emmense built in library tailored to idenitying critical vulnerabilities and more.
Nmap Download||Nmap Guide

Burp Suite

Burp Suite is a web application security testing tool used to find vulnerabilities and includes powerful tooling for intercepting traffic, scanning for vulnerabilities, and exploiting security flaws in web apps. Key features boasted by this tool include automated vuln scnning, a proxy for traffic intercept and modification, and manual tesing tools (such as intruder and repeater).
Community Edition Download||Burp suite Documents

Metasploit

Metasploit is an incredibly comprehensive exploitation tools for launching and managing attacks. It is considered the most widely used tool for developing, testing, and executing exploits against target systems. It enables security professionals to uncover vulnerabilities and execute attacks like buffer overflow, SQL injection, and code execution. It has a vast built in library with pre-built exploitations, payloads, and aux modules simplifying the process of exploitating systems and verifying security flaws.
Metasploit Download||Metasploit Documents

OWASP ZAP

OWASP ZAP is a proxy used for finding vulnerabilities in web applications and is completely open-source. It is used for automated vulnerability scanning of web applications with it's primary power resting in the proxy capabilities that allow for security testers to intercept, manipulate, and inspect traffic between browsers and the appication being tested.
OWASP Download||Getting Started Guide

John the Ripper

John the Ripper is a widely used password cracking tool for Unix-based systems. It is open-source and can be leveraged to test the strength of passwords by running various attack types such as dictionary attacks, brute force, and rainbow table attacks. It is incredibly customizable which allows users to optimize attacks based on specific rules or even masking attacks to crack hashed passwords.
John the Ripper Download||John the Ripper Guide

Aircrack-ng

Aircrack-ng is a combination of tools designed to assess the security of Wi-Fi networks. It includes functionality to capture Wi-Fi traffic, crack WEP and WPA-PSK keys, and performing deauthenticaiton attacks. It is used in testing the overall security of wireless networks and root out weak encryption configurations.
Aircrack-ng Download||Aircrack-ng Guide

Nikto 2.5

Nikto is a web server scanning tool that tests for thousands of vulnerabilities including outdated software, poor configuration, insecure files, and default scripts. It can be used to identify web application flaws such as SQL injection, cross-site scripting (XSS), and HTTP header issues. Detailed outputs provide security testers with potential security risks to address.
Nikto Github Repo

THC-Hydra

Hydra is a tool used for brute-forcing login credentials over a wide range of protocols. It is a parallelized password-cracking tools that supports several protocols such as FTP, SSH, Telnet, HTTP, and more. It functions to perform brute-force password attacks on remote authentication services attempting username and password combinations fast and is incredibly effective at determining weak passwords across various services.
THC-Hydra Github Repo

Tenable Nessus

Nessus is a popular vulnerability assessment tool used to conduct scans for known vulnerabilities in operating systems, applications, and network devices. It checks for improper configuration, missing patches, and potential risks like open ports or outdated software. Nessus provides back detailed reports and suggestions for remediation procedures making incredibly important to proactive security management.
Tenable Nessus Download||Tenable Nessus Documentation

SQLmap

SQLmap is designed to automate the detection and exploitation of SQL injection vulnerability testing in web applications. It detects different types of SQL injection flaws and exploits them to extract data from databases, execute various commands, and attempt privilege escalation within MySQL, PostgreSQL, Oracle, and Microsoft SQL Server.
SQLmap Website

Maltego

Maltego is both a data mining and OSINT tool leveraged to gather and visualize information about a target such as individuals, companies, websites, IP addresses, and email addresses. It is a powerful reconnaissance tool used in penetration testing to map out entity relationships and collect intelligence from public sources.
Maltego Download||Popular User Guides

Ettercap

Ettercap is a comprehensive suite designed for man-in-the-middle (MITM) attacks. It functions to intercept, monitor, and manipulate traffic between two entities in a network. It is useful for sniffing out sensitive data such as passwords and session cookies. It has both active and passive attacks and is particular useful for DNS spoofing and ARP poisoning.
Ettercap Download||Ettercap Cheatsheet

BeEF

BeEF, AKA Browser Exploitation Framework, is built to exploit web browser vulnerabilities. After a browser is compromised through phishing or malicious websites this tool allows testers to control the target's browser and perform keylogging, gathering credentials, or fingerprinting internal networks. This is a powerful tool for security testers to assess risks of vulnerable browsers and client-side cyber attacks
BeEF Github Repo

