Cyber Mentor Fund

Cyber Mentor Fund is a venture capital firm established in 2018 and headquartered in San Mateo, California, with an additional office in Burlingame. The firm specializes in seed-stage investments within the cybersecurity sector. It adopts a mentorship-focused approach, collaborating with industry leaders, active operators, and cybersecurity venture capitalists to create a supportive ecosystem for early-stage cybersecurity companies. Through its unique coalition-building strategy, Cyber Mentor Fund aims to drive growth and success for its portfolio companies. In addition to financial investment, the firm emphasizes mentorship, working closely with entrepreneurs to nurture the next generation of cybersecurity leaders and accelerate their development through programs like the Catapult Program.

Kay, Muriel

Venture Partner

36 past transactions

Insane Cyber

Seed Round in 2024
Insane Cyber is an industrial cybersecurity company that employs automation to protect critical infrastructure and operations in energy, data centers, government, oil and gas, and other industries.

LeakSignal

Seed Round in 2024
LeakSignal operates a data plane security platform focused on safeguarding microservice and serverless environments. Recognizing the challenges posed by the rapid growth of microservices and their associated risks, the company provides solutions for microsegmentation, API security, and data loss prevention in transit. Utilizing machine learning, LeakSignal's platform effectively identifies and blocks the unauthorized exfiltration of sensitive data, helping organizations ensure data protection and maintain compliance with regulatory requirements. By offering enhanced insights and controls, LeakSignal addresses the critical need for security in complex service mesh environments.

Upfort

Series A in 2023
Upfort is a cybersecurity and insurance platform that delivers comprehensive protection for small and medium-sized enterprises (SMEs) against evolving cyber threats. The platform integrates various services, allowing organizations to manage their cybersecurity needs effectively. Upfort's software includes tools for phishing simulation, public Wi-Fi protection, inbox protection, and password management, alongside offering cyber liability insurance. This all-in-one solution enables clients to safeguard their business activities and address potential risks in today’s digital landscape.

Discern Security

Seed Round in 2023
Discern Security specializes in developing a security management platform that helps businesses visualize their security configurations. The platform offers a range of services, including mesh visualization, risk quantification, and workflow recommendations. By utilizing policy management solutions, Discern Security creates a stable cybersecurity infrastructure that allows for dynamic and ongoing policy administration across various security solutions. This approach enables organizations to optimize the efficiency and cost-effectiveness of their security resources, enhancing their overall cybersecurity posture.

Fenix24

Seed Round in 2023
Fenix24, established in 2022 and based in Chattanooga, Tennessee, specializes in post-incident disaster recovery and restoration services. As part of the Conversant Group family, the company is dedicated to assisting organizations in recovering from incidents such as terrorist attacks. Fenix24 offers a comprehensive approach to disaster management, providing clients with a strategic recovery playbook aimed at minimizing the costs associated with incident response and business interruptions. With a commitment to fast and professional service, Fenix24 enhances the effectiveness of disaster recovery efforts for its clients.

DataTrails

Series A in 2022
DataTrails offers an API-first solution that enhances trust and visibility in data distribution, addressing contested scenarios effectively. Its platform enables the tracking of both physical and digital assets through a tamper-evident ledger, ensuring data authenticity and facilitating the detection of fraudulent information. By implementing fine-grained attribute-based access controls and organization-based access controls, DataTrails guarantees that the right data reaches the appropriate stakeholders. The platform also includes configurable compliance policies that monitor metadata changes to identify process anomalies. Adhering to established methods for data integrity and transparency, DataTrails integrates seamlessly with existing applications, providing a secure environment for managing trustworthy data while minimizing disruptions to workflows. This approach helps enterprises reduce operational costs and enhance business resilience by eliminating inefficiencies associated with manual or paper-based processes.

SynSaber

Series A in 2022
SynSaber is an industrial asset and network monitoring solution focused on enhancing the security and operational integrity of critical infrastructure. The company offers a vendor-agnostic visibility and detection application designed specifically for operational technology (OT) environments. Its software can be quickly deployed on existing hardware or within virtualized and containerized setups, allowing seamless integration with existing workflows. By delivering continuous insights into the status, vulnerabilities, and threats faced by industrial systems, SynSaber empowers operators and asset owners to effectively monitor and defend their environments. This flexibility and ease of use make it a valuable tool for navigating the complexities of industrial security.

