ClearSky

ClearSky is a venture capital firm founded in 2012, headquartered in Palm Beach, Florida, with additional offices in New York, Boston, and San Francisco. The firm specializes in growth capital and growth equity investments, focusing on innovative companies across various sectors. ClearSky operates two primary lines of funds: ClearSky Power and Technology, which targets investments in technology and services for enterprise customers, particularly in the power sector, and ClearSky Security, which invests in companies providing transformative solutions for cybersecurity, industrial security, and critical infrastructure. The firm's investment strategy encompasses both early-stage ventures and late-stage service providers, with an emphasis on technologies that drive energy transformation and sustainability.

James Huff

Co-Founder, Managing Partner and Member of the Investment Committee

David Kaiserman

Venture Partner

Guy Nizan

Venture Partner

Bernard Noble

Managing Director

Robert Rauch

Partner

Howard Shecter

Executive Partner

Erik Straser

Partner and Member of the Investment Committee

Alex Weiss

Managing Director

Past deals in Penetration Testing

Phylum

Series A in 2022
Phylum is an early-stage startup focused on enhancing cybersecurity within the open-source ecosystem. The company develops a platform that helps developers identify and mitigate risks associated with third-party code. By utilizing an automated analysis engine, Phylum scans software packages as they are published, assessing and vetting them for potential vulnerabilities. The platform not only informs users of identified risks but also blocks potential attacks, integrating seamlessly into the software development lifecycle. This allows organizations to tailor risk scoring according to their specific security needs and maturity levels, ensuring a customized approach to application security.
Fortress Information Security LLC, based in Orlando, Florida, specializes in cybersecurity and supply chain risk management services, focusing on third-party vulnerability risk management for regulatory-driven industries such as power utilities, transportation, finance, and healthcare. Incorporated in 2015, Fortress assists clients in addressing emerging cyber threats by utilizing a comprehensive approach that combines technology, analytics, and services. Central to its offerings is the Fortress Platform, which provides clients with a consolidated view of risks across their digital ecosystems and facilitates continuous monitoring of third-party vulnerabilities. By leveraging advanced functions like automation and alerting, Fortress helps clients prioritize risks and enhance their security posture while ensuring compliance with regulatory standards. The company aims to streamline the process for organizations to manage cyber threats and improve operational resilience, ultimately safeguarding their assets and business processes.

FireEye

Post in 2020
FireEye, Inc. is a cybersecurity company that offers a comprehensive range of solutions to help organizations prepare for, prevent, investigate, respond to, and remediate cyber-attacks. Its product offerings include network, email, endpoint, and cloud security solutions, as well as the Helix Security Platform, which integrates data from various security assets. FireEye also provides specialized services such as Mandiant Managed Defense, which delivers technology-enabled detection and response, and Mandiant Digital Threat Monitoring, which assesses potential threats from the open and dark web. The company leverages its extensive experience and threat intelligence from a global network of experts to inform its solutions, ensuring they meet the evolving needs of its clients. FireEye serves a diverse clientele, including telecommunications providers, financial institutions, healthcare companies, and government agencies, distributing its services through a network of partners across multiple regions. Founded in 2004 and headquartered in Milpitas, California, FireEye continues to innovate in the cybersecurity landscape to address the complexities of modern threats.

Inky

Series B in 2020
Inky is a cyber-security company that secures email against phishing. It is a cloud-based email security platform that make Inky Phish Fence, an email protection gateway that uses sophisticated AI, machine learning, and computer vision algorithms to block deep sea phishing attacks that get through every other system. Inky Phish Fence can either quarantine suspicious emails or deliver them with disabled links and user-friendly warnings. It is easy to deploy for Office 365, Exchange, or G Suite. Inky was founded in 2008 and is headquartered in College Park, Maryland.

