| Date | Title | Description |
| 18.08.2026 | Horizon3 Raises $250 Million Series E |
SAN FRANCISCO, CA, Horizon3, a cybersecurity company, has raised a $250 million Series E at a valuation exceeding $2 billion.
>> Click here for more funding data on Horizon3.ai
>> To export Horizon3.ai funding data to PDF and E... |
| 10.08.2026 | Multiplier Secures $35M to Propel AI-Powered Professional Services Transformation | Multiplier secured $35M in Series B funding. The company acquires specialist professional services firms. It integrates bespoke AI tools. This strategy boosts operational efficiency. It preserves human expertise. Firms maintain autonomy, br... |
| 05.08.2026 | Horizon3 Fuels AI Cybersecurity Future with $250M Investment | Horizon3, 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... |
| 04.08.2026 | Deals in brief: Bundle raises pre-seed funding, Temus acquires Thinking Machines, nine China investments, and more | Bundle 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... |
| 04.08.2026 | Multiplier Raises $35 Million To Expand AI-Powered Professional Services Platform | Multiplier Raises $35 Million To Accelerate AI Growth
Multiplier has raised $35 million in Series B funding to expand its AI-powered professional services platform. The round was led by The General Partnership. Existing investors Ribbit Cap... |
| 03.08.2026 | Horizon3 Raises $250M in Series E Funding | Horizon3, 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... |
| 03.08.2026 | Horizon3 raises $250M at $2B+ valuation as AI cyberattacks fuel cybersecurity demand | Horizon3 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 ... |
| 03.08.2026 | Horizon3.ai raises $250M at $2B-plus valuation for autonomous pentesting | Autonomous 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.... |
| 03.08.2026 | Top Tech News Today, August 3, 2026: Alibaba, Amazon, AMD, Apple, Microsoft, Nvidia & More | It’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... |
| 03.08.2026 | Horizon3 Raises $250 Million to Expand AI-Powered Cybersecurity Platform | Horizon3 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... |
| 03.08.2026 | Venture Capital & Startup Funding Roundup, August 3, 2026: Atreides, Battery Ventures, NEA, Sequoia, Point72 & More | Over 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... |
| 03.08.2026 | Horizon3 Raises $250M Series E at $2B+ Valuation to Lead the “AI vs. AI” Cybersecurity Era | - |
| 03.08.2026 | Autonomous Pentesting Hits $2 Billion Valuation as AI Models Breach Real Infrastructure | By Jerry Owens
Published: Aug 03 2026, 1:13 PM EDT
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| 03.08.2026 | Horizon3 Raises $250 Million At More Than $2 Billion Valuation As ARR Jumps 120% | Horizon3 has raised $250 million in an oversubscribed Series E financing round at a valuation exceeding $2 billion. The valuation is more than three times the $650 million valuation Horizon3 received during its Series D financing slightly m... |
| 29.07.2026 | Horizon3’s NodeZero® AI Hacker Extends Production-Safe Autonomous Pentesting to Web Applications | - |
| 21.01.2026 | ТОП-5 ИБ-событий недели по версии Jet CSIRT | Сегодня в ТОП-5 — VoidLink — скрытая облачная платформа для создания вредоносного ПО под Linux, новый способ атаки ConsentFix, критическая уязвимость Node.js может вызывать сбои серверов, критическая уязвимость в FortiSIEM позволяет захвати... |
| 14.01.2026 | Horizon3.ai Secures Investment From Prosperity7 Ventures To Protect AI Datacenters And Critical Infrastructure | Horizon3.ai announced it has received an investment from Prosperity7 Ventures, the diversified venture fund of Aramco Ventures, as the offensive security company looks to accelerate efforts to safeguard AI datacenters and other critical inf... |
| 18.11.2025 | Horizon3.ai Enhances NodeZero® Platform to Empower Enterprises to Prioritize Their Most Business-Critical Cyber Risks | - |
| 23.10.2025 | Tech Data & Horizon3.ai partner to boost APJ cyber resilience | - |
| 11.09.2025 | Scot-Secure West 2025 | Traditional Pentests Are Outdated by Design | AJ Nurcombe, senior solutions architect at Horizon3.ai, opened his Scot-Secure West keynote by owning a familiar failure: “I was the first and I was the last line of defence and I was frankly the human firewall. And to be honest and to be f... |
| 16.06.2025 | Horizon3.ai: $100 Million Raised For Autonomous Security Platform | Horizon3.ai, which is the company behind the NodeZero Autonomous Security Platform, announced a $100 million Series D funding round led by NEA, with participation from SignalFire, Craft Ventures, and 9Yards Capital.
