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101 Top San Francisco Security Companies and Startups of 2021 - Best Startup US

101 Top San Francisco Security Companies and Startups of 2021

June 18, 2021
Top Companies (Navigation) show

This article showcases our top picks for the best San Francisco based Security companies. These startups and companies are taking a variety of approaches to innovating the Security industry, but are all exceptional companies well worth a follow.

We tried to pick companies across the size spectrum from cutting edge startups to established brands.

We selected these startups and companies for exceptional performance in one of these categories:

  • Innovation
    • Innovative ideas
    • Innovative route to market
    • Innovative product
  • Growth
    • Exceptional growth
    • Exceptional growth strategy
  • Management
  • Societal impact

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Top San Francisco Security Startups

Data sourced from Crunchbase and SemRush.

Fastly

Fastly

Crunchbase Website Twitter Facebook Linkedin

Fastly helps digital businesses keep pace with their customer expectations by delivering secure and online experiences.

Sift

Sift

Crunchbase Website Twitter Facebook Linkedin

Sift applies insights from a global network of data to detect fraud and increase positive user experience.

Sift

Cloudflare

Crunchbase Website Twitter Facebook Linkedin

Cloudflare is a web performance and security company that provides online services to protect and accelerate websites online.

Sift

HashiCorp

Crunchbase Website Twitter Facebook Linkedin

HashiCorp is a remote-first company that solves development, security, and operations challenges in infrastructure.

Sift

Vanta

Crunchbase Website Twitter Facebook Linkedin

Vanta is an automated security monitoring platform that helps companies get SOC 2, HIPAA, or ISO 27001 certified quickly.

Sift

Sysdig

Crunchbase Website Twitter Facebook Linkedin

Sysdig is a cloud-native visibility and security company that provides cloud and container security for enterprises and their DevOps teams.

Sift

Arkose Labs

Crunchbase Website Twitter Facebook Linkedin

Arkose Labs provides fraud prevention, anti-spam, and abuse analysis for businesses, companies, and industries.

Sift

[redacted]

Crunchbase Website Twitter Facebook Linkedin

Redacted is a cybersecurity provider that disrupts customer’s adversaries and protect their businesses.

Sift

Privacera

Crunchbase Website Twitter Facebook Linkedin

Privacera is a SaaS-based data security and governance platform that offers data sharing without compromising regulatory compliance.

Sift

Abnormal Security

Crunchbase Website Twitter Facebook Linkedin

Abnormal Security is an email security company that protects enterprises and organizations from targeted email attacks.

Sift

Lookout

Crunchbase Website Twitter Facebook Linkedin

Lookout is a cybersecurity company that predicts and stops mobile attacks before harm is done to an individual or an enterprise.

Sift

UpGuard

Crunchbase Website Twitter Facebook Linkedin

UpGuard is a cyber resilience platform, designed to proactively assess and manage the business risks posed by technology.

Sift

HackerOne

Crunchbase Website Twitter Facebook Linkedin

HackerOne is a powered security platform that connects businesses with penetration testers and cybersecurity researchers.

Sift

Cobalt

Crunchbase Website Twitter Facebook Linkedin

Cobalt is a PTaaS platform that transforms traditional pentesting into a data-driven vulnerability management engine.

Sift

Protocol Labs

Crunchbase Website Twitter Facebook Linkedin

Protocol Labs is a research, development, and deployment lab for network protocols.

Sift

Kenna Security

Crunchbase Website Twitter Facebook Linkedin

Kenna is a SaaS risk and vulnerability intelligence platform that accurately measures risk and prioritizes remediation efforts.

Sift

Very Good Security

Crunchbase Website Twitter Facebook Linkedin

Very Good Security is a fintech & data security enablement platform helping to maximize the value of data without compliance & breach risk.

Sift

OneLogin

Crunchbase Website Twitter Facebook Linkedin

OneLogin is a cloud identity and access management solution that enables enterprises to secure all apps for their users on all devices.

Sift

Zignal Labs

Crunchbase Website Twitter Facebook Linkedin

Zignal analyzes billions of digital stories in real time to help customers discover and manage the narratives that can help or harm them.

Sift

Bugcrowd

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Bugcrowd harnesses the power of a global community of security researchers to surface critical software vulnerabilities.

Sift

TruSTAR

Crunchbase Website Twitter Facebook Linkedin

TruSTAR is a cloud native Intelligence Management platform that transforms and automates data for security operations.

Sift

Coalition

Crunchbase Website Twitter Facebook Linkedin

Coalition operates as a cyber insurance and security company that helps businesses manage and mitigate cyber risks.

Sift

Envoy

Crunchbase Website Twitter Facebook Linkedin

Envoy is transforming modern workplaces, challenging the status quo with innovations that make office life and work more meaningful.

Sift

Kentik

Crunchbase Website Twitter Facebook Linkedin

Kentik is the network observability company.

