NightDragon Security
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NightDragon Security

https://nightdragon.com
Last activity: 05.08.2026
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Invests in categories: BusinessCloudCybersecurityDataEnterpriseManagementPlatformSecuritySoftwareTechnology
NightDragon is an investment and advisory firm focused on investing in growth and late-stage companies within the cybersecurity, safety, security, and privacy industry. NightDragon is unique in providing deep operational expertise in cybersecurity gained by its founders Dave DeWalt and Ken Gonzalez from years serving as senior executives leading technology companies such as Documentum, EMC, Siebel Systems (Oracle), McAfee, Mandiant, Avast, and FireEye.
Portfolio
28
Mentions
82
Location: United States, California, San Francisco
Employees: 11-50
Founded date: 2018
Investment Type: Venture Capital
Investment Stage: Series B; Series C; Series D; Series E; Series F; Series G; Series H

Portfolio 28

DateNameWebsiteTotal RaisedLocation
03.08.2026Horizon3.a...horizon3.ai$428.5MUnited Sta...
20.05.2026Armada Sys...armada.ai$456MUnited Sta...
20.03.2025Dataminrdataminr.com$1.05BAustralia,...
07.12.2021LogDNAlogdna.com$108.38MUnited Sta...
17.04.2021HawkEye 36...he360.com$962MUnited Sta...
12.04.2021SafeGuard ...safeguardcyber.com$45MUnited Sta...
09.04.2021HUMANhumansecurity.com$150MUnited Sta...
14.01.2021Premisepremise.com$146MUnited Sta...
05.01.2021WHITEOPSwhiteops.com$27MUnited Sta...
06.10.2020Onapsisonapsis.com$144MUnited Sta...
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Mentions in press and media 82

DateTitleDescription
05.08.2026Horizon3 Fuels AI Cybersecurity Future with $250M InvestmentHorizon3, an AI-native cybersecurity trailblazer, closed a monumental $250 million Series E funding round. This landmark investment catapults the company's valuation beyond $2 billion, tripling its worth in one year. Funds will fuel aggress...
04.08.2026Deals in brief: Bundle raises pre-seed funding, Temus acquires Thinking Machines, nine China investments, and moreBundle raises USD 5.5 million to expand networked rewards platform across Asia Bundle, a networked rewards platform, has raised USD 5.5 million in a pre-seed funding round co-led by Ethereal Ventures and Further Ventures. The company enable...
03.08.2026Horizon3 Raises $250M in Series E FundingHorizon3, a San Francisco, CA-based provider of an AI-native proactive security platform, raised $250M in Series E funding, at over $2 Billion valuation. The round was co-led by NightDragon and NEA with participation from Acrew Capital, Blu...
03.08.2026Venture Capital & Startup Funding Roundup, August 3, 2026: Atreides, Battery Ventures, NEA, Sequoia, Point72 & MoreOver the past day, investors have plowed into the underlying hardware and infrastructure needed to power the AI boom. The largest rounds are pushing capital toward real-world enablers: for example, El Segundo–based Valar Atomics raised $1 b...
03.08.2026Horizon3 Raises $250 Million to Expand AI-Powered Cybersecurity PlatformHorizon3 Raises $250 Million To Advance AI-Driven Cybersecurity Horizon3, an AI-powered cybersecurity firm based in San Francisco, raised $250 million in Series E funding, which it said would be used to further its international platform gr...
03.08.2026Horizon3 raises $250M at $2B+ valuation as AI cyberattacks fuel cybersecurity demandHorizon3 has raised $250 million in fresh funding at a valuation of more than $2 billion, more than tripling what the cybersecurity company was worth just over a year ago as businesses race to defend their networks against a new generation ...
03.08.2026Horizon3.ai raises $250M at $2B-plus valuation for autonomous pentestingAutonomous security solutions startup Horizon3.ai Inc. today announced it has raised $250 million in a Series E round on a valuation of more than $2 billion to build out its sales operation and expand into Australia and Singapore. Horizon3....
03.08.2026Top Tech News Today, August 3, 2026: Alibaba, Amazon, AMD, Apple, Microsoft, Nvidia & MoreIt’s Monday, August 3, 2026, and the tech world just hit another inflection point. Chinese labs dropped frontier models that undercut Western pricing, regulators in Europe and California flipped the switch on real enforcement, AI agents kep...
23.05.2026Armada Secures $230M to Command Global AI Infrastructure LeadershipArmada secured $230 million in Series B funding, propelling its valuation to $2 billion. This capital fuels aggressive deployment of modular AI infrastructure. It also expands U.S. manufacturing capabilities for sovereign AI systems. The co...
20.05.2026Armada: $230 Million Series B Raised To Scale Modular AI Infrastructure And U.S. AI ManufacturingArmada announced a $230 million oversubscribed Series B round at a $2 billion pre-money valuation to accelerate deployment of modular AI infrastructure and expand domestic manufacturing capacity for sovereign AI systems. The funding round w...
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