5 Best Ethical Hacking Companies for Cybersecurity in 2023

best ethical hacking companies

5 Best Ethical Hacking Companies for Cybersecurity in 2023

In a world where cybercrime is increasing, ethical hacking has become crucial for protecting sensitive data and systems. To help you navigate the world of cybersecurity, we’ve compiled a list of ethical hacking companies to watch for in 2023 – the superheroes of the cyber world.

With advanced technology and expert skills, they’re ready to take on any cyber villain that threatens your security. Whether you are a big business or just starting, get ready to be amazed by the latest ethical hacking techniques and meet the best defenders of the cyber realm!

Best Ethical Hacking Companies

1. Zelvin Security

Zelvin Security

About Zelvin Security:

Zelvin Security, LLC is a world-class security testing and ethical hacking consultancy that helps organizations protect their customers, assets, and brand from worldwide cyber threats. It specializes in network and web application hacking, with a team that leverages technical expertise, business acumen, and extensive experience in manual penetration testing to deliver root-cause results.


  1. Custom Approach: Zelvin Security tailors its approach to each organization, delivering value in security testing and making every dollar count.
  2. Pragmatic Recommendations: Zelvin Security performs a root-cause analysis on every finding, providing cost-effective methods to reduce risk and resolve several findings at once.
  3. Business-Friendly Results: Zelvin Security balances the needs of operations and security, providing recommendations that are appropriate, convenient, and meet security standards.
  4. Education: Each test result includes an explanation of the security risk, helping the business teams gain a deeper understanding of the cybersecurity problem and the motivations behind the security needs.


  1. Specialization: Zelvin Security specifically focuses on network and web application penetration testing, so organizations requiring day-to-day IT services may need to engage additional providers.
  2. Limited Availability: While not specified, due to the high-intensity nature of their assessment, Zelvin Security can only work with a limited number of clients each year due to scheduling constraints.

2. CrowdStrike

About CrowdStrike:

CrowdStrike is a leading cybersecurity company that offers advanced, cloud-native endpoint protection along with real-world simulation exercises to prepare organizations against sophisticated cyber threats. The company uses artificial intelligence and machine learning technologies to provide real-time detection and prevention of threats.

Best For:

CrowdStrike is ideal for medium to large organizations needing robust, cloud-based cybersecurity solutions, including endpoint protection, threat intelligence, incident response, and real-world simulation exercises like red team/blue team engagements and penetration testing.

Services Offered:

CrowdStrike offers a broad range of cybersecurity services:

  1. Endpoint Protection: Using its Falcon platform, CrowdStrike provides advanced endpoint protection against known and unknown threats.
  2. Threat Intelligence: CrowdStrike delivers insights into emerging threats, helping organizations proactively protect their networks.
  3. Incident Response: CrowdStrike assists organizations in responding to and recovering from security incidents, minimizing damage and downtime.
  4. Managed Detection and Response (MDR): This service offers continuous monitoring and response to threats within an organization’s network.
  5. Cloud Security: CrowdStrike provides comprehensive protection for cloud environments, safeguarding both infrastructure and applications.
  6. Vulnerability Management: This service helps organizations identify and manage vulnerabilities in their systems to reduce the risk of exploitation.
  7. Simulation Exercises: CrowdStrike offers real-world simulation exercises like tabletop exercises, red team/blue team exercises, adversary emulation exercises, and penetration testing to prepare and train organizations to defend against sophisticated cyber threats.


  1. Cloud-Native: As a cloud-native platform, CrowdStrike can be quickly deployed, easily scaled, and seamlessly integrated with existing IT infrastructure.
  2. Real-Time Threat Intelligence: CrowdStrike offers real-time threat detection and prevention, significantly reducing the window of exposure compared to traditional methods.
  3. AI-Driven: Utilizing advanced AI and machine learning technologies, CrowdStrike can detect and block even unknown threats.
  4. Comprehensive Coverage: CrowdStrike’s broad range of services, including real-world simulation exercises, provides a holistic approach to cybersecurity.


  1. Cost: CrowdStrike’s advanced features and comprehensive services can be expensive, potentially making it less suitable for small businesses or organizations with a limited budget.
  2. Complexity: The breadth and depth of CrowdStrike’s services may be overwhelming for some users, particularly those without a dedicated IT security team.
  3. Potential Over-Reliance on AI: While AI provides powerful capabilities for threat detection, there may be situations where human expertise is required for complex threat analysis and decision-making.

3. HackerOne


About HackerOne:

HackerOne is a vulnerability coordination and bug bounty platform that connects businesses with cybersecurity researchers. It was founded in 2012 by security leaders from Facebook, Microsoft, and Google. The platform essentially helps companies find vulnerabilities in their systems before malicious hackers do.

