Kleiner Perkins

Founded in 1972, Kleiner Perkins is a venture capital firm based in Menlo Park, California. It specializes in investing in early-stage, growth, and incubation companies across various sectors including technology, healthcare, life sciences, and consumer goods. The firm partners with founders from inception to IPO, supporting them to maximize the potential of their ideas.
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Leigh Marie Braswell

Partner

Brook Byers

Partner

Annie Case

Partner

Nadia Cochinwala

Investor

Kevin Compton

Partner

Josh Coyne

Partner

Joshua Coyne

Partner

Monica Desai Weiss

Principal

John Doerr

Partner

Ilya Fushman

Partner

Al Gore

Senior Partner

Floyd Kvamme

Partner Emeriti

Bucky Moore

Partner

Aditya Naganath

Principal

Lucas Oliveira

Investor

Lucas Oliveira

Investor

Colin Powell

Strategic Limited Partner

Everett Randle

Partner

Ev Randle

Partner

James Tang

Partner and Vice President, China

Jimmy Wei

Venture Partner, China

Jason Zhao

Partner, China

Past deals in Network Security

Huntress

Series D in 2024
Huntress is a cybersecurity provider for small and mid-sized businesses and the managed service providers that support them. It offers a managed security platform and a 24/7 Security Operations Center, delivering technology, services, education, and expertise to protect critical assets from cyber threats. The platform combines automated detection with human threat hunting to uncover and stop threats that bypass preventive tools, including ransomware and persistent footholds. Founded in 2015 by former NSA operators, Huntress serves thousands of partners and more than 100,000 organizations, protecting millions of endpoints.

Alkira

Series C in 2024
Alkira, Inc. is a provider of a comprehensive networking platform designed for hybrid and multi-cloud environments. Established in 2018 and based in San Jose, California, Alkira offers its services through a pay-as-you-go model that enables customers to seamlessly connect local systems and cloud workloads to its Cloud Exchange Points (CXP). The Alkira Network Cloud facilitates the rapid deployment of multi-cloud network connectivity, integrated network and security services, and offers operational visibility and governance. Users can design their network across various users, sites, and clouds using an intuitive digital canvas, provisioning the network with just one click. Alkira’s solutions are utilized by major enterprises, system integrators, and managed service providers, enabling them to activate services on-demand and scale resources based on utilization.

IronNet Cybersecurity

Post in 2021
IronNet Cybersecurity Inc. is a network security company that develops solutions to combat cyber threats in real time. Headquartered in McLean, Virginia, with additional offices in Raleigh, North Carolina; Singapore; and London, the company offers a range of products, including IronDefense, a network traffic analysis platform that enables scalable behavioral analysis and packet-level cyber hunting to identify advanced threats. Additionally, IronNet provides IronDome, a collective defense solution that enhances visibility of potential threat campaigns across industry peers. The company employs a team of former NSA cybersecurity operators, leveraging their expertise to tackle complex cyber challenges. IronNet's services extend to real-time threat assessment, behavioral modeling, big data analytics, consulting, and training programs, catering to various sectors such as energy, financial services, healthcare, defense, and the public sector. Established in 2014, IronNet is dedicated to transforming network security through innovative collective defense strategies.

Alkira

Series B in 2020
Alkira, Inc. is a provider of a comprehensive networking platform designed for hybrid and multi-cloud environments. Established in 2018 and based in San Jose, California, Alkira offers its services through a pay-as-you-go model that enables customers to seamlessly connect local systems and cloud workloads to its Cloud Exchange Points (CXP). The Alkira Network Cloud facilitates the rapid deployment of multi-cloud network connectivity, integrated network and security services, and offers operational visibility and governance. Users can design their network across various users, sites, and clouds using an intuitive digital canvas, provisioning the network with just one click. Alkira’s solutions are utilized by major enterprises, system integrators, and managed service providers, enabling them to activate services on-demand and scale resources based on utilization.

Area 1 Security

Series D in 2020
Area 1 Security, Inc. is a cybersecurity company based in Redwood City, California, that specializes in eliminating targeted, socially engineered cyber-attacks. Founded in 2013 by experts from the NSA and MIT, the company develops the Area 1 Horizon, a cloud-based solution that identifies threat campaigns, attacker infrastructure, and attack delivery mechanisms. This product provides advanced warnings and effectively halts phishing attacks during their early stages, addressing multiple use cases such as attack visualization and preemption. By targeting various cyber-attack vectors, including email and web, Area 1 Security enhances the cybersecurity posture of enterprises and enables them to proactively combat threats.

