Mayfield Fund, LLC is a global venture capital firm founded in 1969 and headquartered in Menlo Park, California, with an additional office in Mumbai, India. The firm specializes in early-stage investments across various technology sectors, including artificial intelligence, enterprise software, consumer technology, deep tech, and human and planetary health. Mayfield focuses on partnering with founders from the inception of their companies, aiming to build impactful enterprises that leverage innovative technology and business models. The firm typically invests between $1 million and $15 million in companies with revenues ranging from $10 million to $100 million, prioritizing opportunities in the United States, particularly in California, as well as in select markets in India and China. Mayfield has a strong track record, having invested in over 500 companies, resulting in numerous successful IPOs and acquisitions.
The Minimus platform may assist businesses in achieving an instant reduction in vulnerability exposure with just one modification to deployment configurations, greatly speeding up the remaining remediation efforts.
Gutsy
Seed Round in 2023
Gutsy enables you to look at security not as individual settings and detections, but as interconnected systems and events that deliver outcomes. You don't just see the results, you see how you got them and why. Gutsy connects to all the systems you're already using, continuously mines data about every process execution, and automatically correlates activities across complex security workflows.
Volterra
Venture Round in 2019
Volterra Inc., founded in 2017 and headquartered in Santa Clara, California, specializes in developing software for the deployment, operation, and security of distributed applications across edge and multi-cloud environments. The company offers distributed cloud services designed to facilitate the deployment of network and security applications, enabling clients to secure their cloud applications and optimize performance by bringing critical workloads closer to end-users. This approach assists development and network operations teams in addressing operational security and performance challenges effectively.
Elastica
Series B in 2015
Elastica, Inc. specializes in cloud security solutions tailored for businesses and their employees. The company offers the CloudSOC platform, which ensures transaction-level security for cloud applications by integrating data science, machine learning, real-time traffic processing, and user-friendly controls. Additionally, Elastica provides ThreatScore, an automated assessment based on usage patterns that initiates intelligent security measures, and Securlets, which monitor and secure specific cloud services utilized by employees. Their suite of applications also includes tools for auditing cloud services, detecting threats and suspicious activities, investigating historical transactions, and enhancing overall cloud security. Founded in 2012 and based in San Jose, California, Elastica operates as a subsidiary of Blue Coat Systems Inc. since November 2015.
Elastica
Series A in 2014
Elastica, Inc. specializes in cloud security solutions tailored for businesses and their employees. The company offers the CloudSOC platform, which ensures transaction-level security for cloud applications by integrating data science, machine learning, real-time traffic processing, and user-friendly controls. Additionally, Elastica provides ThreatScore, an automated assessment based on usage patterns that initiates intelligent security measures, and Securlets, which monitor and secure specific cloud services utilized by employees. Their suite of applications also includes tools for auditing cloud services, detecting threats and suspicious activities, investigating historical transactions, and enhancing overall cloud security. Founded in 2012 and based in San Jose, California, Elastica operates as a subsidiary of Blue Coat Systems Inc. since November 2015.
Narus
Venture Round in 2009
Narus, an independent subsidiary of The Boeing Company, specializes in cybersecurity, focusing on advanced analytics to detect cyber threats from both insiders and external sources. The company offers a range of products, including NarusInsight, a traffic intelligence system designed to capture, analyze, and correlate Internet protocol traffic. Additionally, the NarusInsight Secure Suite helps service providers and governments identify network attacks, abuse, or behavioral anomalies. By leveraging big data analytics, Narus empowers organizations to predict and characterize sophisticated security threats, enhancing their ability to safeguard critical assets. With a diverse clientele that includes governments, carriers, and enterprises globally, Narus continues to innovate at the intersection of the semantic web and cybersecurity.
Tejas Networks
Venture Round in 2007
Tejas Networks India, Ltd. develops optical transmission products and solutions. It offers Ethernet over SDH/SONET products, carrier Ethernet over NG-SDH/SONET, carrier Ethernet switching equipment, generation optical transport equipment, C/DWDM access platforms, Ethernet cards, multi-service provisioning platforms, bandwidth provisioning equipment, and SDH/SONET multiplexer equipment. The company provides software solutions, including TejEMS, an element management system that provides integrated management of network elements in an intelligent optical network; and TejNES, an embedded network element software suite resident in each network element provides control and management of individual network elements. It also offers various services, including network planning, design, and optimization; network installation, commissioning, testing, and program management; customer support and post sales activities; and training, and system integration. The company's products are used in various applications, including access networks, regional backbone, wireless backhaul, Ethernet LAN over SDH WAN, customer premise equipment, multiple-ADMs, and wideband DXC. It serves carriers/ service providers, Internet service providers/cable MSOs, Utilities, PTTs, cellular operators, and original equipment manufacturers. The company was incorporated in 2000 and is headquartered in Bangalore, India.