Companies can launch their own bug bounty programs on HackerOne, offering cash rewards to researchers who discover and report vulnerabilities. These programs incentivize the discovery of security issues, which the companies can then address.

Best For:

HackerOne is best for businesses of all sizes, from startups to large enterprises, that want to improve their cybersecurity. It is particularly beneficial for companies that:

  1. Want to leverage the collective expertise of a large community of ethical hackers to find and fix security vulnerabilities.
  2. Are interested in running a bug bounty program to incentivize the discovery of vulnerabilities.
  3. Need to comply with regulatory requirements and demonstrate a proactive approach to cybersecurity.

Services Offered:

HackerOne provides several key services:

  1. Bug Bounty Programs: Companies can launch their own bug bounty programs on HackerOne, offering cash rewards to security researchers who discover and report vulnerabilities in their systems.
  2. Vulnerability Disclosure Programs (VDP): Companies can create a process to accept vulnerability reports from the security community. This doesn’t necessarily include cash rewards but provides a formal channel for reporting potential security issues.
  3. Penetration Testing: HackerOne offers traditional penetration testing services conducted by experienced security professionals.
  4. HackerOne Challenge: A time-bound program that allows organizations to focus the community on a specific product or upcoming release.
  5. Security Consulting: HackerOne’s team can provide insights and advice on how to handle potential security vulnerabilities.


  1. Access to a Large Community: HackerOne provides access to a community of thousands of ethical hackers from around the world, providing a wide range of expertise and experience.
  2. Managed Programs: For businesses without a dedicated security team, HackerOne offers managed programs where their team handles triage, bounty decisions, and program management.
  3. Efficient Vulnerability Discovery: The bug bounty model incentivizes quick and efficient discovery of vulnerabilities.
  4. Improved Security Posture: Engaging the ethical hacker community helps organizations identify and fix vulnerabilities before malicious actors can exploit them.
  5. Transparency and Trust: Publicly running a bug bounty program can increase trust from customers and stakeholders by demonstrating a proactive approach to security.


  1. Cost: Running a bug bounty program can be expensive, especially if a lot of valid vulnerabilities are found. Costs include the bounty payouts and the platform’s fee.
  2. Resource Intensive: Once vulnerabilities are reported, they need to be verified, prioritized, and fixed. This can require substantial time and resources.
  3. Potential for Noise: Not all reported vulnerabilities are valid or significant. Triaging reports to identify the ones that matter can be challenging and time-consuming.
  4. Public Perception: If not managed correctly, the discovery of numerous vulnerabilities could lead to a negative public perception.

4. BreachLock


About BreachLock:

BreachLock is a leading global provider of Penetration Testing as a Service (PTaaS), offering a combination of certified human expertise and Artificial Intelligence (AI) to deliver comprehensive, scalable, and cost-effective security solutions. Its cloud-based platform offers businesses the ability to request and receive a complete penetration test with a few clicks, making it a valuable tool for organizations of all sizes.

Best For:

BreachLock is ideal for businesses looking for a comprehensive and scalable penetration testing solution that is easy to integrate into their existing operations. Whether it’s a small startup or a large corporation, businesses that value quick and efficient vulnerability discovery and remediation will find BreachLock’s services valuable.

Services Offered:

BreachLock offers a wide range of services through its PTaaS platform:

  1. Penetration Testing: BreachLock provides comprehensive penetration testing services, including Web Application Penetration Testing, Network Penetration Testing, API Penetration Testing, Mobile Penetration Testing, and more.
  2. Red Teaming: BreachLock offers Red Teaming as a Service, providing a simulated cyber-attack on your organization to test your defenses.
  3. Vulnerability Scanning: Regular automated scanning is performed to identify potential vulnerabilities in your system.
  4. Remediation Testing: Post-penetration testing, the BreachLock team verifies if the vulnerabilities have been properly fixed.
  5. DevSecOps Penetration Testing: BreachLock integrates with DevOps tools like JIRA and Slack to ensure security is factored into your development lifecycle.
  6. Compliance Testing: BreachLock helps you meet various compliance requirements such as PCI DSS, HIPAA, SOC 2, ISO 27001, GDPR, and more.


  1. Scalability: BreachLock’s cloud-based platform allows you to scale your penetration testing efforts as your organization grows.
  2. Combination of AI and Human Expertise: By leveraging AI for automated scanning and certified hackers for manual testing, BreachLock provides a comprehensive and efficient penetration testing service.
  3. DevOps Integration: BreachLock integrates with popular DevOps tools, which can help speed up vulnerability resolution and improve your overall security posture.
  4. Retesting and Continuous Assurance: BreachLock provides retesting services to validate patch effectiveness and offers continuous automated scans for ongoing security assurance.
  5. Compliance: With a wide range of compliance testing services, BreachLock can help you meet the security standards required by various regulations.


