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Hack The Box builds a platform for practical cybersecurity learning and recruitment. It provides a library of hands-on labs, gamified challenges, and capture-the-flag exercises that users can access through a freemium model—free for basic content with paid upgrades for advanced features. Users practice real-world security tasks in controlled environments, improving skills by doing rather than reading. The platform also serves as a talent pipeline, helping businesses identify and recruit cybersecurity professionals from a pool of proven, practical skills. What makes HTB stand out is its gamified approach (labs, CTFs, and features like Hacker of the Month) that makes learning engaging and goal-oriented. Ultimately, HTB aims to educate individuals, support organizations in strengthening their security teams, and connect skilled practitioners with employers.
Industries
Enterprise Software
Cybersecurity
Education
Company Size
1,001-5,000
Company Stage
Series B
Total Funding
$69.5M
Headquarters
Folkestone, United Kingdom
Founded
2017
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Total Funding
$69.5M
Above
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Funded Over
4 Rounds
Industry standards
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Health Savings Account/Flexible Spending Account
Paid Vacation
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401(k) Company Match
Home Office Stipend
Conference Attendance Budget
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Hack The Box, a global AI cybersecurity readiness platform with over 800 enterprise customers and 4.3 million security professionals, has appointed Konstantinos Dolkas as Chief Technology Officer and promoted Christine Bartlett to Chief Marketing Officer. Dolkas brings nearly 20 years of executive technology leadership experience across cybersecurity and SaaS. He previously served as CTO at OWNR Deutschland GmbH and holds a Ph.D. in cloud computing architecture from the National Technical University of Athens. As CTO, he will oversee HTB's engineering organisation and technology strategy. Bartlett joined HTB as Vice President of Marketing in 2025. As CMO, she will lead the company's global marketing organisation and oversee brand, communications, and go-to-market strategy. The appointments aim to support HTB's expansion across enterprise, government, and managed security service provider markets.
Hack The Box has been named a Leader in The Forrester Wave: Cybersecurity Skills and Training Platforms, Q1 2026. The AI-powered cybersecurity readiness platform received the highest possible scores in 13 evaluation criteria, including agentic AI readiness, gamification and learner experience. The company has raised $295 million to date and serves over 4 million members and 800 enterprise customers, including Fortune 500 companies and government agencies. HTB recently launched AI Range, a cyber range for testing autonomous AI security agents, and Threat Range, an enterprise crisis simulation platform. The company also acquired LetsDefend to strengthen its defensive training capabilities. Forrester's report notes HTB's "future-focused" innovation strategy around AI security, emerging threats and operational readiness, calling it "a strong fit" for organisations preparing teams for AI-augmented security environments.
Hack The Box Ltd. has acquired LetsDefend Inc., a blue team training platform provider, for an undisclosed amount. LetsDefend, founded in 2021, offers an interactive platform focused on developing defensive cybersecurity skills. Unlike platforms that emphasize offensive training, LetsDefend provides hands-on defensive experience in a simulated security operations center, allowing users to investigate various simulated cyber incidents.
ASHBURN, Va., March 8, 2024 /PRNewswire/ -- In honor of Women's History Month and International Women's Day, PlayCyber by Katzcy is addressing the ongoing gender gap in the global cybersecurity market by announcing the "Wicked6 Initiative." Wicked6 is a 24-hour, virtual global hack and chat event for women that provides a platform for skills development, networking, and empowerment. Wicked6 takes place March 29–30, 2024.Empowering Women in Cybersecurity Through eSports: The Wicked6 InitiativeDesigned for individuals of all skill levels, the event grants women access to six (6) cyber game platforms and encourages them to try, as an individual or group, a game for cyber career skills development. The 2024 platforms are Hack The Box, Haiku, InspireTech, MetaCTF, U.S. Cyber Range of Virginia Tech, and the Women's Society of Cyberjutsu.Event sponsors include Google, Protegrity, SpecterOps, and QryptoCyber."Cybersecurity games provide a unique 'Learn to Play, Play to Learn' approach by teaching individuals how to play cybersecurity-related games," explains Jessica Gulick, CEO of Katzcy. "Players take on more complexity as they play. Cyber games offer a lifelong eSport where players can safely keep their cyber offense and defense skills sharp throughout their careers."Over a 24-hour period, attendees will listen to and engage with female cybersecurity professionals from around the world including Camille Stewart Gloster, Esq, Deputy National Cyber Director, Technology & Ecosystem Security, The White House, USA; Kana Shinoda, Organizer of CODE BLUE from Japan; Marina Ciavatta, Social Engineer & Cybersecurity Awareness Instructor from Brazil; Confidence Staveley, Cybersecurity Leader & Author from Africa; Simbiat Sadiq, Cybersecurity Consultant at BDO Ireland; and Dr
The Department of Science, Information and Technology (DSIT) in partnership with Infosecurity Europe, the most influential information security event, have today unveiled the shortlist for the UK’s Most Innovative Cyber SME 2023 contest. As part of Infosecurity Europe’s focus on innovation, the competition aims to spotlight micro, small and medium cybersecurity businesses as they showcase the newest cybersecurity tech and solutions.Fourteen of the UK’s most creative and original information security businesses have been selected as finalists in the annual hunt for the UK’s Most Innovative Cyber SME. Now in its eighth year, Infosecurity Europe have once again partnered with DSIT for the prestigious event.The DSIT competition, which is judged by a panel of cybersecurity experts, will see the winner, and the 13 runners up, invited to join the Cyber Innovation Zone at Infosecurity Europe 2023, which will take place on 20-22 June 2023 at ExCeL London. The winner will be announced at the event and will receive a feature piece in Infosecurity Magazine. All finalists will also receive an event stand, showcase speaking slots and a marketing package.Nicole Mills, Exhibition Director at Infosecurity Group, comments: “The DSIT competition is an important part of the Infosecurity Europe event. It’s about bringing new and innovative companies to the fore and providing a steppingstone to showcase solutions and highlight the ongoing need for innovation in the industry
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Industries
Enterprise Software
Cybersecurity
Education
Company Size
1,001-5,000
Company Stage
Series B
Total Funding
$69.5M
Headquarters
Folkestone, United Kingdom
Founded
2017
Find jobs on Simplify and start your career today