NodeZero: NodeZero has s... |
| 11.06.2025 | Horizon3.ai Raises $100M in Series D Funding | Horizon3.ai, a San Francisco, CA-based NodeZero autonomous security platform provider, raised $100M in Series D funding.
The round was led by NEA, with participation from SignalFire, Craft Ventures and 9Yards Capital. As part of the investm... |
| 10.06.2025 | Horizon3.ai secures $100M to expand partner reach and federal adoption
Your vote of support is important to us and it helps us keep the content FREE.
One click below supports our mission to provide fr... | Autonomous security solutions startup Horizon3.ai Inc. today announced it has raised $100 million in new funding to scale up its partner ecosystem, expand platform capabilities and accelerate adoption in the U.S. federal market.
The company... |
| 10.06.2025 | Horizon3.ai Pulls In $100M Series D Round |
SAN FRANCISCO, CA, Horizon3.ai, the company behind the NodeZero® Autonomous Security Platform, today announced a $100 million Series D funding round.
>> Click here for more funding data on Horizon3.ai
>> To export Horizon3.ai ... |
| 09.04.2025 | SignalFire's $1 Billion Bet on AI: A New Era for Venture Capital | In the bustling heart of San Francisco, a venture capital firm is making waves. SignalFire has just raised a staggering $1 billion, bringing its total assets under management to $3 billion. This is not just a financial milestone; it’s a bol... |
| 08.04.2025 | SignalFire: Over $1 Billion Raised To Advance Next Wave of Applied AI Startups | SignalFire, a leading early-stage venture capital firm focused on applied AI, announced it has raised over $1 billion to fund the next generation of technology startups, bringing its total assets under management (AUM) to about $3 billion.
... |
| 07.04.2025 | SignalFire Closes On $1B To Invest In Applied AI | 3 Shares Email Facebook Twitter LinkedIn
Bay Area-based SignalFire, a data-driven venture firm, has raised $1 billion for its fifth and largest fund, which it will invest in applied AI companies.
We spoke with founder Chris Farmer on the fi... |
| 03.03.2025 | National Politics | Hegseth orders suspension of Pentagon’s offensive cyberoperations against Russia | “I want us to have all of the tools necessary to go on offense against our adversaries in the cyber community,” Ratcliffe said.