HUMAN

Venture Round in 2020
HUMAN is a cybersecurity company focused on safeguarding enterprises from bot attacks, thereby enhancing digital experiences for genuine users. The company employs its advanced Human Verification Engine to protect applications, APIs, and digital media from malicious bot activity, which can lead to significant financial losses and degrade user experience. HUMAN verifies over 10 trillion interactions weekly for major companies and internet platforms, ensuring that digital engagements are legitimate. Its solutions cover a range of sectors, including advertising, publishing, and enterprise, addressing various threats such as automated fraud, data scraping, and account takeovers. Founded in 2012 and headquartered in New York, with additional offices in Washington, D.C., London, and Victoria, HUMAN continues to innovate in the field of online security.

Accurics

Seed Round in 2020
Accurics, Inc. is a cybersecurity company that provides a platform designed to secure cloud-native infrastructure in hybrid and multi-cloud environments. Founded in 2019 and headquartered in Pleasanton, California, Accurics focuses on protecting organizations from potential security risks by scanning Infrastructure as Code for misconfigurations and policy violations prior to deployment. The platform not only identifies risks before provisioning but also monitors production environments for changes that could introduce vulnerabilities. This allows organizations to maintain compliance, governance, and security across their cloud infrastructure. Additionally, Accurics offers tools such as Terrascan, which are available for free and support the company's mission of enabling cyber resilience and self-healing capabilities in cloud-native environments.

ZeroNorth

Series A in 2020
ZeroNorth is a provider of risk-based vulnerability orchestration across applications and infrastructure. It provides a comprehensive and continuous view of risk and reduces costs associated with managing disparate technologies. The organizations that rely on software as a competitive advantage trust ZeroNorth to manage risks by orchestrating the continuous and comprehensive discovery and remediation of vulnerabilities.The company empowers customers to rapidly scale application and infrastructure security while integrating seamlessly into developer environments to simplify and verify remediation. ZeroNorth was founded in 2015 and is headquartered in Boston, Massachusetts, United States.

CyberGRX

Series D in 2019
CyberGRX is a cybersecurity company based in Denver, Colorado, that specializes in third-party cyber risk management. Its platform offers a comprehensive and cost-effective solution for organizations to identify, assess, mitigate, and monitor cyber risks associated with their entire partner ecosystem. By leveraging automation and advanced analytics, CyberGRX enables enterprises to collaboratively address threats arising from their reliance on vendors, partners, and customers. The platform provides a scalable approach that streamlines third-party cyber risk programs, delivering real-time decision-making capabilities and complete portfolio visibility. Through its innovative tools, CyberGRX helps organizations efficiently manage and mitigate risks, enhancing their overall cybersecurity posture.

Inky

Series A in 2019
Inky is a cyber-security company that secures email against phishing. It is a cloud-based email security platform that make Inky Phish Fence, an email protection gateway that uses sophisticated AI, machine learning, and computer vision algorithms to block deep sea phishing attacks that get through every other system. Inky Phish Fence can either quarantine suspicious emails or deliver them with disabled links and user-friendly warnings. It is easy to deploy for Office 365, Exchange, or G Suite. Inky was founded in 2008 and is headquartered in College Park, Maryland.

ZeroNorth

Series A in 2019
ZeroNorth is a provider of risk-based vulnerability orchestration across applications and infrastructure. It provides a comprehensive and continuous view of risk and reduces costs associated with managing disparate technologies. The organizations that rely on software as a competitive advantage trust ZeroNorth to manage risks by orchestrating the continuous and comprehensive discovery and remediation of vulnerabilities.The company empowers customers to rapidly scale application and infrastructure security while integrating seamlessly into developer environments to simplify and verify remediation. ZeroNorth was founded in 2015 and is headquartered in Boston, Massachusetts, United States.