Synack

Series D in 2020
Synack offers a crowdsourced security platform that combines global ethical hacker talent with proprietary scanning technology. It provides continuous penetration testing, vulnerability management, and application security solutions to protect organizations' digital assets.

Alkira

Series A in 2020
Alkira, Inc. is a provider of a comprehensive networking platform designed for hybrid and multi-cloud environments. Established in 2018 and based in San Jose, California, Alkira offers its services through a pay-as-you-go model that enables customers to seamlessly connect local systems and cloud workloads to its Cloud Exchange Points (CXP). The Alkira Network Cloud facilitates the rapid deployment of multi-cloud network connectivity, integrated network and security services, and offers operational visibility and governance. Users can design their network across various users, sites, and clouds using an intuitive digital canvas, provisioning the network with just one click. Alkira’s solutions are utilized by major enterprises, system integrators, and managed service providers, enabling them to activate services on-demand and scale resources based on utilization.

Ionic Security

Series E in 2019
Ionic Security develops a unified data security platform that protects sensitive information across clouds, environments, and devices. Its platform offers access control, intellectual property monitoring, data encryption, and policy management without proxies or gateways, enabling secure data handling without disrupting user behavior.

Area 1 Security

Series C in 2018
Area 1 Security, Inc. is a cybersecurity company based in Redwood City, California, that specializes in eliminating targeted, socially engineered cyber-attacks. Founded in 2013 by experts from the NSA and MIT, the company develops the Area 1 Horizon, a cloud-based solution that identifies threat campaigns, attacker infrastructure, and attack delivery mechanisms. This product provides advanced warnings and effectively halts phishing attacks during their early stages, addressing multiple use cases such as attack visualization and preemption. By targeting various cyber-attack vectors, including email and web, Area 1 Security enhances the cybersecurity posture of enterprises and enables them to proactively combat threats.

IronNet Cybersecurity

Series B in 2018
IronNet Cybersecurity Inc. is a network security company that develops solutions to combat cyber threats in real time. Headquartered in McLean, Virginia, with additional offices in Raleigh, North Carolina; Singapore; and London, the company offers a range of products, including IronDefense, a network traffic analysis platform that enables scalable behavioral analysis and packet-level cyber hunting to identify advanced threats. Additionally, IronNet provides IronDome, a collective defense solution that enhances visibility of potential threat campaigns across industry peers. The company employs a team of former NSA cybersecurity operators, leveraging their expertise to tackle complex cyber challenges. IronNet's services extend to real-time threat assessment, behavioral modeling, big data analytics, consulting, and training programs, catering to various sectors such as energy, financial services, healthcare, defense, and the public sector. Established in 2014, IronNet is dedicated to transforming network security through innovative collective defense strategies.

Synack

Series C in 2017
Synack offers a crowdsourced security platform that combines global ethical hacker talent with proprietary scanning technology. It provides continuous penetration testing, vulnerability management, and application security solutions to protect organizations' digital assets.

Ionic Security

Series D in 2016
Ionic Security develops a unified data security platform that protects sensitive information across clouds, environments, and devices. Its platform offers access control, intellectual property monitoring, data encryption, and policy management without proxies or gateways, enabling secure data handling without disrupting user behavior.

IronNet Cybersecurity

Series A in 2015
IronNet Cybersecurity Inc. is a network security company that develops solutions to combat cyber threats in real time. Headquartered in McLean, Virginia, with additional offices in Raleigh, North Carolina; Singapore; and London, the company offers a range of products, including IronDefense, a network traffic analysis platform that enables scalable behavioral analysis and packet-level cyber hunting to identify advanced threats. Additionally, IronNet provides IronDome, a collective defense solution that enhances visibility of potential threat campaigns across industry peers. The company employs a team of former NSA cybersecurity operators, leveraging their expertise to tackle complex cyber challenges. IronNet's services extend to real-time threat assessment, behavioral modeling, big data analytics, consulting, and training programs, catering to various sectors such as energy, financial services, healthcare, defense, and the public sector. Established in 2014, IronNet is dedicated to transforming network security through innovative collective defense strategies.

