SimSpace is an innovative cyber security platform for enabling risk reduction through operational quantification, testing, and training. No other organization has Simspace’s depth of experience in creating high fidelity cyber ranges with unique user and adversary emulation techniques designed to stress people, process, and technology across individual and team-level training exercises, attack simulations, mission rehearsals, and product evaluations. SimSpace's mission is to provide an automated, cost-effective evaluation method for calculating cyber risks based on realistic, comprehensive assessments of holistic capability to yield more secure networks globally.
Location: United States
Employees: 51-200
Phone: +1 617-237-6223
Total raised: $84M
Founded date: 2015
Investors 2
| Date | Name | Website |
| 05.06.2023 | Arsenal Gr... | arsenalgro... |
| - | Wells Farg... | accelerato... |
Funding Rounds 2
| Date | Series | Amount | Investors |
| 30.10.2025 | - | $39M | Communitas... |
| 21.12.2023 | - | $45M | - |
Mentions in press and media 22
| Date | Title | Description |
| 24.04.2026 | Rilian: $17.5 Million In Seed Funding Raised To Advance Agentic AI For Cyber And Defense Operations | Rilian, a McLean, Virginia-based provider of AI-native cybersecurity and defense systems integration, has raised $17.5 million in seed and seed extension funding to expand its agentic AI platform across the United States, Gulf Cooperation C... |
| 25.12.2025 | 12 Days of Startups: A Dozen Of The Best And Most Exciting For December 2025 | December is usually a time for looking back, but it’s also one of the best moments to look ahead. As 2025 draws to a close, a new wave of startups is quietly shaping what the next chapter of technology, business and everyday life might look... |
| 20.12.2025 | SimSpace expands cyber range to train for AI-led attacks | - |
| 11.12.2025 | 12 Days of Startups: Day 3, SimSpace | Startup name: SimSpace Website: https://simspace.com/ Tell Us About SimSpace SimSpace was founded on a simple yet increasingly urgent insight: cybersecurity suffers from a train–test gap. Training defenders is essential, but without rigorou... |
| 01.11.2025 | SimSpace Secures $39 Million: Bolstering AI Cyber Resilience | SimSpace secures $39 million in new funding. The investment bolsters its advanced AI-powered cyber range technology. Funds drive aggressive global expansion and critical product innovation. SimSpace directly counters sophisticated AI-driven... |
| 30.10.2025 | SimSpace Raises $39M in Funding | SimSpace, a Boston, MA-based provider of realistic, intelligent cyber range for elite cybersecurity organizations, raised $39m in a combination of debt and equity funding. Backers included new investors BTG Pactual U.S. Private Credit Inves... |
| 29.10.2025 | SimSpace: $39 Million Raised For Expanding AI Cyber Range Capabilities | SimSpace, a Boston-based cybersecurity company specializing in realistic and intelligent cyber ranges, has secured $39 million in new funding through a combination of debt and equity. The round includes participation from new investors BTG ... |
| 28.10.2025 | SimSpace Receives $39M Financing Round | BOSTON, MA, SimSpace, the realistic, intelligent cyber range for elite cybersecurity organizations, today announced it has raised $39 million in new funding. >> Click here for more funding data on SimSpace >> To export SimSpace... |
| 04.04.2025 | Commvault & SimSpace launch cyber recovery training | - |
| 04.11.2024 | L2 Point Management: Nearly $460 Million Raised For Structured Equity Strategy | L2 Point Management, a private investment firm that provides innovative capital solutions to growth-stage companies, announced the closing of its inaugural structured equity fund, L2 Point Opportunities I, L.P., at about $312 million, surpa... |
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