Top 10 Cybersecurity Capital Raises and Investors in the U.S. – November 16th – December 31st, 2025
Several interesting transactions closed in the Cybersecurity sector over the past month. If you would like more info on these deals or would like to discuss the capital raising market for your company, please contact me.
PE Growth/Expansion
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- PKI Solutions, consulting, designing, deploying and operating the public key infrastructure that assists clients with cybersecurity monitoring software received a development capital from Arthur Ventures.
PE Growth/Expansion
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- Cycurion, information technology security solutions through its subsidiaries that continually strives to deliver top-notch services in risk management, cybersecurity, information assurance, systems engineering, and help desk solutions received $6 million of development.
Buyout/LBO
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- Metrostar Systems, digital transformation and information technology services that serves government, defense, and national security sectors was acquired by Veritas Capital Fund Management through an LBO.
Merger/Acquisition
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- Intrust IT, an Information Technology support and cybersecurity services company for manufacturing, construction, healthcare, banking, and government industries was acquired by 3LS.
Later Stage VC
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- SpecterOps, cybersecurity software that protects and defends the system’s operational data from advanced attacks raised $30 million of Series B2 venture funding.
- Cloverleaf Networks, an internet service provider firm that provides fully managed, secure, cloud-optimized connectivity services for remote, hybrid, and multi-site businesses raised a venture funding from Super K Ventures.
Early Stage VC
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- Quantum Defen5e, a cybersecurity technology company that provides data protection and information sovereignty raised $2.6 million of venture funding.
- Rilian, cybersecurity software that enhances global security by addressing emerging cyber threats and vulnerabilities raised $10 million of venture funding in a combination of Series Seed and Series Seed 2.
Accelerator/Incubator
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- Raspire, mobile application protection technology that secures Android and iOS apps joined 500 Global and Sanabil 500 MENA Seed Accelerator and received a funding.
Seed Round
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- Symposia, an end-to-end intelligence platform that delivers cybersecurity trust services and hands-on education to global industry leaders raised $2.07 million of seed funding.
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Rebecca Lacy
Managing Director
More than 30 years positioning companies for growth. She began her career as a retail business owner then transitioned to McDonnell Douglas/Boeing where she worked to help small businesses gain significant market share. This included advocating at the federal level for legislation to facilitate competition for small businesses. Helped businesses secure non-traditional funding through grants, as well IP and equipment donations. Served in a board or advisory capacity for several economic development organizations. Transitioned to business ownership where she and her team created diagnostic tools and training that helped companies function with greater efficiency and flexibility. Domestic and international clients ranged from start-ups to multi-national corporations from a broad array of industries, government agencies and not-for-profits. B.A. in Public Administration, MBA from Western International University. FINRA Series 7 and 63 licenses.
- Email: rlacy@castleplacement.com
- (C) (573) 880-2974
Rebecca Lacy
Managing Director
Please contact me if you have any questions or would like to discuss your capital raise:
Email: rlacy@castleplacement.com
(C) (573) 880-2974
Send us a message:
Sources: Information on this page was derived from a variety of sources including Bloomberg, Company Websites, Crunchbase, PitchBook and other news outlets. Castle Placement® does not warrant or guarantee this information, nor makes any representations as to the accuracy of the information. For more Risks, see CPGO Risks and Disclaimers.