AT&T CyberSecurity

Series E in 2015
AT&T Cybersecurity specializes in providing comprehensive security solutions tailored for mid-market enterprises facing modern security threats. The company offers a suite of products encompassing cyber strategy and risk, identity and fraud management, network and endpoint security, as well as threat detection and response. Key offerings include managed threat detection, unified security management for managed security service providers (MSSPs), and the AlienVault USM platform, which aids in threat detection, incident response, and compliance management. Additionally, AT&T Cybersecurity features the Open Threat Exchange, fostering collaboration among security professionals by sharing actionable threat intelligence. The company serves a diverse range of sectors, including education, healthcare, finance, and retail, ensuring that organizations can effectively manage their security needs without excessive complexity or costs. Founded in 2007 and headquartered in San Mateo, California, AT&T Cybersecurity operates as a subsidiary of AT&T Communications, LLC. The company also has offices in Ireland, Spain, Australia, and Texas.

Singularity Networks

Seed Round in 2015
Singularity Networks, Inc. offers a real-time network analytics platform designed to enhance IT security and operational efficiency for businesses. Founded in 2014 and based in Lone Tree, Colorado, the company provides flexible solutions tailored primarily for Managed Security Providers. Its innovative software platform focuses on network engineering and professional services, addressing key areas such as data-center and cloud environments, abuse detection, mitigation, network automation, and incident response. As a subsidiary of Cisco Systems, Singularity Networks aims to empower organizations by delivering context-driven data that helps identify security breaches and optimize network performance.

Synack

Series B in 2015
Synack offers a crowdsourced security platform that combines global ethical hacker talent with proprietary scanning technology. It provides continuous penetration testing, vulnerability management, and application security solutions to protect organizations' digital assets.

Ionic Security

Series C in 2015
Ionic Security develops a unified data security platform that protects sensitive information across clouds, environments, and devices. Its platform offers access control, intellectual property monitoring, data encryption, and policy management without proxies or gateways, enabling secure data handling without disrupting user behavior.

Area 1 Security

Series A in 2014
Area 1 Security, Inc. is a cybersecurity company based in Redwood City, California, that specializes in eliminating targeted, socially engineered cyber-attacks. Founded in 2013 by experts from the NSA and MIT, the company develops the Area 1 Horizon, a cloud-based solution that identifies threat campaigns, attacker infrastructure, and attack delivery mechanisms. This product provides advanced warnings and effectively halts phishing attacks during their early stages, addressing multiple use cases such as attack visualization and preemption. By targeting various cyber-attack vectors, including email and web, Area 1 Security enhances the cybersecurity posture of enterprises and enables them to proactively combat threats.

Area 1 Security

Seed Round in 2014
Area 1 Security, Inc. is a cybersecurity company based in Redwood City, California, that specializes in eliminating targeted, socially engineered cyber-attacks. Founded in 2013 by experts from the NSA and MIT, the company develops the Area 1 Horizon, a cloud-based solution that identifies threat campaigns, attacker infrastructure, and attack delivery mechanisms. This product provides advanced warnings and effectively halts phishing attacks during their early stages, addressing multiple use cases such as attack visualization and preemption. By targeting various cyber-attack vectors, including email and web, Area 1 Security enhances the cybersecurity posture of enterprises and enables them to proactively combat threats.

Synack

Series A in 2014
Synack offers a crowdsourced security platform that combines global ethical hacker talent with proprietary scanning technology. It provides continuous penetration testing, vulnerability management, and application security solutions to protect organizations' digital assets.

Ionic Security

Series B in 2014
Ionic Security develops a unified data security platform that protects sensitive information across clouds, environments, and devices. Its platform offers access control, intellectual property monitoring, data encryption, and policy management without proxies or gateways, enabling secure data handling without disrupting user behavior.

AT&T CyberSecurity

Series D in 2013
AT&T Cybersecurity specializes in providing comprehensive security solutions tailored for mid-market enterprises facing modern security threats. The company offers a suite of products encompassing cyber strategy and risk, identity and fraud management, network and endpoint security, as well as threat detection and response. Key offerings include managed threat detection, unified security management for managed security service providers (MSSPs), and the AlienVault USM platform, which aids in threat detection, incident response, and compliance management. Additionally, AT&T Cybersecurity features the Open Threat Exchange, fostering collaboration among security professionals by sharing actionable threat intelligence. The company serves a diverse range of sectors, including education, healthcare, finance, and retail, ensuring that organizations can effectively manage their security needs without excessive complexity or costs. Founded in 2007 and headquartered in San Mateo, California, AT&T Cybersecurity operates as a subsidiary of AT&T Communications, LLC. The company also has offices in Ireland, Spain, Australia, and Texas.