Spec

Seed Round in 2022
Spec is a developer of a cloud-based fraud detection and defense platform that helps businesses protect themselves from online fraud and abuse. The platform analyzes traffic to websites and APIs to identify fraudulent users and abusive bots, even those attempting to evade detection through advanced techniques. By uncovering the identity and intent of each visitor, Spec enables businesses to make informed decisions about routing traffic, enhancing the user experience for legitimate visitors. The no-code setup allows for quick implementation, providing comprehensive insights into the customer journey and preventing significant losses due to fraud. Through its technology, Spec aims to keep businesses ahead of evolving threats while ensuring smooth digital interactions for genuine customers.

Tailscale

Series B in 2022
Tailscale Inc. is a Toronto-based company that develops corporate virtual private network (VPN) software designed to enhance network security for teams of various sizes. Founded in 2019, Tailscale utilizes WireGuard technology to simplify the creation and management of private networks. By integrating with existing identity providers like GSuite and Office365, Tailscale allows authorized devices to connect in a peer-to-peer mesh, which reduces setup complexity and minimizes latency. This approach not only improves the reliability of connections among servers, computers, and cloud instances but also eliminates the need for upfront costs and extensive configuration. Tailscale serves a diverse clientele, including hobbyists, network administrators, financial institutions, healthcare organizations, and startups, aiming to streamline the operational challenges associated with network security.

Enveil

Series B in 2022
Enveil, Inc. is a data security company based in Fulton, Maryland, founded in 2016. It specializes in developing technology solutions that enable enterprises to securely operate on both encrypted and unencrypted data across various environments, including cloud and on-premises. The company's key offerings include the ZeroReveal Compute Fabric, a two-party platform that ensures data security throughout the processing lifecycle, and ZeroReveal Search, which facilitates secure searches on data regardless of location. Additionally, Enveil provides ZeroReveal Machine Learning, allowing organizations to securely derive insights from diverse data sources while maintaining privacy. Its solutions cater to industries such as financial services, healthcare, and government, addressing needs like secure data collaboration, regulatory compliance, and insider threat mitigation. By utilizing advanced cryptographic techniques, Enveil empowers clients to analyze and monetize data assets without exposing sensitive content.

Revelstoke

Series A in 2022
Revelstoke is a business focused on enhancing security operations through its innovative automation platform. The company aims to simplify the gathering and analysis of security data, allowing security teams to operate more efficiently. By providing a no-code interface, Revelstoke eliminates the programming barriers typically associated with security orchestration, enabling users to easily switch between endpoint detection technologies. This approach facilitates the automation of security operations and promotes seamless data integration, making it easier for organizations to respond to security threats effectively.

Appaegis

Seed Round in 2021
Appaegis simplifies enterprise data access while enforcing strong zero-trust security for remote access. Its patent-pending solution protects data access and gives administrators full control over how enterprise data is used. The company was founded by security veterans with successful security track records.

RADICL Defense

Seed Round in 2021
RADICL Defense focuses on providing military-grade cybersecurity solutions tailored for small and medium-sized businesses. The company specializes in safeguarding clients against advanced cyber threats and ransomware, particularly those associated with national security interests. By delivering robust protection against nation-state level cyberattacks, RADICL Defense aims to enhance the security posture of organizations that are critical to national defense and security sectors.

BOXX Insurance

Series A in 2021
BOXX Insurance Inc. specializes in providing cyber insurance solutions for businesses and families, focusing on safeguarding against cyber threats. The company offers a comprehensive platform that integrates advanced technologies, data science, and expert underwriting to help clients manage their overall risk exposure. By emphasizing proactive measures, BOXX aims not only to protect its clients but also to enable them to predict, prevent, and effectively respond to potential cyber risks. Through its services, BOXX Insurance seeks to ensure that both individuals and organizations can maintain their digital safety and recover from cyber incidents.