Cyber Command oversees and coordinates the Pentagon’s cybersecurity work and is known as America’s first line of... |
| 10.09.2024 | Unveiling NodeZero Tripwires™: Horizon3.ai Enhances Penetration Testing with Integrated Threat Detection | An Early Warning System Derived from Pentest Results
SAN FRANCISCO–(BUSINESS WIRE)–September 10, 2024–
Horizon3.ai, a global leader in autonomous security solutions, today unveiled NodeZero Tripwires™, an addition to its product suite that ... |
| 30.07.2024 | Horizon3.ai Launches NodeZero™ Cloud Pentesting to Transform Cloud Security | Advanced Solution Identifies Complex Vulnerabilities Across AWS and Azure Environments, Ensuring Comprehensive Cloud Security for Organizations of All Sizes
SAN FRANCISCO–(BUSINESS WIRE)–July 30, 2024–
Horizon3.ai, a leading provider of aut... |
| 10.04.2024 | Трендовые уязвимости марта: обновляйтесь и импортозамещайтесь | Хабр, привет! Я Александр Леонов, и мы с командой аналитиков Positive Technologies каждый месяц изучаем информацию о недостатках безопасности из баз, бюллетеней безопасности вендоров, социальных сетей, блогов, телеграм-каналов, баз эксплойт... |
| 11.03.2024 | Horizon3.ai Unveils Pentesting Services for Compliance Ahead of PCI DSS v4.0 Rollout | Revolutionizing Delivery of Manual Pentesting for Compliance, World-Class Pentesting Experts Equipped with NodeZero’s Speed and Scale Meet Rigorous PCI DSS v4.0 Requirements OSCP Certified Penetration Testing Experts Teamed with Continuous ... |
| 06.11.2023 | Самые громкие события инфобеза за октябрь 2023 года | Всем привет! Как обычно, подводим итоги ушедшего месяца дайджестом самых примечательных ИБ-новостей. В октябре почти все популярные дистрибутивы под Линукс оказались под угрозой двух критических уязвимостей, а десятки тысяч роутеров и свитч... |
| 25.10.2023 | VMware warns admins of public exploit for vRealize RCE flaw | Identified as CVE-2023-34051 in a recent advisory, the high-severity remote code execution (RCE) flaw (CVSS score 8.1) can potentially allow unauthorised individuals to execute code with root privileges, provided they have already compromis... |
| 24.10.2023 | Cisco Patches 2 Dangerous Zero-Day Vulnerabilities | Image: mehaniq41/Adobe Stock
Cisco has patched two zero-day vulnerabilities that exposed Cisco IOS XE system software hosts to attackers. These vulnerabilities affected devices running the Cisco IOS XE software, such as routers and switches... |
| 11.09.2023 | ТОП-5 ИБ-событий недели по версии Jet CSIRT | Сегодня в ТОП-5 — модификация бэкдора Android.Pandora, исправление критичных уязвимостей в новом обновлении Android, новые уязвимости Apache Superset, фишинговая кампания с вирусом Agent Tesla, распространение вредоносного ПО RedEyes в форм... |
| 15.08.2023 | ТОП-5 ИБ-событий недели по версии Jet CSIRT | Сегодня в ТОП-5 — критическая уязвимость PaperCut, новый вектор атаки на процессоры Intel, большой пакет исправлений от Microsoft, новая версия криптомайнера SkidMap, новый стиллер Statc. Новости подготовил аналитик центра информационной бе... |
| 08.08.2023 | Horizon3.ai raises $40M to build out its enterprise-wide proactive security platform
Your vote of support is important to us and it helps us keep the content FREE.
One-click below supports our missi... | Autonomous security solutions startup Horizon3.ai Inc. today announced that it had raised $40 million in new funding to build out its enterprise-wide proactive security platform and expand channel and partner presence.
Founded in 2019 by fo... |
| 08.08.2023 | Horizon3.ai Raises $40M in Series C Funding | Horizon3.ai, a San Francisco, CA-based provider of autonomous security solutions, raised $40M in Series C funding.
The round was led by Craft Ventures with participation from Signal Fire.
The company, which has raised a total of $78.5M to d... |
| 08.08.2023 | Horizon3 secures $40M to expand its pen testing platform | Cybersecurity funding is falling after enjoying impressive heights in the last few years. According to Crunchbase, VC financing for security declined to just over $1.6 billion in Q2 2023, marking a 63% drop compared to the same quarter last... |
| 25.04.2023 | PaperCut says hackers are exploiting ‘critical’ security flaws in unpatched servers | Print management software maker PaperCut says attackers are exploiting a critical-rated security vulnerability to gain access to unpatched servers on customer networks.
PaperCut offers two print management products, PaperCut NG and PaperCut... |
| 24.04.2023 | Exploit released for 9.8-severity PaperCut flaw already under attack | Enlarge
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Exploit code for a critical printer software vulnerability became publicly available on Monday in a release that may exacerbate... |
| 15.03.2023 | Daily AI Roundup: Biggest Machine Learning, Robotic And Automation Updates 15th March 2023 | This is our AI Daily Roundup . We are covering the top updates from around the world. The updates will feature state-of-the-art capabilities in artificial intelligence (AI), Machine Learning, Robotic Process Automation, Fintech, and human-s... |
| 14.03.2023 | Horizon3.ai’s NodeZero Analytics Unleashes and Extends the Power of NodeZero’s Advanced Pentesting and Analysis | Yields Deeper Insights, and Answers the Top Questions Every CISO and Security Team Ask: “What’s Exposed?” “What Needs to Be Fixed First?” and “How Will We Do More With Less?”
