Draft:Hack The Box
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This draft's references do not show that the subject meets Wikipedia's criteria for inclusion for organizations and companies. The draft requires multiple published secondary sources that:
Declined by Qcne 21 days ago.
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Submission declined on 7 July 2026 by Theroadislong (talk). This draft reads like an advertisement. Wikipedia is an encyclopedia, not a platform for promotion or marketing. Drafts that are exclusively promotional may be deleted without notice.
Declined by Theroadislong 21 days ago.Wikipedia articles must be written neutrally in a formal, impersonal, and dispassionate way. They should not read like a blog post, advertisement, or fan page. Rewrite the draft to remove:
Instead, only summarize in your own words a range of independent, reliable, published sources that discuss the subject. If you have a conflict of interest (e.g. you are the subject, an employee, or a relative) or are being paid to edit, you must disclose this to comply with Wikipedia's Terms of Use. | |
Comment: All but one source is WP:ORGTRIV. This has already been pointed out to you. The only additions you made are press releases. Please take the time to read our guidelines and make the appropriate corrections before wasting our time asking for another review. Very low effort submission from a paid editor. See WP:BOGO. Sulfurboy (talk) 07:21, 25 July 2026 (UTC)
- Comment: See WP:CORPDEPTH qcne (talk) 09:53, 7 July 2026 (UTC)
- Comment: Also see WP:SOLUTIONS. Theroadislong (talk) 09:11, 7 July 2026 (UTC)
 | This article contains paid contributions. It may require cleanup to comply with Wikipedia's content policies, particularly neutral point of view. (July 2026) |
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| Type | Private |
|---|---|
| Industry | Computer security, Educational technology |
| Founded | 2017 |
| Founders | Haris Pylarinos, James Hooker, Aris Zikopoulos |
Area served | Worldwide |
| Services | Cybersecurity training software |
| Website | www |
Hack The Box is an online cybersecurity training company founded in 2017. The company develops virtual laboratories and instructional software used by individuals, academic institutions, corporate entities, and public sector agencies for information security education.[1]
History
[edit]Hack The Box was incorporated on September 1, 2017, by Haris Pylarinos, James Hooker, and Aris Zikopoulos, with original operations based in Kent, United Kingdom.[2][3] The platform initially operated on a freemium model directed at individual users practicing penetration testing methodologies.[3] During its early operational phase, user account creation was gated behind a mandatory authentication challenge; prospective users were required to identify and exploit an intentional client-side vulnerability within the web page's JavaScript API to generate a valid registration invite code.[4]
The company raised $10.6 million in a Series A funding round led by Paladin Capital Group in April 2021.[5] In January 2023, the company closed a $55 million Series B investment round led by the global investment firm Carlyle, intended to expand its enterprise and business-to-business infrastructure features.[1][6]
In September 2025, Hack The Box acquired LetsDefend, an interactive defensive cybersecurity training platform specializing in security operations center simulation environments, for an undisclosed sum.[7]
The Platform
[edit]Hack The Box operates a web-based infrastructure providing simulated computer environments where users identify software vulnerabilities, complete cryptographic exercises, and analyze malicious code network logs.[8] The software includes self-directed learning modules, multi-day practical examination formats, and structured cyber ranges for institutional assessment.
The infrastructure has been utilized by external organizations for workforce capability testing and recruitment benchmarking.[9] Public sector entities, including the UK's Nuclear Decommissioning Authority (NDA), and corporate institutions have used the company's frameworks to host regional cybersecurity competitions and sector-readiness simulations.[10][11]
References
[edit]- ^ a b Lunden, Ingrid (January 24, 2023). "Hack The Box, a gamified cybersecurity training platform with 1.7M users, raises $55M". TechCrunch. Retrieved July 14, 2026.
- ^ "White & Case advises Carlyle on Series B investment round in Hack The Box" (Press release). White & Case. January 17, 2023. Retrieved July 14, 2026.
- ^ a b "Hack The Box Raises $55M Series B Led by Carlyle". Marathon Venture Capital. January 11, 2023. Retrieved July 14, 2026.
- ^ Nock, Oliver; Starkey, Jonathan; Angelopoulos, Constantinos Marios (September 2020). "Addressing the Security Gap in IoT: Towards an IoT Cyber Range". Sensors. 20 (18): 5439. doi:10.3390/s20185439.
- ^ Lunden, Ingrid (April 21, 2021). "Hack The Box raises $10.6M for its gamified cybersecurity training platform". TechCrunch. Retrieved July 14, 2026.
- ^ "Hack the Box Secures $55 Million in Series B Funding Led by Carlyle". Dark Reading. January 11, 2023. Retrieved July 14, 2026.
- ^ Panettieri, Joe (September 16, 2025). "Hack The Box Expands Cybersecurity Upskilling with LetsDefend Acquisition". MSSP Alert. Retrieved July 14, 2026.
- ^ Nihill, Caroline (May 14, 2026). "How a marketing professional changed course for cybersecurity". IT Brew. Retrieved July 14, 2026.
- ^ "Hack The Box Starts the Year off Strong with an Investment Round of $55 Million". Endeavor Greece. January 10, 2023. Retrieved July 14, 2026.
- ^ "NDA hosts competition to find cyber experts of the future". GOV.UK. Nuclear Decommissioning Authority. September 5, 2023. Retrieved July 14, 2026.
- ^ "Lloyds: AI critical to getting ahead of cyber attackers". The Banker. May 1, 2026. Retrieved July 14, 2026.
Category:2017 establishments in the United Kingdom Category:Computer security companies of the United Kingdom Category:Educational technology companies Category:Private companies of the United Kingdom
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