Cloudbrink

Series A in 2021
Cloudbrink specializes in providing a secure, high-performance cloud networking service aimed at enhancing remote work productivity. The company delivers up to 30 times faster network performance through the use of artificial intelligence and machine learning, enabling edge-native Zero-Trust Access for cloud, SaaS, and data center applications. Its software-only solution incorporates high-performance Zero Trust Network Access (ZTNA), personal Software-Defined Wide Area Network (SD-WAN), and advanced security features, facilitating an in-office experience while simplifying operational complexity. Additionally, Cloudbrink's platform supports cloud and edge native deployment, auto-discovery, and policy-based management, allowing clients to optimize application performance for end-users and devices.

SynSaber

Seed Round in 2021
SynSaber is an industrial asset and network monitoring solution focused on enhancing the security and operational integrity of critical infrastructure. The company offers a vendor-agnostic visibility and detection application designed specifically for operational technology (OT) environments. Its software can be quickly deployed on existing hardware or within virtualized and containerized setups, allowing seamless integration with existing workflows. By delivering continuous insights into the status, vulnerabilities, and threats faced by industrial systems, SynSaber empowers operators and asset owners to effectively monitor and defend their environments. This flexibility and ease of use make it a valuable tool for navigating the complexities of industrial security.

Deduce

Series A in 2021
Deduce, Inc. is a cybersecurity company based in Philadelphia, Pennsylvania, established in 2019. It specializes in protecting businesses and their customers from unauthorized account access, data leakage, and identity fraud. The company develops solutions that enhance user experiences while safeguarding user accounts and sensitive information. Deduce utilizes risk algorithms and behavioral analytics to eliminate fraud in real-time, leveraging a comprehensive network of consumer identity data. Its offerings include an identity risk index that addresses issues such as credential stuffing, phishing, and social engineering. Additionally, Deduce's platform employs behavior-detection algorithms to create independent identity graphs, enabling organizations to gain visibility into potential user threats and risks while optimizing user experience and reducing friction during customer interactions.

Spec

Seed Round in 2021
Spec is a developer of a cloud-based fraud detection and defense platform that helps businesses protect themselves from online fraud and abuse. The platform analyzes traffic to websites and APIs to identify fraudulent users and abusive bots, even those attempting to evade detection through advanced techniques. By uncovering the identity and intent of each visitor, Spec enables businesses to make informed decisions about routing traffic, enhancing the user experience for legitimate visitors. The no-code setup allows for quick implementation, providing comprehensive insights into the customer journey and preventing significant losses due to fraud. Through its technology, Spec aims to keep businesses ahead of evolving threats while ensuring smooth digital interactions for genuine customers.

HYAS

Series B in 2021
HYAS Infosec is the leading provider of proactive threat intelligence and protective DNS solutions. As the authority on cyber adversary infrastructure, HYAS enables organizations to see beyond the traditional threat landscape and proactively defend against sophisticated cyber attacks. With a focus on innovation and excellence, HYAS Infosec delivers unparalleled security solutions that empower organizations to protect their critical assets and maintain trust with their customers. For more information, please visit HYAS.com.

SecurityAdvisor

Series A in 2021
SecurityAdvisor is a provider of a personalized security awareness platform that offers real-time coaching and remediation for cyber-attacks within organizations. By integrating with existing security technologies like endpoint, cloud, email, and web security tools, the platform extracts relevant context about the risks faced by individual users. Its primary goal is to deliver measurable security improvements, such as decreasing the rate of infections on endpoints and reducing incidents of data leakage. SecurityAdvisor engages with users identified as high-risk and publishes monthly reports detailing outcomes and reductions in cyber risk. The use of artificial intelligence enhances its capabilities in risk assessment and visual analytics, ultimately helping organizations minimize security incidents and improve overall employee efficiency.

Mammoth Cyber

Seed Round in 2021
Mammoth Cyber specializes in computer and network security, offering an agentless zero-trust access system aimed at securing remote, data, and web access. The company's innovative technology effectively blocks attacks from zero-day exploits, ensuring that enterprise data remains protected within its secure access service edge framework. This solution is adaptable to various architectures, platforms, and existing product portfolios, allowing clients to maintain comprehensive visibility and control over user interactions with applications.

