{"id":186936,"date":"2024-07-04T18:34:00","date_gmt":"2024-07-04T17:34:00","guid":{"rendered":"https:\/\/liora.io\/en\/?p=186936"},"modified":"2026-08-08T14:19:01","modified_gmt":"2026-08-08T13:19:01","slug":"all-about-pentest","status":"publish","type":"post","link":"https:\/\/liora.io\/en\/all-about-pentest","title":{"rendered":"Pentest: What is it? How does it work?"},"content":{"rendered":"\n<p><strong><strong>Pentesting enables the effective identification of security vulnerabilities within computer systems before they can be exploited by hackers. Learn how this strategy safeguards businesses by testing their defenses in a manner akin to that of a real hacker.<\/strong><br\/><\/strong><\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"what-is-a-pentest\">What is a pentest?<\/h2>\n\n\n<h3 class=\"wp-block-heading\" id=\"definition-of-pentest\">Definition of Pentest<\/h3>\n\n\n<p><strong>A penetration test<\/strong>, commonly referred to as a pentest, is <strong>a security audit that simulates<\/strong> a cyberattack. In this process, the pentester, acting as an ethical hacker, attempts to infiltrate an organization&#8217;s computer system. This can occur through multiple entry points such as networks, websites, applications, user accounts, or <a href=\"https:\/\/liora.io\/en\/all-about-internet-of-things\">connected devices<\/a>.<\/p>\n\n\n<p>The aim is to identify <a href=\"https:\/\/liora.io\/en\/all-about-api-vulnerability\">API security vulnerabilities<\/a> before real cybercriminals find them. For this purpose, <strong>the pentester employs various testing methods<\/strong>, including social engineering, to detect all potential vulnerabilities. Upon identifying weaknesses, they prepare detailed <strong>pentest reports<\/strong> and recommend strategies to enhance system security.<\/p>\n\n\n<p>It&#8217;s a \u201c<strong>preventive cyberattack<\/strong>\u201d approach that facilitates the evaluation and reinforcement of sensitive data protection. This practice, which adheres to modern security standards, has become crucial for any organization focused on its cybersecurity.<\/p>\n\n\n<p>It&#8217;s similar to a \u201cpreventive cyberattack\u201d or an \u201coffensive evaluation,\u201d with the goal being to assess the robustness of IT systems.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"what-are-the-benefits-of-pentesting\">What are the benefits of pentesting?<\/h3>\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Countering the evolution of threats:<\/strong> As cyberattacks grow more sophisticated, penetration tests become increasingly vital. To thwart attacks, businesses must fortify themselves, which necessitates <strong>constant monitoring<\/strong> and frequent pentests. They are essential for <strong>identifying security vulnerabilities, mitigating them, and thereby bolstering the information system&#8217;s protection.<\/strong><\/li>\n<li><strong>Enhancing the security of web applications:<\/strong> Although engaging <strong>a pentester<\/strong> is a considerable investment, it is crucial for proactively identifying security vulnerabilities before cybercriminals can exploit them.<\/li>\n<li><strong>Preventing massive financial losses:<\/strong> During cyberattacks, companies might lose millions or even billions due to business disruptions, <a href=\"https:\/\/liora.io\/en\/all-about-ransomware\">ransom demands<\/a>, not to mention the damage to their brand reputation. This is why <a href=\"https:\/\/liora.io\/en\/cybersecurity-the-ultimate-guide\">cybersecurity professionals<\/a> are in high demand across all industries.<\/li>\n<li>Regulatory compliance: A pentest is also essential for <strong>meeting regulatory requirements<\/strong>. For instance, the GDPR mandates that companies secure their information systems to prevent data breaches. Organizations seeking certification (like <a href=\"https:\/\/liora.io\/en\/all-about-iso-standards\">ISO 27001<\/a>) must perform <strong>penetration testing<\/strong> as a <i>sine qua non<\/i> condition for approval.<\/li>\n<\/ol>\n\n\n<figure class=\"wp-block-image size-full\" style=\"margin-top:32px;margin-bottom:32px\"><img alt=\"Illustration for What are the benefits of pentesting?\" decoding=\"async\" height=\"457\" loading=\"lazy\" src=\"https:\/\/liora.io\/app\/uploads\/sites\/9\/2024\/06\/pentest-cybersecurity2.jpg\" style=\"width:100%;height:auto\" width=\"800\"\/><\/figure>\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex is-content-justification-center wp-container-core-buttons-is-layout-5ee10de4\" style=\"margin-top:32px;margin-bottom:32px\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/courses\/cloud-dev\/cloud-engineer\">Find a course for you<\/a><\/div><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"vulnerability-scan-or-pentest\">Vulnerability scan or pentest?