Horizon3.ai, a leading cybersecurity firm specializing in autonom... |
| 23.02.2023 | A world of hurt for Fortinet and ManageEngine after users fail to install patches | Enlarge reader comments 19 with
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Organizations around the world are once again learning the risks of not installing security updates as multiple threat actors race to exploi... |
| 05.11.2021 | Horizon3.ai Raises $30M Series B to Disrupt the Pentesting Market | Horizon3.ai, a cybersecurity startup focused on autonomous penetration testing,announced $30M in funding. Co-founded by former Splunk CTO, Snehal Antani, and Anthony Pillitiere, former Deputy CTO within the U.S. Special Operations Command, ... |
| 02.11.2021 | Horizon3.ai Pulls In $30M Series B |
SAN FRANCISCO, CA, Horizon3.ai, a cybersecurity startup focused on autonomous penetration testing, today announced $30 million in funding.
>> Click here for more funding data on Horizon3.ai
>> To export Horizon3.ai funding d... |
| 05.10.2021 | Horizon3.ai : Named a Winner of The Pitch 2021 By Constellation Research | SAN FRANCISCO, Oct. 5, 2021 /PRNewswire/ -- Horizon3.ai today announced it was named a first-place winner of The Pitch, a new competition for enterprise startups hosted by Constellation Research. The industry wide two-day event brought toge... |
| 08.09.2021 | Horizon3.ai Named a Finalist in The Pitch by Constellation Research | |
| 08.09.2021 | Horizon3.ai : Named a Finalist in The Pitch by Constellation Research | SAN FRANCISCO, Sept. 8, 2021 /PRNewswire/ -- Horizon3.ai was named a finalist in The Pitch, a new Constellation event recognizing exceptional startups in enterprise tech.
"It is an honor to have Horizon3.ai selected as a finalist in Th... |
| 24.06.2021 | Horizon3.ai Launches Certified Partner Program For Automated Penetration Testing-as-a-Service | Liberman Networks joins the program as the first NodeZero Certified Partner
Horizon3.ai, a U.S.-based cybersecurity firm focused on automated penetration testing-as-a-service launched the NodeZero Certified Partner program, also announcing ... |
| 08.06.2021 | Horizon3.ai Raises $8.5M to Disrupt the Cybersecurity Assessments Market | |
| 08.06.2021 | What the Tuesday morning internet outage tells us | This is the web version of Term Sheet, a daily newsletter on the biggest deals and dealmakers. Sign up to get it delivered free to your inbox.
A lot of high-traffic websites had a bad morning Tuesday, and there’s a good chance you ran into ... |
| - | Horizon3.ai | “Horizon3.ai enables organizations to continuously assess the security posture of their enterprise across many attack surfaces.” |
| - | Horizon3.ai: Autonomous Security Solutions Company Closes $40 Million In Funding | Horizon3.ai – a leading provider of autonomous security solutions – recently announced $40 million in Series C funding led by Craft Ventures with participation from Signal Fire. The company has seen 3x customer growth year-over-year. And Ho... |
| - | Horizon3.ai | “Horizon3.ai uses real-world attacks to safely show what attackers can actually do in your environment—so you can fix and prove what matters.” |
| - | Horizon3.ai | “Continuously assess, fix, and verify your security posture. Securing enterprises across many attack surfaces.” |
| - | ConnectWise patches critical ScreenConnect vulnerability | ConnectWise has disclosed two vulnerabilities, one critical, in its ScreenConnect remote desktop application.
The critical bug, CVE-2024-1709, was described by security company Horizon3 in an X post as “extremely trivial” to exploit.
CVE-20... |