Synack

Seed Round in 2013
Synack offers a crowdsourced security platform that combines global ethical hacker talent with proprietary scanning technology. It provides continuous penetration testing, vulnerability management, and application security solutions to protect organizations' digital assets.

Ionic Security

Series A in 2013
Ionic Security develops a unified data security platform that protects sensitive information across clouds, environments, and devices. Its platform offers access control, intellectual property monitoring, data encryption, and policy management without proxies or gateways, enabling secure data handling without disrupting user behavior.

Ionic Security

Series A in 2012
Ionic Security develops a unified data security platform that protects sensitive information across clouds, environments, and devices. Its platform offers access control, intellectual property monitoring, data encryption, and policy management without proxies or gateways, enabling secure data handling without disrupting user behavior.

AT&T CyberSecurity

Series C in 2012
AT&T Cybersecurity specializes in providing comprehensive security solutions tailored for mid-market enterprises facing modern security threats. The company offers a suite of products encompassing cyber strategy and risk, identity and fraud management, network and endpoint security, as well as threat detection and response. Key offerings include managed threat detection, unified security management for managed security service providers (MSSPs), and the AlienVault USM platform, which aids in threat detection, incident response, and compliance management. Additionally, AT&T Cybersecurity features the Open Threat Exchange, fostering collaboration among security professionals by sharing actionable threat intelligence. The company serves a diverse range of sectors, including education, healthcare, finance, and retail, ensuring that organizations can effectively manage their security needs without excessive complexity or costs. Founded in 2007 and headquartered in San Mateo, California, AT&T Cybersecurity operates as a subsidiary of AT&T Communications, LLC. The company also has offices in Ireland, Spain, Australia, and Texas.

Mandiant

Private Equity Round in 2011
Mandiant is a prominent provider of incident response and computer forensics solutions within the information security sector. Based in Alexandria, Virginia, the company operates additional offices in New York, Los Angeles, and San Francisco. Mandiant offers a range of products and professional services, including threat intelligence, automated response, and managed security, catering to a diverse clientele that includes Fortune 500 companies, financial institutions, government agencies, and law enforcement entities. With one of the largest teams dedicated to incident response and forensics, Mandiant is recognized for its expertise in mitigating cyber threats and enhancing organizational security measures. The company's consultants and engineers are highly qualified, holding advanced degrees and top government security clearances, and have authored numerous books on cybersecurity.

Stoke

Series E in 2011
Stoke is a developer of carrier-class multi-access convergence gateways tailored for fixed, mobile, and Internet-based operators. The company specializes in solutions that enable mobile network operators to enhance the economic efficiency of their 3G mobile networks. Its flagship product, the Stoke Session Exchange, is an integrated hardware and software platform that effectively manages the security, service, and mobility challenges associated with optimizing multimedia sessions. Additionally, Stoke offers the Mobile Data Offload service, which assists 3G network operators in addressing both capacity and subscriber satisfaction issues related to mobile broadband data delivery. Through these offerings, Stoke aims to support operators in maximizing their network performance and improving user experience.

Stoke

Series D in 2009
Stoke is a developer of carrier-class multi-access convergence gateways tailored for fixed, mobile, and Internet-based operators. The company specializes in solutions that enable mobile network operators to enhance the economic efficiency of their 3G mobile networks. Its flagship product, the Stoke Session Exchange, is an integrated hardware and software platform that effectively manages the security, service, and mobility challenges associated with optimizing multimedia sessions. Additionally, Stoke offers the Mobile Data Offload service, which assists 3G network operators in addressing both capacity and subscriber satisfaction issues related to mobile broadband data delivery. Through these offerings, Stoke aims to support operators in maximizing their network performance and improving user experience.

Beijing Venustech

Series B in 2008
Beijing Venustech is a prominent provider of network security products and services in China, established in 1996. The company specializes in a range of security technologies, including firewalls, unified threat management, intrusion detection, security auditing, terminal management, encryption, and authentication. Venustech offers a variety of professional security product lines and is actively developing new models to enhance its offerings. The company's solutions are designed to integrate various security products and services, addressing clients' needs and helping them create comprehensive security systems. Through its trusted security management platform, Venustech aims to support organizations in safeguarding their networks and data against evolving threats.