<\/h2>\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table>\n<tbody>\n<tr>\n<td><strong>Criteria<\/strong><\/td>\n<td><strong>Vulnerability scan<\/strong><\/td>\n<td><strong>Pentest<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Type<\/strong><\/td>\n<td>Automated analysis<\/td>\n<td>In-depth manual analysis<\/td>\n<\/tr>\n<tr>\n<td><strong>Objective<\/strong><\/td>\n<td>Quick detection of vulnerabilities<\/td>\n<td>Simulation of a real attack<\/td>\n<\/tr>\n<tr>\n<td><strong>Depth<\/strong><\/td>\n<td>Superficial<\/td>\n<td>Detailed, targeting complex vulnerabilities<\/td>\n<\/tr>\n<tr>\n<td><strong>Cost<\/strong><\/td>\n<td>Affordable<\/td>\n<td>Higher<\/td>\n<\/tr>\n<tr>\n<td><strong>Frequency<\/strong><\/td>\n<td>Regular<\/td>\n<td>Periodic (audit)<\/td>\n<\/tr>\n<tr>\n<td><strong>Expertise<\/strong><\/td>\n<td>Basic technical<\/td>\n<td>Cybersecurity expert required<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n<p><strong>Vulnerability scans<\/strong> and pentests are two complementary approaches in cybersecurity. Scans provide rapid and regular identification of prevalent vulnerabilities using automated tools, vital for the ongoing maintenance of a system\u2019s security.<\/p>\n\n\n<p>Conversely, a pentest offers a more advanced approach. By mimicking a genuine attack, it enables the examination of vulnerability exploitation and assesses the overall system resilience. It&#8217;s the perfect method for comprehensive audits, revealing complex vulnerabilities that automated tools often miss.<\/p>\n\n\n<p>By integrating these methods, companies achieve a complete security perspective: consistent monitoring through scanning, paired with in-depth analysis and strategic advice from pentesting.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"what-are-the-different-types-of-penetration-tests\">What are the different types of penetration tests?<\/h2>\n\n\n<p>Given the complexity of information systems, <strong>pentests can target various areas<\/strong>. Accordingly, they are categorized into several types. Here are the most prevalent:<\/p>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Internal network penetration test:<\/strong> It evaluates servers, network equipment, workstations, Wi-Fi, Active Directory, etc., to assess security from an insider attacker\u2019s perspective.<\/li>\n<li><strong>Web application penetration test:<\/strong> It seeks vulnerabilities related to the infrastructure configurations hosting the services (<strong>servers<\/strong>, <a href=\"https:\/\/liora.io\/en\/all-about-cloud-computing\">cloud environments<\/a>).<\/li>\n<li><strong>Mobile application penetration test:<\/strong> It includes a <strong>static analysis<\/strong> and a <strong>dynamic analysis of the application<\/strong>. Static analysis extracts components for reverse engineering attempts, while dynamic analysis identifies vulnerabilities during app execution.<\/li>\n<li><strong>API penetration test:<\/strong> It can be performed independently or as part of a web or mobile application pentest. This interface has specific vulnerabilities, like broken authentication, unchecked resource consumption, server-side request forgery, etc.<\/li>\n<li><strong>IoT and connected devices penetration tests:<\/strong> All layers of the IoT ecosystem are analyzed, including hardware, firmware, communication protocols, servers, web applications, and mobile applications.<\/li>\n<\/ul>\n\n\n<figure class=\"wp-block-image size-full\" style=\"margin-top:32px;margin-bottom:32px\"><img alt=\"Illustration for What are the different types of penetration tests?\" decoding=\"async\" height=\"457\" loading=\"lazy\" src=\"https:\/\/liora.io\/app\/uploads\/sites\/9\/2024\/06\/pentest-cybersecurity1.jpg\" style=\"width:100%;height:auto\" width=\"800\"\/><\/figure>\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex is-content-justification-center wp-container-core-buttons-is-layout-5ee10de4\" style=\"margin-top:32px;margin-bottom:32px\"><div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"\/en\/courses\/cloud-dev\/cloud-engineer\">Training in Pentest<\/a><\/div><\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"3-pentesting-methodologies\">3 pentesting methodologies<\/h4>\n\n\n<p>Prior to delving into the steps of pentesting, it&#8217;s important to note that penetration tests can be undertaken using three different approaches:<\/p>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Blackbox pentest<\/strong>: the pentester doesn&#8217;t have access to the information system&#8217;s data. They approach the system as an outsider to the organization.