Certn

Series A in 2020
Certn is a company that specializes in risk management solutions for employers, landlords, and property management firms. It offers a comprehensive platform for applicant screening that includes services such as criminal record checks, identity verification, employment and education verification, and reference checks. The company utilizes artificial intelligence to enhance its background screening process, allowing for faster and more efficient verification of diverse backgrounds. One of its key offerings is the proprietary Softcheck, which scans over 100,000 databases worldwide for negative news, watchlists, and various violations, delivering results in a matter of minutes. Through its services, Certn aims to streamline the hiring process and improve the overall experience for recruiters and property managers.

Kognos

Seed Round in 2020
Kognos, Inc., founded in 2017 and based in Santa Clara, California, operates a cloud-based automated investigation platform designed to enhance cyber security. The platform enables security teams to detect and respond to attack campaigns in real-time by utilizing artificial intelligence to analyze and investigate data from various security and infrastructure sensors. By generating visual narratives from this data, Kognos provides analysts with clear insights into risks and actionable intelligence, allowing for swift prioritization and execution of remediation plans. This approach significantly reduces the time that threats dwell within networks, empowering security professionals to respond effectively to potential breaches.

Ananda Networks

Seed Round in 2020
Ananda Networks develops innovative network security intended to replace the traditional cyber-security approach. Its network as a service solution is a fully decentralized cybersecurity web that can monitor and control networks remotely without any need to physically set up a cloud server in any fixed location, enabling companies to secure their network and have real-time detection data. The company was co-founded by Adi Ruppin and Elad Rave.

Templarbit

Series A in 2020
Templarbit Inc. is a cybersecurity company based in San Francisco, California, founded in 2017. The company specializes in developing solutions to protect applications from Cross-Site Scripting (XSS) attacks and other malicious activities. Templarbit's software offers a cloud-based, easy-to-integrate central dashboard that monitors security events across various applications. It deploys security intelligence agents throughout the application stack to detect and identify potential threats, providing users with actionable insights to mitigate risks. Additionally, Templarbit offers a free trial of its solution, with pricing structured based on traffic load and application stack, allowing businesses to enhance their security measures effectively.

Okera

Series B in 2020
Okera Inc. operates a data management platform that enhances secure data access and governance across hybrid and multi-cloud environments. Its flagship product, the Okera Active Data Access Platform, simplifies the provisioning, accessing, governing, and auditing of data, thereby ensuring data protection while facilitating faster access. The platform features tools for data lake security, privacy compliance, auditing, and sensitive data management, allowing organizations to establish appropriate data access controls that adapt to the evolving data privacy landscape. Okera's no-code visual policy engine enables users to automatically discover and audit data lakes, create access policies, and enforce fine-grained access, empowering data teams to leverage their data for innovation and growth. Founded in 2016 and headquartered in San Francisco, California, Okera also has an office in Seattle, Washington.

Enveil

Series A in 2020
Enveil, Inc. is a data security company based in Fulton, Maryland, founded in 2016. It specializes in developing technology solutions that enable enterprises to securely operate on both encrypted and unencrypted data across various environments, including cloud and on-premises. The company's key offerings include the ZeroReveal Compute Fabric, a two-party platform that ensures data security throughout the processing lifecycle, and ZeroReveal Search, which facilitates secure searches on data regardless of location. Additionally, Enveil provides ZeroReveal Machine Learning, allowing organizations to securely derive insights from diverse data sources while maintaining privacy. Its solutions cater to industries such as financial services, healthcare, and government, addressing needs like secure data collaboration, regulatory compliance, and insider threat mitigation. By utilizing advanced cryptographic techniques, Enveil empowers clients to analyze and monetize data assets without exposing sensitive content.

SecurityAdvisor

Seed Round in 2020
SecurityAdvisor is a provider of a personalized security awareness platform that offers real-time coaching and remediation for cyber-attacks within organizations. By integrating with existing security technologies like endpoint, cloud, email, and web security tools, the platform extracts relevant context about the risks faced by individual users. Its primary goal is to deliver measurable security improvements, such as decreasing the rate of infections on endpoints and reducing incidents of data leakage. SecurityAdvisor engages with users identified as high-risk and publishes monthly reports detailing outcomes and reductions in cyber risk. The use of artificial intelligence enhances its capabilities in risk assessment and visual analytics, ultimately helping organizations minimize security incidents and improve overall employee efficiency.