Fierce

Fierce is a DNS recon tools used to locate IP addresses and map out subdomains of a target domain. It is often used for finding hosts in the same IP range, misconfigured DNS servers, and vulnerable domain configurations. This is a practical tool testesr use to discover hidden services that can be further targeted in penetration tests.
Fiercce Github Repo

Autopsy

Autopsy is an open-source digital forensics tools used for performing forensic investigations on various digital technology including hard drives, smart phones, and other storage systems. It can provide security testers the ability to analyze file systems, recover deleted files, review browser history, and extract metadata from files.
Autopsy Download||User Guide

Netcat

Netcat is like a swiss army knife for networking with its versatility in reading and writing data across network connections. It is used for port scanning, banner grabbing, network debugging, and creating reverse shells. This tool enables security testers with capability to perform firewall testing and setting up backdoor access.
Ncat User Guide

SpiderFoot

SpiderFoot is an automated reconnaissance tool built for penetration testers, ethical hackers, and security researchers. It can gather and analyze a range of information from public sources such as IP addresses, domain names, email addresses, and other line data point sources. It is incredibly powerful in performing OSINT gathering to uncover vulnerabilites, data leaks, and exposed information on targets.
Spiderfoot Github Repo

Social-Engineer Toolkit (SET)

SET is an open-source tool created to perform social engineering attacks like phishing, spear-phishing, and credential harvesting. It enables testers with the capability to simulate real-world and practical social engineering attacks on users and organizations to test their susceptibility to the most widely used cyber attack techniques used to date.
SET Github Repo

WPScan

WPScan is a unique and specialized security scanning tools designed to assess the security of WordPress websites. it is open-source and provides security researchers and penetration testers with the ability to detect issues such as outdated plugins, themes, weak passwords, and exposed configuration files that make WordPress sites susceptible to attacks.
WPScan Github Repo

Cloud Security & Resources

Securing your cloud environment is crucial to ensure data integrity, availability, and confidentiality. This section provides essential cloud security tools, platforms, and learning resources to help you protect your cloud infrastructure effectively.

What is Cloud Security?

Cloud security refers to the technology, policies, controls, and services that protect cloud computing environments from threats. It includes managing identity access, encryption, and security posture monitoring.

Key Cloud Security Concepts

  • Shared Responsibility Model: Users must secure their applications and data, while cloud providers secure the infrastructure.
  • Data Encryption: Encrypt data in transit and at rest to protect against unauthorized access.
  • IAM: Identity and Access Management ensures only authorized users can access critical systems.
  • Security Posture Management: Continuously monitor for vulnerabilities and misconfigurations.

Mobile Security Tools & Resources

Mobile devices are critical in both personal and business life. This section covers key tools, best practices, and resources to secure mobile devices from cyber threats.

What is Mobile Security?

Mobile security refers to protecting mobile devices from data breaches, malware, and phishing attacks. It involves encryption, app security, and secure access management.

Key Mobile Security Concepts

  • Device Encryption: Encrypt all data stored on mobile devices.
  • App Security: Ensure apps are free of vulnerabilities via testing.
  • Mobile Device Management: Use MDM to manage security policies and monitor devices.
  • Two-Factor Authentication: Implement 2FA for secure access.

Mobile Security Best Practices

  • Keep software updated.
  • Install apps from trusted sources.
  • Use strong passwords and 2FA.
  • Be cautious of phishing attempts.
  • Encrypt your device.

Cybersecurity Architecture Overview

A robust cybersecurity architecture is essential for protecting sensitive data, ensuring the availability and integrity of critical systems, and defending against emerging cyber threats. Below is a table that outlines key components of a well-rounded cybersecurity architecture, detailing their purpose and the crucial role they play in safeguarding systems.