<\/li>\n<li><strong>Greybox pentest<\/strong>: the pentester has access to some information but not all. For instance, certain user accounts.<\/li>\n<li><strong>Whitebox pentest<\/strong>: the pentester has full access to all the available data, including the source code and the system administrator account of the information systems.<\/li>\n<\/ul>\n\n\n<p>By employing these different methodologies, one can prepare for all kinds of attacks.<\/p>\n\n\n<h4 class=\"wp-block-heading\" id=\"the-8-steps-of-penetration-testing\">The 8 steps of penetration testing<\/h4>\n\n\n<p>To conduct a pentest, the cyber expert must adhere to a detailed plan consisting of 8 steps:<\/p>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Target reconnaissance<\/strong>: this step involves gathering data about the nature of the test (network, API, application, &#8230;) and the specified target.<\/li>\n<li><strong>Mapping<\/strong>: this is the process of creating a map of the information system. Its purpose is to list assets.<\/li>\n<li><strong>Vulnerability research:<\/strong> this is when the pentester examines the IS for weaknesses.<\/li>\n<li><strong>Exploitation<\/strong>: the pentester utilizes the identified vulnerabilities to assess their severity.<\/li>\n<li><strong>Privilege escalation<\/strong>: the pentester assumes the role of a hacker, temporarily acquiring administrator rights (the privileges) to execute their attacks.<\/li>\n<li><strong>Propagation:<\/strong> this involves determining the extent of the vulnerability. To do this, the pentester expands their attack to other devices within the IT infrastructure.<\/li>\n<li><strong>Cleaning<\/strong>: the system is cleansed and reverted to its original state.<\/li>\n<li><strong>Reporting<\/strong>: the pentester documents all the actions performed during the penetration test and offers recommendations for remedying the deficiencies.<\/li>\n<\/ul>\n\n\n<p>Throughout these stages, the pentester utilizes a variety of tools, such as <strong>Burp Suite<\/strong>, <strong>Kali Linux<\/strong>, <strong>Metasploit<\/strong>, <strong>Hashcat<\/strong>, <strong>Nmap<\/strong>, <strong>Ettercap<\/strong>, <strong>SQLmap<\/strong>, etc.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-perform-a-pentest\">How to perform a pentest?<\/h2>\n\n\n<h3 class=\"wp-block-heading\" id=\"3-pentesting-methodologies-2\">3 pentesting methodologies<\/h3>\n\n\n<p>Penetration tests can be conducted in three varied ways:<\/p>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Blackbox pentest:<\/strong> The pentester has no access to the information system&#8217;s data, mimicking an external attacker.<\/li>\n<li><strong>Greybox pentest:<\/strong> The pentester has limited information, such as some user accounts.<\/li>\n<li><strong>Whitebox pentest:<\/strong> The pentester has complete data access, including source code and administrator accounts information.<\/li>\n<\/ul>\n\n\n<p>Combining these methods helps cover a wide range of threat scenarios. For instance, a blackbox test assesses external defenses&#8217; strength, while a whitebox test uncovers complex internal vulnerabilities, often due to misconfigurations or insecure IDE development practices. This hybrid method is commonly preferred for a <strong>comprehensive security assessment<\/strong>.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"the-8-stages-of-penetration-testing\">The 8 stages of penetration testing<\/h3>\n\n\n<p>To execute a pentest, a cybersecurity expert follows a specific process:<\/p>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Target reconnaissance:<\/strong> Gather data relevant to the test type (network, <a href=\"https:\/\/liora.io\/en\/api-the-path-to-seamless-integration\">API<\/a>, application, etc.) and the selected target.<\/li>\n<li><strong>Mapping:<\/strong> This step involves mapping the information system and inventorying assets.<\/li>\n<li><strong>Vulnerability research:<\/strong> The pentester examines the system\u2019s weaknesses.<\/li>\n<li><strong>Exploitation:<\/strong> The pentester exploits identified vulnerabilities and evaluates their criticality.<\/li>\n<li><strong>Privilege escalation:<\/strong> The pentester acts as a <a href=\"https:\/\/liora.io\/en\/all-about-cybercrime\">cybercriminal<\/a>, temporarily gaining system administrator rights to carry out additional attacks.