Stoke

Series C in 2007
Stoke is a developer of carrier-class multi-access convergence gateways tailored for fixed, mobile, and Internet-based operators. The company specializes in solutions that enable mobile network operators to enhance the economic efficiency of their 3G mobile networks. Its flagship product, the Stoke Session Exchange, is an integrated hardware and software platform that effectively manages the security, service, and mobility challenges associated with optimizing multimedia sessions. Additionally, Stoke offers the Mobile Data Offload service, which assists 3G network operators in addressing both capacity and subscriber satisfaction issues related to mobile broadband data delivery. Through these offerings, Stoke aims to support operators in maximizing their network performance and improving user experience.

ArcSight

Series C in 2006
ArcSight offers intelligent security and compliance management solutions for enterprises, MSSPs, and government agencies. Its award-winning Enterprise Security Manager (ESM) platform integrates hundreds of security products to detect risks across heterogeneous infrastructures, providing real-time and historic views with complementary solutions for log management, network configuration management, and threat response.

Oakley Networks

Venture Round in 2005
Oakley Networks is a security services company founded in 2002 and headquartered in the United States. It specializes in threat detection and prevention, offering military-grade data and infrastructure solutions to both federal and commercial clients. The company provides a range of security services, including enterprise monitoring and video surveillance, aimed at safeguarding data assets, intellectual property, and critical infrastructure. Oakley Networks also delivers integrated endpoint and network solutions, featuring DVR-type incident replay capabilities. Additionally, it offers anti-leakage detection and prevention solutions that secure major communication applications, such as instant messaging and USB storage devices, while enforcing insider threat policies to mitigate information exposure.

Stoke

Series B in 2005
Stoke is a developer of carrier-class multi-access convergence gateways tailored for fixed, mobile, and Internet-based operators. The company specializes in solutions that enable mobile network operators to enhance the economic efficiency of their 3G mobile networks. Its flagship product, the Stoke Session Exchange, is an integrated hardware and software platform that effectively manages the security, service, and mobility challenges associated with optimizing multimedia sessions. Additionally, Stoke offers the Mobile Data Offload service, which assists 3G network operators in addressing both capacity and subscriber satisfaction issues related to mobile broadband data delivery. Through these offerings, Stoke aims to support operators in maximizing their network performance and improving user experience.

Endforce

Venture Round in 2004
Endforce is a developer of secure network access control software based in Dublin, Ohio, established in 1999. The company specializes in creating solutions for service providers in the United States, offering products such as Endforce Enterprise and Endforce Informant. Endforce Enterprise provides a software-based network access control solution that safeguards networks from non-compliant or misconfigured endpoints. In contrast, Endforce Informant is an enterprise-scale system that operates on a client/server architecture, featuring monitoring and alerting capabilities for unauthorized or unknown components. By designing and managing Internet Protocol-based virtual private networks, Endforce enables its customers to streamline remote access services, reduce capital expenditures, and minimize the complexities of system integration and maintenance, thus addressing the challenges of recruiting and retaining skilled networking professionals.

Oakley Networks

Series A in 2004
Oakley Networks is a security services company founded in 2002 and headquartered in the United States. It specializes in threat detection and prevention, offering military-grade data and infrastructure solutions to both federal and commercial clients. The company provides a range of security services, including enterprise monitoring and video surveillance, aimed at safeguarding data assets, intellectual property, and critical infrastructure. Oakley Networks also delivers integrated endpoint and network solutions, featuring DVR-type incident replay capabilities. Additionally, it offers anti-leakage detection and prevention solutions that secure major communication applications, such as instant messaging and USB storage devices, while enforcing insider threat policies to mitigate information exposure.

Juniper Networks

Pre Seed Round in 1996
Juniper Networks specializes in designing, developing, and selling high-performance network infrastructure products and services. Its offerings include routing, switching, Wi-Fi, network security, AI-enabled enterprise networking operations, and software-defined networking technologies. The company aims to help businesses build scalable, reliable, and secure networks, while improving operational efficiency through automation. Juniper also provides maintenance and support services to its customers.

Symantec

Series A in 1983
Symantec is a comprehensive security software suite developed by Broadcom Inc., offering anti-malware, anti-intrusion, and firewall features for both server and desktop computers. It functions as a website certification service provider, assisting organizations, governments, and individuals in safeguarding sensitive data from advanced threats across endpoints, cloud environments, and infrastructure. Symantec's solutions are designed to meet the evolving cybersecurity challenges of a complex digital landscape. Following the sale of its enterprise security business to Broadcom in 2019, NortonLifeLock, a global leader in consumer Cyber Safety, continues to play a vital role in enhancing online security for approximately 50 million consumers by securing devices, identities, and online privacy.
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