Security Tool Purpose Why It's Crucial
Endpoint Detection and Response (EDR/XDR) EDR provides continuous monitoring and response to advanced threats that target various endpoints (e.g., laptops, desktops), while XDR integrates data across numerous vectors (network, server, cloud, etc.) for a more broad defense mechanism. Both of these are instrumental in creating a holistic defense mechanism that correlates dta from multiple security layers. EDR/XDR are essential for detecting and responding to sophisticated, persistent threats, allowing organizations to quickly detect threats before damage occurs. With XDR, security teams gain an extended visibility across all critical areas of infrastructure within an organization.
Antivirus (AV) Software Traditional antivirus software scans for known malware signatures and prevents unauthorized programs from executing on endpoints. Many more robust AV solutions include behavior analysis to pick up on unknown malware variants which are more challenging to address. While considered more traditional and less capable than EDR/XDR technology, antivirus is still a fundamental and foundational layer of protection, especially when integrated into other security mechanisms, catching many common malware and phishing attacks before it is too late.
Firewalls Firewalls monitor incoming and outgoing network traffic and decide whether to allow or block specific traffic based on predefined or user-defined security rules. These can be physical or vitual technologies while some routers are manufactured with built-in firewall capabilities. Firewalls create a barrier between trusted and untrusted networks, filtering traffic and preventing malicious actors from infiltrating internal systems. They can be configured to enable or disable incoming or outgoing traffic as needed to ensure your connection is managed effectively.
Intrusion Detection & Prevention Systems (IDS/IPS) IDS monitors network or system activities for malicious activities or violations of policies. IPS, on the other hand, detects and prevents intrusions by automatically taking action. IDS/IPS are crucial for detecting and blocking malicious activities in real-time, reducing the risk of exploitation and data breaches. Examples of attacks IDS/IPS technologies are vital for protecting against include brute-force attempts and malware propagation. These help organizations respond without delay to stop attacks before they cause significant harm to vital systems.
Data Loss Prevention (DLP) DLP software ensures that sensitive information does not leave the organization in an unauthorized manner, monitoring and controlling data flow across endpoints, networks, and emails. DLP is critical in preventing data breaches and ensuring regulatory compliance by ensuring confidential data, like financial or personal information, is secure. There are costly fines and penalties associated with unauthorized access to data across many sectors and this is fundamental for ensuring organizations maintain integrity and confidentiality of their data.
Encryption Tools Encryption tools protect data at rest and in transit by converting sensitive information into unreadable code that can only be decrypted with the appropriate key. Encryption is vital in safeguarding sensitive information from unauthorized access, particularly when data is transmitted over insecure networks or stored in cloud environments.
Identity & Access Management (IAM) IAM controls user access to critical information and systems. It ensures that only authorized users have access to necessary data and systems, based on their roles. This is often associated with a Zero Trust Maturity Model ensuring appropriate access control mechanisms are in place and routinely audited for compliance. By enforcing strict user authentication and authorization policies, IAM reduces the risk of insider threats and unauthorized access to sensitive systems. Insider threats are a growing concern across the cyber threat landscape in addition social engineering attacks where threat actors tirelesly attempt to steal valuable access credentials for additional cyber attacks.
Security Information & Event Management (SIEM) & Security Orchestration, Automation, and Response (SOAR) SIEM systems collect, analyze, and correlate security data from across the infrastructure, providing real-time threat monitoring and generating alerts for security incidents. SOAR enhances SIEM by further automating and orchestrating security responses based on the data derived from SIEM systems. This streamlines incident response and reduces the time to respond effectively to cyber threats. Together these technologies are vital to providing a comprehensive approach to security management. While SIEM provides the visibility and detection of threats, SOAR automates the remedation and response process, reducing manual effort. This cultivates a faster and more accurate overall response to incidents.
Vulnerability Management Tools Vulnerability management tools, such as Nessus and OpenVAS, scan systems and networks for known vulnerabilities and misconfigurations, providing remediation suggestions. These tools are built to prioritize vulnerabilities based on their severity and provide further details on how to remediate. These tools help prevent cyber incidents by ensuring that systems are up-to-date with the latest patches and reduce the overall exploitable vulnerabilities before it is too late. This is vital to proactively assessing risks while ensuring systems are compliant with security standards helping remain protected against known threats.
Cloud Security Platforms Cloud security platforms provide continuous security monitoring and controls over cloud environments, ensuring data integrity, privacy, and regulatory compliance. They offer features like data encryption, identity management, compliance monitoring, and threat detection mechanisms. As more organizations transition their data and applications to the cloud these cloud security tools ensure that data stored in or transmitted through the cloud is protected from unauthorized access and breaches. Given the growing reliance on cloud services, these tools are critical for building a cloud environment that is secure and protected from threat actors.