CyberGRX

Series C in 2018
CyberGRX is a cybersecurity company based in Denver, Colorado, that specializes in third-party cyber risk management. Its platform offers a comprehensive and cost-effective solution for organizations to identify, assess, mitigate, and monitor cyber risks associated with their entire partner ecosystem. By leveraging automation and advanced analytics, CyberGRX enables enterprises to collaboratively address threats arising from their reliance on vendors, partners, and customers. The platform provides a scalable approach that streamlines third-party cyber risk programs, delivering real-time decision-making capabilities and complete portfolio visibility. Through its innovative tools, CyberGRX helps organizations efficiently manage and mitigate risks, enhancing their overall cybersecurity posture.

Capsule8

Series B in 2018
Capsule8, founded in 2016 and based in New York, specializes in cyber protection for Linux systems across various environments, including containerized, virtualized, and bare metal setups. The company offers Capsule8 Protect, a cutting-edge platform designed to detect and mitigate attacks and other malicious activities on Linux infrastructures in real-time. This solution enables enterprises to maintain security and resilience without human intervention, allowing them to modernize their operations while safeguarding against zero-day attacks. Backed by prominent investors such as Bessemer Venture Partners, ClearSky, and Intel Capital, Capsule8 aims to redefine enterprise protection for Linux-powered businesses.

Verodin

Series B in 2018
Verodin, Inc. is a software company based in Purcellville, Virginia, focused on enhancing cybersecurity effectiveness for organizations. Incorporated in 2014, Verodin develops the Security Instrumentation Platform (SIP), which enables businesses to measure and validate the effectiveness of their cybersecurity controls across various domains, including endpoint, email, cloud, and network infrastructures. The platform provides evidence that helps organizations assess their security postures and continuously improve their defenses against cyber threats. As of May 2019, Verodin operates as a subsidiary of FireEye, Inc., further strengthening its position in the cybersecurity landscape.

Preempt Security

Series B in 2018
Preempt Security, Inc. develops a software platform that protects organizations by eliminating insider threats and security breaches. Its software platform with conditional access technology helps customers to preempt security threats in real-time based on identity, behavior, and risk. The company was founded in 2014 and is based in San Francisco, California with an additional office in Ramat Gan, Israel. As of September 30, 2020, Preempt Security, Inc. operates as a subsidiary of CrowdStrike Holdings, Inc.

Inky

Series A in 2018
Inky is a cyber-security company that secures email against phishing. It is a cloud-based email security platform that make Inky Phish Fence, an email protection gateway that uses sophisticated AI, machine learning, and computer vision algorithms to block deep sea phishing attacks that get through every other system. Inky Phish Fence can either quarantine suspicious emails or deliver them with disabled links and user-friendly warnings. It is easy to deploy for Office 365, Exchange, or G Suite. Inky was founded in 2008 and is headquartered in College Park, Maryland.

IntSights

Series C in 2018
IntSights Cyber Intelligence Ltd. is a New York-based company that specializes in external threat intelligence and protection. It offers an automated platform that detects, analyzes, and remediates cybersecurity threats through an intuitive dashboard. The company's solutions focus on various threats, including attack intentions, data leakage, phishing, fake applications, and protection for VIPs. IntSights aims to empower cybersecurity teams globally by enabling them to identify and mitigate threats at their source, effectively preventing these issues from reaching their network perimeter. Founded by veterans of elite Israeli military intelligence, IntSights combines deep insights into hacker behavior with advanced defense techniques. The company is supported by notable investors, including Blackstone Group and Wipro Ventures.

Solebit

Series A in 2018
Solebit provides the fastest, most accurate and cost-effective approach for the identification and prevention of zero-day malware and unknown threats. SoleGATE is the disruptive cyber protection software platform by Solebit, challenging the norms of currently available technologies that rely on slow, costly and mostly outdated, ineffective methods of sandboxing, signatures and behavioral inspection. The solution is powered by DvC™ (data vs. code), a patented, real-time, signature-less engine. DvC assumes that there is no legitimate reason for executable code to be present in any data file. As such, it does not rely on heuristics or behaviors (which are core limitations of competing technologies), and definitively identifies and terminates any instance of malicious code such as hidden CPU instructions, encrypted and polymorphic payloads, shellcodes and other commands typically buried in data file. DvC also accurately identifies an blocks malicious active content using advanced flow analysis, de-obfuscation techniques and deep content evaluation, to reveal threat intent within any inbound data file covering machine, operating system and application levels, thereby rendering such sandbox evading attacks harmless to the enterprise. Solebit was founded in 2014 by a team of world-class cybersecurity experts, all graduates of the elite technology units in the Israel Defense Forces with years of experience in offensive and defensive security. It counts a variety of leading global financial organizations, tech, defense contractors, security vendors, cloud and telecom service providers as active customers. For more information, please visit solebit.io

