19 meilleurs outils de cybersécurité gratuits évalués en 2026

Burp Suite is a web application security tool used mainly by security professionals and developers. It helps in identifying vulnerabilities and securing web applications through manual and automated testing.

Why I picked Burp Suite: The Community Edition of Burp Suite provides essential manual tools for web security testing at no cost. It allows your team to conduct basic vulnerability assessments without needing a subscription. The free version's focus on web vulnerability scanning makes it a valuable tool for those looking to secure their web applications. You can rely on its capabilities to identify and address potential security gaps.

Standout features & integrations:

Features include tools for intercepting requests, which let you examine and modify web traffic. You can use its spidering feature to map out web applications. The scanner feature helps in identifying common vulnerabilities.

Integrations include Jenkins, Jira, GitHub, GitLab, Bamboo, Azure DevOps, TeamCity, TFS, and Bitbucket.

What's free? Burp Suite offers a free-forever Community Edition with basic manual tools for web security testing.

Aircrack-ng is a suite of tools designed for network monitoring and testing. It's primarily used by network administrators and security professionals to assess Wi-Fi security and troubleshoot network issues.

Why I picked Aircrack-ng: The free offering allows you to monitor and test your network security without any cost. Its ability to capture and analyze packets makes it ideal for network monitoring. The suite includes tools for packet capturing, decryption, and analysis, which are crucial for identifying vulnerabilities. You can conduct thorough network assessments using its free features, aligning with its focus on network monitoring.

Standout features & integrations:

Features include packet sniffing, which lets you capture data on your network. You can also decrypt WEP and WPA keys to assess network security. The suite's ability to replay attacks provides insights into potential vulnerabilities.

Integrations include Wireshark, tcpdump, airodump-ng, aireplay-ng, airdecap-ng, and airbase-ng.

What's free? Aircrack-ng offers a free-forever plan with no user restrictions, making it accessible for unlimited use.

Kali Linux is an open-source operating system designed for cybersecurity professionals and ethical hackers. It provides an extensive suite of tools for penetration testing, security research, and network analysis.

Why I picked Kali Linux: It offers a free-forever plan with a wide range of tools for penetration testing. The platform includes features like vulnerability analysis and network scanning, which are essential for security professionals. Kali Linux's focus on penetration testing makes it an ideal choice for those looking to conduct in-depth security assessments. You can use its extensive toolset to identify and address security vulnerabilities.

Standout features & integrations:

Features include an extensive library of pre-installed security tools, allowing you to conduct various cybersecurity tasks. You can use its customizable interface to tailor the environment to your needs. The platform supports multiple languages, making it accessible to a global audience.

Integrations include Metasploit, Nmap, Wireshark, Aircrack-ng, Hydra, John the Ripper, Burp Suite, OWASP ZAP, Maltego, and Armitage.

What's free? Kali Linux offers a free-forever plan with no restrictions on users or features, providing access to its entire suite of tools.

ZAP, or Zed Attack Proxy, is an open-source web application security scanner used by developers and security professionals. It helps identify vulnerabilities in web applications, providing a comprehensive testing environment for enhancing security.

Why I picked ZAP: The tool offers a free-forever version with features that are essential for web app security testing. It includes automated scanners and a set of tools that allow you to discover security vulnerabilities. ZAP's focus on web app security testing makes it a valuable resource for developers and security teams. You can use its intuitive interface to conduct thorough security assessments without needing a subscription.

Standout features & integrations:

Features include an automated scanner that lets you quickly identify vulnerabilities in your web applications. You can use its spidering tool to map out and analyze the structure of your web app. The tool also provides a passive scanner that monitors web traffic for potential security issues.

Integrations include Jenkins, GitHub, GitLab, JIRA, Slack, Docker, Selenium, Azure DevOps, AWS, and SonarQube.

What's free? ZAP offers a free-forever plan with no user restrictions, allowing full access to its security testing features.

OpenVAS, which refers to Open Vulnerability Assessment System, is an open-source vulnerability scanner used by IT and security teams to assess network vulnerabilities. It provides a varied suite of tools for detecting security issues, helping organizations strengthen their defenses.

Why I picked OpenVAS: The tool offers a free-forever plan with extensive scanning capabilities to assess vulnerabilities. You can perform detailed network scans and generate reports on potential security threats. OpenVAS's focus on vulnerability assessment makes it an invaluable tool for ensuring network security. You can use its customizable scan configurations to tailor assessments to your specific needs.

Standout features & integrations:

Features include an intuitive web-based interface that lets you manage scans and view results easily. You can use its scheduling feature to automate regular scans of your network environment. The tool also provides detailed reporting, allowing you to analyze vulnerabilities and prioritize remediation efforts.

Integrations include Greenbone Security Manager, Nagios, Splunk, OTRS, OpenSCAP, Nessus, Qualys, AlienVault, Tenable.io, and Kibana.

What's free? OpenVAS is available as a free and open-source software for download, with no user restrictions, providing access to its full range of vulnerability scanning features.