<\/li>\n<li><strong>Propagation:<\/strong> The pentester understands a vulnerability&#8217;s scope by extending the attack to other devices.<\/li>\n<li><strong>Cleanup:<\/strong> The system is restored to its original state.<\/li>\n<li><strong>Report:<\/strong> The pentester documents all actions taken during testing and offers recommendations for remediation.<\/li>\n<\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"what-are-the-tools-of-pentesting\">What are the tools of pentesting?<\/h2>\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table>\n<tbody>\n<tr>\n<td><strong>Tools<\/strong><\/td>\n<td><strong>Functionality<\/strong><\/td>\n<td>\u00a0<\/td>\n<td><strong>Examples<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Static analysis<\/strong><\/td>\n<td>Automatically detects vulnerabilities in source code.<\/td>\n<td>\u00a0<\/td>\n<td>SonarLint, Checkmarx, Snyk<\/td>\n<\/tr>\n<tr>\n<td><strong>Dependency management<\/strong><\/td>\n<td>Analyzes external libraries for vulnerabilities.<\/td>\n<td>\u00a0<\/td>\n<td>OWASP Dependency-Check, Dependabot<\/td>\n<\/tr>\n<tr>\n<td><strong>Linting<\/strong><\/td>\n<td>Enforces secure coding practices.<\/td>\n<td>\u00a0<\/td>\n<td>ESLint, <a href=\"https:\/\/liora.io\/en\/pylint-how-to-boost-productivity-through-code-analysis\">Pylint<\/a>, StyleCop<\/td>\n<\/tr>\n<tr>\n<td><strong>Secret detection<\/strong><\/td>\n<td>Finds exposed API keys or passwords in the code.<\/td>\n<td>\u00a0<\/td>\n<td>GitGuardian, TruffleHog<\/td>\n<\/tr>\n<tr>\n<td><strong>Proxy and dynamic tests<\/strong><\/td>\n<td>Tests the application&#8217;s behavior in real-time.<\/td>\n<td>\u00a0<\/td>\n<td>OWASP ZAP, Burp Suite CLI<\/td>\n<\/tr>\n<tr>\n<td><strong>Automated tests<\/strong><\/td>\n<td>Executes security tests in CI\/CD pipelines.<\/td>\n<td>\u00a0<\/td>\n<td>ZAP CLI, GitLab CI\/CD, Jenkins<\/td>\n<\/tr>\n<tr>\n<td><strong>Version control<\/strong><\/td>\n<td>Protects against leaks of sensitive information in Git.<\/td>\n<td>\u00a0<\/td>\n<td>GitGuardian, Git Hooks<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/figure>\n\n\n<p>Incorporating these tools within IDEs helps enforce security from the development phase, thus mitigating vulnerabilities in production. A combination of static analyses, dependency management, and dynamic tests ensures sustained security throughout the development lifecycle.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h2>\n\n\n<p>Pentesting has evolved into a fundamental component of cybersecurity. Organizations actively pursue professionals who can detect and thwart threats before they inflict harm.<\/p>\n\n\n<p>Training in pentesting extends beyond advanced technical skills to include strategic thinking, essential for comprehending attacker methods. It\u2019s a field that blends analysis, investigation, and creativity, confronting ever-changing challenges.<\/p>\n\n\n<figure class=\"wp-block-image size-full\" style=\"margin-top:32px;margin-bottom:32px\"><img alt=\"Illustration for Conclusion\" decoding=\"async\" height=\"457\" loading=\"lazy\" src=\"https:\/\/liora.io\/app\/uploads\/sites\/9\/2024\/06\/pentest-cybersecurity3.jpg\" style=\"width:100%;height:auto\" width=\"800\"\/><\/figure>\n\n\n","protected":false},"excerpt":{"rendered":"<p>Pentesting enables the effective identification of security vulnerabilities within computer systems before they can be exploited by hackers. Learn how this strategy safeguards businesses by testing their defenses in a manner akin to that of a real hacker. What is a pentest? Definition of Pentest A penetration test, commonly referred to as a pentest, is [&hellip;]<\/p>\n","protected":false},"author":45,"featured_media":186938,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"editor_notices":[],"footnotes":""},"categories":[2426],"class_list":["post-186936","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity"],"acf":[],"_links":{"self":[{"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/posts\/186936","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/comments?post=186936"}],"version-history":[{"count":5,"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/posts\/186936\/revisions"}],"predecessor-version":[{"id":210530,"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/posts\/186936\/revisions\/210530"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/media\/186938"}],"wp:attachment":[{"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/media?parent=186936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/liora.io\/en\/wp-json\/wp\/v2\/categories?post=186936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}