Narus
Venture Round in 2006
Narus, an independent subsidiary of The Boeing Company, specializes in cybersecurity, focusing on advanced analytics to detect cyber threats from both insiders and external sources. The company offers a range of products, including NarusInsight, a traffic intelligence system designed to capture, analyze, and correlate Internet protocol traffic. Additionally, the NarusInsight Secure Suite helps service providers and governments identify network attacks, abuse, or behavioral anomalies. By leveraging big data analytics, Narus empowers organizations to predict and characterize sophisticated security threats, enhancing their ability to safeguard critical assets. With a diverse clientele that includes governments, carriers, and enterprises globally, Narus continues to innovate at the intersection of the semantic web and cybersecurity.
Pure Networks
Series B in 2006
Pure Networks, Inc. is a provider of networking software and services primarily catering to home users, small businesses, original equipment manufacturers, and broadband and Internet service providers in the United States. Founded in 2002 and based in Seattle, Washington, the company offers a range of products designed to simplify network management and enhance security. Notable offerings include Network Magic Pro, which enables users to set up and manage their networks easily, and Speed Meter Pro, a utility for diagnosing network connections. For corporate clients, Pure Networks provides platforms such as Networks Platform Technology, which helps manufacturers create customizable installations, and Pure Networks Support Solutions, aimed at reducing service providers' support costs. The company focuses on delivering tools that facilitate efficient network setup and maintenance, supporting various client needs in the ever-evolving networking landscape.
Webroot
Series A in 2005
Webroot provides cybersecurity and security intelligence services. They secure businesses and individuals with threat intelligence and protection for endpoints and networks. Their services include endpoint protection, network protection, and security awareness training solutions for managed service providers and small businesses.
Determina
Venture Round in 2004
Determina is a provider of security advisory services with advisories, updates, and configuration advice against emerging threats and attacks for VPS customers.
Pure Networks
Series A in 2004
Pure Networks, Inc. is a provider of networking software and services primarily catering to home users, small businesses, original equipment manufacturers, and broadband and Internet service providers in the United States. Founded in 2002 and based in Seattle, Washington, the company offers a range of products designed to simplify network management and enhance security. Notable offerings include Network Magic Pro, which enables users to set up and manage their networks easily, and Speed Meter Pro, a utility for diagnosing network connections. For corporate clients, Pure Networks provides platforms such as Networks Platform Technology, which helps manufacturers create customizable installations, and Pure Networks Support Solutions, aimed at reducing service providers' support costs. The company focuses on delivering tools that facilitate efficient network setup and maintenance, supporting various client needs in the ever-evolving networking landscape.
PostX
Series B in 2003
PostX ensures the secure electronic delivery of information vital to business and customer relationships. PostX delivers significant cost savings and benefits from an increase in effective communications with employees, partners, and customers. They enable secure delivery via Email, the Web, and Wireless networks to your customers, partners and employees.
Packet Design
Series A in 2003
Packet Design, LLC specializes in performance analytics technology solutions tailored for network operators, enterprises, and government agencies. Founded in 2003 and based in San Jose, California, the company offers an integrated suite of IP traffic and route analysis tools, including Route Explorer, which provides real-time monitoring and analysis for mission-critical networks. This system features modules such as Traffic Explorer and Multicast Explorer, enabling users to gain insights into traffic flows, analyze VPN routing, and manage advanced network services. Packet Design's solutions facilitate network simulation, troubleshooting, and operations, allowing clients to optimize performance, reduce costs, and enhance service delivery. The company serves a diverse clientele, including service providers, mobile operators, and governmental bodies, helping them improve network management and accelerate revenue generation. As of July 2018, Packet Design operates as a subsidiary of Ciena Corporation.
PostX
Series B in 2001
PostX ensures the secure electronic delivery of information vital to business and customer relationships. PostX delivers significant cost savings and benefits from an increase in effective communications with employees, partners, and customers. They enable secure delivery via Email, the Web, and Wireless networks to your customers, partners and employees.
PostX
Series A in 1999
PostX ensures the secure electronic delivery of information vital to business and customer relationships. PostX delivers significant cost savings and benefits from an increase in effective communications with employees, partners, and customers. They enable secure delivery via Email, the Web, and Wireless networks to your customers, partners and employees.
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