  1. Limited Services Beyond Penetration Testing: While BreachLock specializes in penetration testing, businesses seeking a broader range of cybersecurity services may need to engage additional vendors.
  2. Dependency on Platform: BreachLock’s services are tied to its cloud platform, which may not suit organizations that prefer on-premise solutions or have specific restrictions against cloud-based services.

5. Offensive Security

About Offensive Security:

Offensive Security is a specialized provider of penetration testing services with a focus on comprehensive and highly detailed assessments. They take on a limited number of clients per year, ensuring each engagement is given in-depth attention. Their expertise extends to creating widely used pentesting tools and exploits like Kali Linux and the Exploit-DB.

Best For:

Organizations that have already hardened their systems and are looking for advanced attack simulations to further improve their security posture would benefit the most from Offensive Security’s services. This includes government entities, financial institutions, healthcare companies, manufacturing and technology groups, among others, especially those in high-risk positions or ones who find traditional penetration tests insufficient.

Services Offered:

  1. Penetration Testing: Offensive Security provides rigorous and thorough penetration testing services to identify weaknesses in networks, computer systems, and applications.
  2. Advanced Attack Simulation: For organizations with mature security defenses, Offensive Security offers advanced attack simulations that require custom attack methodologies.
  3. Application Security Assessment: The team conducts an in-depth vulnerability analysis of the target application using a variety of methodologies, including reverse engineering, protocol analysis, and manual traditional and custom attacks.


  1. Expertise: Offensive Security’s team consists of recognized leaders in the information security training field, having authored exploits and pentesting tools.
  2. Focused Attention: Offensive Security takes on a limited number of clients each year to ensure each client receives the full focus and resources of their team.
  3. Customized Assessments: The company’s approach involves understanding the client’s primary business function, threat origins, and the goal of the security assessment, resulting in highly customized and effective assessments.
  4. Interactive Process: The assessment team works closely with the client, keeping them informed throughout the process and ensuring there are no surprises in the final report.


  1. Limited Availability: Due to the high-intensity nature of their assessments, Offensive Security can only work with a limited number of clients each year, which may lead to scheduling constraints.
  2. Not Suitable for All Businesses: If an organization is only looking for a checklist assessment or does not have a mature enough security posture to warrant advanced attack simulations, Offensive Security may not be the right choice.

Criteria for Selection

Selecting the best ethical hacking companies involves considering several factors that underscore their proficiency, reliability, and adaptability. Our list is carefully curated based on the following criteria:

  1. Expertise and Experience: We prioritize companies with a strong background in ethical hacking, cybersecurity, and related disciplines. The experience of the team, particularly in dealing with various types of security threats and vulnerabilities, is a critical factor.
  2. Range of Services: The companies that offer a broad spectrum of services, including penetration testing, vulnerability assessments, security audits, and more, are preferred. It’s also beneficial if they provide specialized services such as red teaming, blue teaming, and social engineering simulations.
  3. Reputation and Client Feedback: Companies that have a solid reputation in the industry and positive feedback from clients are more likely to deliver high-quality services.
  4. Methodology: Companies that employ rigorous, up-to-date methodologies for testing and assessing systems are preferred. This includes following industry standards like OWASP, NIST, and others.
  5. Certifications and Compliance: It’s essential for ethical hacking companies to have relevant certifications and demonstrate adherence to compliance standards. Certifications like CREST, OSCP, OSCE, and others signify a certain level of competence in the field.
  6. Customization: Companies that offer customizable services to suit the specific needs and risks of different businesses score higher. Ethical hacking isn’t a one-size-fits-all solution, and the best companies recognize and address this.
  7. Post-Testing Support: Companies that provide robust post-testing support, including detailed reports, remediation advice, and retesting, are an asset to clients.
  8. Diversity in Size and Approach: We consider the diversity in the size of the companies and their approaches to ethical hacking. This includes small, agile teams that offer personalized services, as well as large organizations that have the resources to address wide-ranging cybersecurity threats. Diversity in approaches to ethical hacking ensures that different types of business needs and security requirements can be met.
  9. Personal Experience: We also incorporate personal experiences with these companies, either directly or via trusted sources. This first-hand knowledge can provide unique insights into the quality of service, professionalism, and overall client satisfaction.

By applying these criteria, we aim to provide a diverse selection of the best ethical hacking companies that can cater to different business needs and security requirements.

Of course, while we strive to provide an accurate list of the best ethical hacking companies, we recognize that we might have missed some worthy contenders. Our industry is dynamic, and new exceptional companies are emerging all the time.

If you believe there is a company that deserves to be on this list, or if you represent a company that you feel meets our criteria, we encourage you to reach out to us. We value the insights and suggestions of our readers and industry colleagues, and we’re always open to revising our list to ensure it remains a valuable resource for those seeking top-notch ethical hacking services. After all, our ultimate goal is to promote a safer and more secure digital landscape for everyone.