OSSEC is an open-source host-based intrusion detection system (HIDS) designed for monitoring and analyzing server activity. It is mainly used by IT and security teams to detect unauthorized access and changes to system files.

Why I picked OSSEC: The tool offers a free-forever plan with comprehensive intrusion detection capabilities. You can monitor file integrity, perform log analysis, and receive real-time alerts on suspicious activities. OSSEC's focus on host-based intrusion detection makes it an essential tool for maintaining server security. You can customize its rules and configurations to match your specific security needs.

Standout features & integrations:

Features include real-time alerting, which notifies you of any suspicious activities on your system. You can use its rootkit detection feature to identify hidden threats. The tool also offers centralized management, allowing you to monitor multiple systems from a single interface.

Integrations include AlienVault, Splunk, Nagios, Graylog, ELK Stack, Kibana, Logstash, Grafana, PagerDuty, and AWS CloudWatch.

What's free? OSSEC offers a free-forever plan with no limitations on users or features, providing access to its full range of intrusion detection capabilities.

Nikto is an open-source web server scanner used by IT security professionals to identify vulnerabilities and configuration issues. It performs tests against web servers to find potential security threats.

Why I picked Nikto: The tool offers a free-forever version that provides extensive scanning capabilities for web servers. You can detect outdated software and insecure files, helping your team address vulnerabilities. Nikto's focus on web server scanning makes it an essential tool for ensuring server security. You can rely on its regular updates to keep up with the latest threats.

Standout features & integrations:

Features include a deep database of vulnerabilities that lets you identify potential risks quickly. You can perform SSL checks to ensure secure connections. The tool also supports custom plugins, allowing you to extend its capabilities as needed.

Integrations include Metasploit, Nessus, Burp Suite, Nmap, Acunetix, Qualys, OpenVAS, ZAP, IBM AppScan, and WebInspect.

What's free? Nikto offers a free-forever plan with no limitations on users or features, providing full access to its web server scanning capabilities.

Have I Been Pwned is a data breach notification service aimed at helping individuals and organizations check if their personal data has been compromised. It is widely used by IT professionals and security teams to monitor data breaches and protect sensitive information against cyber attacks.

Why I picked Have I Been Pwned: The service offers a free platform where you can check if your email address or domain has been part of a data breach. It provides instant alerts for any compromised data, ensuring you stay informed. You can also monitor multiple email addresses, which enhances its utility for data breach alerts. This makes it a helpful tool for maintaining awareness of security threats.

Standout features & integrations:

Features include a searchable database that lets you find breaches by domain or email. You can see which breaches your email was involved in, allowing you to cross-check your security hygiene. You can receive notifications for any new breaches affecting your data. The platform also offers a password checker to see if your passwords have been exposed.

Integrations are available through the Pwned Passwords Downloader from GitHub and enables the API to integrate with Home Assistant, ADSelfService Plus, Pipedream, BlinkOps, various security/identity platforms, and multiple community-maintained libraries such as pyHIBP and PowerShell modules.

What's free? Have I Been Pwned offers a free-forever service with unlimited checks and alerts for email addresses and domains.

KeePass is a free, open-source password manager designed for individuals and small teams. It helps users securely store and manage passwords, offering a range of encryption options to protect sensitive information.

Why I picked KeePass: The tool provides a free-forever plan with strong encryption features to keep your passwords safe. You can store all your passwords in a single database, encrypted with AES or Twofish algorithms. KeePass's focus on password management makes it a reliable choice for those looking to enhance their security practices. You can also generate strong, random passwords to improve your overall security posture.

Standout features & integrations:

Features include a customizable interface that lets you organize passwords into groups for better management. You can use its auto-type feature to input passwords automatically into applications. The tool also offers a built-in password generator to create complex passwords easily. 

Integrations include KeePassXC, KeePassHTTP, KeeAnywhere, KeePassSync, KeeWeb, KeePassX, KeeFox, KeePassDroid, MiniKeePass, and MacPass.

What's free? KeePass offers a free-forever plan with no restrictions, allowing full access to its password management features.

Gophish is a phishing simulation platform designed for IT and security teams. It helps organizations test and improve their employees' awareness of phishing attacks by creating and managing phishing campaigns.

Why I picked Gophish: The platform offers a free, open-source solution that allows you to conduct phishing tests without a subscription. Gophish's focus on phishing simulation makes it an excellent tool for training employees. You can create customized phishing templates and track campaign results. This aligns with its purpose of improving phishing awareness within your team.

Standout features & integrations:

Features include a user-friendly dashboard that lets you manage campaigns easily. You can create templated designs, including a full HTML editor, schedule and launch campaigns, and track email open rates and link clicks to measure employee engagement. The platform also provides detailed reporting for analyzing campaign effectiveness.

Integrations include Microsoft Outlook, Gmail, SendGrid, Amazon SES, Mailgun, Twilio, SMTP servers, Office 365, Mandrill, and Postfix.

What's free? Gophish offers a free-forever open-source version with no user restrictions, allowing unlimited access to its features.