Top San Francisco Bay Area, CA Cybersecurity Companies (207)

Harmonic Security lets your teams adopt AI tools safely by protecting sensitive data in real time with minimal effort. It gives you full control and stops leaks so your teams can innovate confidently. Recognized as an RSA Innovation Sandbox finalist in 2024, Harmonic Security redefines data protection for the GenAI era.

Our platform gives organizations a complete view of where their data lives, how it’s used, and how to keep it safe, so they can reduce risk and unlock the full value of their data, wherever it is. Backed by more than $1.7 billion in funding from top-tier investors including Accel, Blackstone, Coatue, Cyberstarts, Georgian, Lightspeed, and Sequoia, Cyera’s unified data...

Darktrace, a global leader in cyber security AI, delivers world-class technology that protects over 5,500 customers worldwide from advanced threats, including ransomware and cloud and SaaS attacks. The company’s fundamentally different approach applies Self-Learning AI to enable machines to understand the business in order to autonomously defend it. Headquartered in Cambridge, UK, the company has 1,500 employees and over 30 offices worldwide. Darktrace...

As the team behind the most popular SAST, we built the Semgrep AppSec Platform to deliver industry-leading code, dependency, and secrets scanning to enable organizations to ship secure code quickly without slowing down development. With fast, customizable code analysis across large codebases, Semgrep helps teams catch vulnerabilities early and fix them faster.

Picus Security is the pioneer of Breach and Attack Simulation (BAS). The Picus Complete Security Control Validation Platform is trusted by leading organizations worldwide to continuously validate the effectiveness of security controls against cyber-attacks and supply actionable mitigation insights to optimize them. Picus has offices in North America, Europe and APAC and is supported by a global network of channel and...

Stytch is the most powerful identity platform built for developers. By powerful, we mean: **Comprehensive:** Stytch has everything you need to identify, authenticate, and manage your users, including fraud prevention tools like device fingerprinting. **Adaptable:** Stytch is the only auth provider that enables you to build directly with our APIs or our suite of SDKs, so you can deliver the ideal experience...

The Opal security platform, backed by Greylock, enables organizations to implement least privilege at scale. Through a combination of insights and workflows, Opal decentralizes access management away from overburdened teams. Without using agents or proxies, Opal is deployed on-premise and cloud in minutes. Opal is based in San Francisco and New York. For more information, please visit www.opal.dev or reach...

HackerOne empowers the world to build a safer internet. As the world’s trusted hacker-powered security platform, HackerOne gives organizations access to the largest community of hackers on the planet. Armed with the most robust database of vulnerability trends and industry benchmarks, the hacker community mitigates cyber risk by searching, finding, and safely reporting real-world security weaknesses for organizations across all...

At Kagi, we envision a web that's more human, more private, and more ethical. 🔍 Our core product is a premium search engine that delivers deep, powerful results that serve you - not advertisers: https://kagi.com/welcome 🌐 We're also the creators of the Orion Browser, a lightning-fast and private browser with zero telemetry and web extensions support: https://kagi.com/orion/

The Abnormal Security platform protects enterprises from targeted email attacks. Abnormal Behavior Technology (ABX) models the identity of both employees and external senders, profiles relationships and analyzes email content to stop attacks that lead to account takeover, financial damage and organizational mistrust. Though one-click, API-based Office 365 and G Suite integration, Abnormal sets up in minutes and does not disrupt...

Cyberhaven was founded by computer scientists and security experts from MIT and EPFL to rethink data security. Instead of stopping threats at the perimeter, we trace the full lineage of sensitive data, where it originates, how it moves, and who uses it. This breakthrough became the foundation of our data lineage platform, now powering Cyberhaven’s leadership in data detection and...

Coalfire is the cybersecurity advisor that helps private and public sector organizations avert threats, close gaps, and effectively manage risk. By providing independent and tailored advice, assessments, technical testing, and cyber engineering services, we help clients develop scalable programs that improve their security posture, achieve their business objectives, and fuel their continued success. Coalfire has been a cybersecurity thought leader...

SecureThings provides a real-time cybersecurity solution for connected vehicles. The multi-layered cybersecurity solution protects vehicles beginning from the telematics unit, ECU security to the in-vehicle network security. The solution is adaptive and builds intelligence using machine learning-based algorithms.

Lastline, Inc. provides innovative AI-powered network security products that detect and defeat advanced cyberattacks attempting to enter and operating within your network. We protect network, email, cloud, and web infrastructures, minimizing the risk of damaging and costly data breaches with fewer resources and at lower cost. We uniquely apply AI to the combination of network traffic and malware behaviors – what...

As a global leader in innovative wealth management, asset servicing and investment solutions, Northern Trust (Nasdaq: NTRS) is proud to guide the world’s most successful individuals, families and institutions by remaining true to our enduring principles of service, expertise and integrity. A globally recognized Fortune 500 Company in continuous operation since 1889, we’ve built a legacy of empowering clients to reach...

Prophet Security delivers the industry’s most comprehensive Agentic AI SOC Platform, purpose‑built to transform how security operations work. Our platform autonomously triages, investigates, and responds to alerts, eliminating repetitive manual work and enabling teams to focus on what matters most: defending against real threats. By automating the time‑intensive investigative tasks that bog down analysts, Prophet AI dramatically improves SOC efficiency, accelerates...

Tesseral is the open source platform for managing identity and access in business software. It provides enterprise-grade capabilities, including SAML single sign-on, SCIM provisioning, role-based access control, managed API keys, and audit logs, implemented in just a few lines of code.

Founded in 2015, we help companies big and small alike manage and audit access to their databases, servers, clusters, and web applications.

Area 1 Security is the premier cybersecurity company that protects the world’s email and cloud-based messaging from cyberattacks. Our mission is making INBOX.CLEAN™ a reality: stop phishing attacks — the root cause of upwards of 90% of breaches — before they reach users. Acquired by Cloudflare, April 2022.

Cradlepoint, part of Ericsson was born in Boise and built for wireless. We are a team of authentic, hard-working, and innovative people driven by a shared vision to Connect Beyond the limits of wired networks. We help customers utilize 4G and 5G cellular technology to connect people, places, and things — anywhere.