Capsule8

Series A in 2017
Capsule8, founded in 2016 and based in New York, specializes in cyber protection for Linux systems across various environments, including containerized, virtualized, and bare metal setups. The company offers Capsule8 Protect, a cutting-edge platform designed to detect and mitigate attacks and other malicious activities on Linux infrastructures in real-time. This solution enables enterprises to maintain security and resilience without human intervention, allowing them to modernize their operations while safeguarding against zero-day attacks. Backed by prominent investors such as Bessemer Venture Partners, ClearSky, and Intel Capital, Capsule8 aims to redefine enterprise protection for Linux-powered businesses.

ProtectWise

Series B in 2017
ProtectWise is a cybersecurity company based in Denver that specializes in Cloud-Powered Network Detection and Response (NDR). Founded in April 2013, it offers advanced analytics for cloud, hybrid, and enterprise traffic, enabling organizations to enhance their security through real-time and retrospective threat detection. The platform provides full-fidelity packet captures that are indexed and retained indefinitely, creating a searchable network memory. With a focus on pervasive visibility and automated threat detection, ProtectWise employs machine learning and flow-based traffic algorithms to identify threats in real time and uncover previously unknown threats. The company emphasizes an intuitive and immersive visualizer for analytics and forensics, which aids in effective incident response and threat hunting. ProtectWise has raised over $70 million in funding and is led by industry veterans from prominent security firms.

Solebit

Series B in 2017
Solebit provides the fastest, most accurate and cost-effective approach for the identification and prevention of zero-day malware and unknown threats. SoleGATE is the disruptive cyber protection software platform by Solebit, challenging the norms of currently available technologies that rely on slow, costly and mostly outdated, ineffective methods of sandboxing, signatures and behavioral inspection. The solution is powered by DvC™ (data vs. code), a patented, real-time, signature-less engine. DvC assumes that there is no legitimate reason for executable code to be present in any data file. As such, it does not rely on heuristics or behaviors (which are core limitations of competing technologies), and definitively identifies and terminates any instance of malicious code such as hidden CPU instructions, encrypted and polymorphic payloads, shellcodes and other commands typically buried in data file. DvC also accurately identifies an blocks malicious active content using advanced flow analysis, de-obfuscation techniques and deep content evaluation, to reveal threat intent within any inbound data file covering machine, operating system and application levels, thereby rendering such sandbox evading attacks harmless to the enterprise. Solebit was founded in 2014 by a team of world-class cybersecurity experts, all graduates of the elite technology units in the Israel Defense Forces with years of experience in offensive and defensive security. It counts a variety of leading global financial organizations, tech, defense contractors, security vendors, cloud and telecom service providers as active customers. For more information, please visit solebit.io

Verodin

Series A in 2016
Verodin, Inc. is a software company based in Purcellville, Virginia, focused on enhancing cybersecurity effectiveness for organizations. Incorporated in 2014, Verodin develops the Security Instrumentation Platform (SIP), which enables businesses to measure and validate the effectiveness of their cybersecurity controls across various domains, including endpoint, email, cloud, and network infrastructures. The platform provides evidence that helps organizations assess their security postures and continuously improve their defenses against cyber threats. As of May 2019, Verodin operates as a subsidiary of FireEye, Inc., further strengthening its position in the cybersecurity landscape.
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