Top San Jose, CA Cybersecurity Startups (1,036)
Since 2015, Immuta has given Fortune 500 companies and government agencies around the world the power to put their data to work – faster and more safely than ever before. Our platform delivers data security, governance, and continuous monitoring across complex data ecosystems – de-risking sensitive data at enterprise scale. From BI and analytics, to data marketplaces, AI, and whatever...
At UncommonX, we believe organizations need more than alerts —they need context, prioritization, and insight. That’s why we’re rethinking cybersecurity from the ground up. Our AI-powered Exposure Management platform delivers complete visibility across networks—on-prem, cloud, OT, IoT, and beyond—without deploying agents or disrupting operations. We call it hyperconverged security: a smarter, unified approach that combines asset discovery, vulnerability management, threat intelligence,...
Closinglock is the trusted platform for securing and streamlining real estate transactions. Working with title companies and law firms nationwide, it protects what truly matters: their clients, their funds, and their hard-earned reputation. Closinglock brings the entire workflow into one secure space—from ID verification and wire instructions to payments and eSigning. This means users can close deals faster, with total...
CertifID helps to create a world without wire fraud. Started after our co-founder was hit by fraud – we’re the only company dedicated to fighting fraud for the real estate industry with an identity verification SaaS platform, insurance, and proven recovery services. CertifID helps safeguard billions of dollars every month from fraud and provides peace of mind with direct insurance...
FusionAuth builds software for developers needing to add authentication to their software products. It's a big problem - every application needs authentication, but building it yourself is a complex distraction. We distribute our free Community software through word-of-mouth reputation to software developers worldwide. We nurture and support the software development communities, taking their input to give "Devs" the features they...
LogicManager believes performance is a result of effective risk management. Our ERM software and top-rated customer experience help organizations manage surprises before they happen - ensuring a positive impact on the organization and community at large. But don’t just take our word for it; we're proud to be a certified Great Place to Work® every year since 2017!
Invoice Home is a billing and invoicing service for small businesses and freelancers seeking to grow their business or start a new one! We offer simplistic services and tools with over 100 customizable templates, where you can add your business logo and signature. We offer a desktop version for behind your screens while at home or in your office but...
Deepening the Science of Security Founded in 2012 by 3 expert hackers with no investment capital, Trail of Bits is the premier place for security experts to boldly advance security and address technology’s newest and most challenging risks. It has helped secure some of the world's most targeted organizations and devices. Our combination of novel research with practical solutions reduces the...
Hiro is a company that creates developer tools for Stacks, a network that enables apps and smart contracts for Bitcoin. As a core entity within the Stacks Ecosystem, Hiro works alongside various independent entities, developers, and community members to establish a user-owned internet on Bitcoin. Hiro provides developers with the tools to innovate and build on Bitcoin in ways previously...
We're building a next-generation cyber risk platform that empowers security and business leaders to make more informed decisions about their cybersecurity program. Our platform, Axio360, allows security teams to capture and quantify their cyber risks in dollar terms, which helps business leaders prioritize and plan cybersecurity initiatives and investments. Some of the largest energy, critical infrastructure, and financial services companies...
Nisos is the human risk management company specializing in unmasking threats before they escalate. We are a trusted advisor who operates as an extension of security, intelligence, legal, and human resource teams to protect their people and business. Our intelligence-led solutions help enterprises make critical decisions, manage human risk, and drive real world consequences for digital threats. For more information,...
BlueRock delivers the first Compute Firewall, revolutionizing runtime security in an era of AI-speed cyberattacks and escalating third-party software risks. Traditional security tools and agents can't keep pace, leaving enforcement gaps exposed. Attackers now exploit vulnerabilities within minutes of disclosure, outpacing reactive detection methods. BlueRock solves this by embedding real-time, preemptive enforcement directly into the compute layer, halting exploits precisely...
Drawbridge is a premier provider of cybersecurity software and solutions to the alternative investment and wealth management industry. Its proprietary platform helps firms manage their governance, risk, and compliance (GRC) requirements while combatting sophisticated cyber threats and third-party risks. Drawbridge's platform connects business, compliance, and IT to empower firms to centralize and manage their most robust security programs, improve their...
Zero Networks fixes the root cause of most successful cyberattacks - overly open networks and excessive logon permissions - with a simple, fully automated platform for zero trust segmentation and remote access. Zero Networks learns and automatically restricts network and user access to what's strictly essential, leveraging multi-factor authentication to stop attacks from spreading.
In today’s connected world, sharing private information is the lifeblood of any organization. However, the challenge of keeping sensitive data secure has only grown, leading to regular leaks—even within top-tier organizations. This breakdown of trust disrupts communication and causes significant harm to people and businesses. EchoMark offers a game-changing solution: we embed invisible, forensic markings in documents, personalized for each recipient....
ThreatConnect provides a suite of risk quantification, threat intelligence, orchestration and automation capabilities for security executives and the threat intelligence, security operations and incident response teams that work for them to share a single source of truth. Disruptive on their own, and even more so when combined into a single platform, our Cyber Risk Quantification (RQ), Threat Intelligence Platform (TIP)...
LightFeather is a Woman Owned Small Business (WOSB) and Service Disabled Veteran Owned Small Business (SDVOSB). We are a forward leaning and edgy startup that is ready to change the world and improve the federal government, one organization at a time. We don’t just stay on the cutting edge, we push the edge further. LightFeather was founded in 2018 to be...
We are a pure play IT security company, which allows us to focus solely on protecting your business from cyber threats. We have offices in Dublin, London and Sheffield, but are the trusted security partner of enterprise clients with critical IT assets in over 100 countries around the world. Our mission is to create a secure and certain future for...
OVERVIEW Percival provides cutting edge engineering solutions with the expertise and understanding of tools, techniques, and technologies to solve our customers most complex challenges in combating today’s cyber threats. Percival is at the forefront of innovation in vulnerability analysis and research, system emulation, software engineering, reverse engineering, embedded development, operational technologies (critical infrastructure) and cybersecurity solutions. ABOUT US Percival is a Service Disabled...
Tempest is an online privacy company which seeks to increase privacy and data security for all Internet users. Founded in 2019 by entrepreneurs Michael Levit and Sean Murphy, Tempest has built a portfolio of privacy products including a Tempest Search and Tempest Browser. It also plans to expand its product range, ensuring user safety across every touchpoint online. With operations...