Cyberhaven

Series A in 2019
Cyberhaven is a data security company focused on enhancing the protection of sensitive information from theft and misuse. The company's innovative platform utilizes advanced data tracing technology to analyze billions of events related to each piece of data, allowing for a comprehensive understanding and classification of sensitive information. This capability enables Cyberhaven to protect a wider range of data types in various forms as they move across networks. By assessing internal actions within enterprises, the platform identifies risky behaviors and practices, helping to prevent security breaches. Additionally, it provides full-context data tracing to minimize false positives and negatives, thereby streamlining incident response investigations. Overall, Cyberhaven aims to simplify and strengthen enterprise security, ensuring that organizations can safeguard their critical information effectively.

CyCognito

Series A in 2019
CyCognito, founded in 2017 and based in Palo Alto, California, specializes in cyber security services with a focus on external cyber risk management. The company offers a cloud-based platform that conducts automated and continuous analysis of an organization's IT ecosystem, simulating the perspective of potential attackers. This approach enables organizations to identify vulnerabilities and prioritize remediation efforts effectively. By leveraging advanced machine learning and natural language processing, CyCognito provides organizations with insights into their security weaknesses, helping them understand their true risks and allocate resources efficiently. The platform aims to bridge cyber risk remediation across departments, enhancing overall security posture and reducing the likelihood of data breaches.

MailControl

Seed Round in 2019
MailControl is a Chicago-based B2B SaaS startup focused on enhancing email and messaging security for enterprises. The company develops software that protects organizations from social engineering and identity attacks, addressing the risks posed by embedded email trackers and misaddressed messages. Its solutions include Silencer, which effectively stops email trackers that can leak confidential information, and CodeBreaker, which identifies hidden risks in email communications by providing real-time warnings for employees. Additionally, GateKeeper safeguards against the accidental sending of emails to incorrect recipients. By leveraging artificial intelligence, MailControl aims to empower businesses to recognize and avert potential threats in their email interactions.

Bolster AI

Series A in 2019
Bolster Inc. is a cybersecurity company that specializes in artificial intelligence and machine learning to combat online fraud and protect brands from scams and account takeovers. Founded in 2017 and headquartered in Los Altos, California, Bolster offers a range of products, including Online Customer Protection, which features detection, automated takedown, continuous monitoring, and threat intelligence. Its Online Fraud Prevention platform identifies both victims and scammers, providing tools to address phishing kits and fraudulent sites. Additionally, the company provides a Real-time Detection API that covers various types of scams, such as phishing and counterfeit activities. Bolster serves multiple sectors, including finance, technology, and retail, and promotes proactive brand protection through tools like checkphish.ai, a free, open-source resource for detecting fraudulent websites and phishing scams. The team at Bolster has extensive experience in cybersecurity, contributing to its innovative approach to fraud prevention.

Bluelava

Series A in 2019
Blue Lava is the leading cybersecurity program management solution enabling enterprise security and IT teams to effectively strategize, prioritize, and budget core cybersecurity programs. It enables visibility into the full enterprise IT infrastructure - highlighting and quantifying the strengths and weaknesses of supporting technology, people, and processes and provides for what-if scenario modeling and risk analysis. In addition, Blue Lava delivers these results quickly and easily without the need for expansive professional service engagements and enables CISOs/CIOs to communicate them with confidence to the board or other executives using a standard NIST CF format or Blue Lava's own rich CMM format. Blue Lava is the fastest way to build a high-performance cybersecurity program.

Upfort

Seed Round in 2018
Upfort is a cybersecurity and insurance platform that delivers comprehensive protection for small and medium-sized enterprises (SMEs) against evolving cyber threats. The platform integrates various services, allowing organizations to manage their cybersecurity needs effectively. Upfort's software includes tools for phishing simulation, public Wi-Fi protection, inbox protection, and password management, alongside offering cyber liability insurance. This all-in-one solution enables clients to safeguard their business activities and address potential risks in today’s digital landscape.
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