Sift

OPSWAT

Crunchbase Website Twitter Facebook Linkedin

OPSWAT protects critical infrastructure by enabling the safe transfer of files and devices to and from secure environments.

Sift

Nozomi Networks

Crunchbase Website Twitter Facebook Linkedin

Nozomi Networks offers cybersecurity and operational visibility solutions for industrial control systems or ICS.

Sift

Valimail

Crunchbase Website Twitter Facebook Linkedin

Valimail is an email security company that offers zero-trust, authentication-based solutions for organizations.

Sift

Tigera

Crunchbase Website Twitter Facebook Linkedin

Kubernetes security and observability in minutes. Any Kubernetes distribution, any cloud, any application.

Sift

Ankr

Crunchbase Website Twitter Facebook Linkedin

Ankr is a Web3-native infrastructure platform.

Sift

AppOmni

Crunchbase Website Twitter Facebook Linkedin

AppOmni is a SaaS security management solution that enables security and IT teams to secure applications used by their employees.

Sift

Expanse

Crunchbase Website Twitter Facebook Linkedin

Expanse is an enterprise software company that provides an updated view of all internet-connected assets that belong to an organization.

Sift

Dedrone

Crunchbase Website Twitter Facebook Linkedin

Dedrone develops drone detection technology with automated, software-based aerial intrusion.

Sift

Corelight

Crunchbase Website Twitter Facebook Linkedin

Corelight offers network traffic analysis solutions for cybersecurity.

Sift

DataGrail

Crunchbase Website Twitter Facebook Linkedin

DataGrail is a data privacy startup that helps businesses navigate the growing array of privacy regulations.

Sift

RiskIQ

Crunchbase Website Twitter Facebook Linkedin

RiskIQ provides digital threat management solutions to reduce your attack surface and detect threats across web, mobile, and social channels

Sift

CloudPassage

Crunchbase Website Twitter Facebook Linkedin

CloudPassage offers a server security and compliance platform that works seamlessly across data centers and elastic infrastructure.

Sift

Digital Shadows

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Digital Shadows identifies unwanted exposure, protect against external threats, and minimize digital risk.

Sift

Synapse

Crunchbase Website Twitter Facebook Linkedin

Synapse is a banking platform that enables companies to provide financial products to their customers.

Sift

Horizon3.ai

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With Horizon3.ai, assess the attack surface of your hybrid cloud to find & fix attack vectors before criminals exploit them

Sift

Secureframe

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Secureframe is a provider of security and compliance software services.

Sift

Okera

Crunchbase Website Twitter Facebook Linkedin

Okera provides secure data access at scale so that data teams have the confidence to unlock the power of their data for innovation & growth

Sift

DocSend

Crunchbase Website Twitter Facebook Linkedin

DocSend is a secure document sharing and tracking solution that helps companies share business-critical documents with ease.

Sift

Zimperium

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ZIMPERIUM is a mobile security startup that offers protection for mobile devices against the next generation of advanced mobile attacks.

Sift

Harbor

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Harbor is helping to power the next big wave in capital markets – tokenized securities – by automating regulatory compliance.

Sift

Aleo

Crunchbase Website Twitter Facebook Linkedin

Aleo is building the world’s leading developer platform for enabling absolute privacy on blockchains.

Sift

Panther Labs

Crunchbase Website Twitter Facebook Linkedin

Panther is a cybersecurity startup offering a platform for detecting threats and providing security insights at cloud-scale

Sift

Sosivio

Crunchbase Website Twitter Facebook Linkedin

Sosivio is the only non-intrusive Autonomous Cloud Native platform

Sift

Banyan Security

Crunchbase Website Twitter Facebook Linkedin

Banyan Security provides a zero trust network access platform for hybrid and multi-cloud environments.

Sift

Bridgecrew

Crunchbase Website Twitter Facebook Linkedin

Bridgecrew is a developer of a codified cloud security platform used to help organizations deploy cloud security engineering.

Sift

TerraTrue

Crunchbase Website Twitter Facebook Linkedin

TerraTrue is a privacy platform designed to work with product development.

Sift

Traceable

Crunchbase Website Twitter Facebook Linkedin

Traceable is a startup developing an end-to-end cloud app security solution.

Sift

NuCypher

Crunchbase Website Twitter Facebook Linkedin

NuCypher is a cryptography company that builds privacy-preserving infrastructure and protocols.

Sift

TAC Security

Crunchbase Website Twitter Facebook Linkedin

TAC Security is a global leader in vulnerability management that protects Fortune 500 companies, large enterprises & governments globally.

Sift

Aptible

Crunchbase Website Twitter Facebook Linkedin

Compliance monitoring and automation

Sift

Orchid Labs

Crunchbase Website Twitter Facebook Linkedin

Orchid Labs is an open-source project committed to ending surveillance and censorship on the internet.

Sift

Odaseva

Crunchbase Website Twitter Facebook Linkedin

Odaseva is the leading Enterprise Data Platform for Salesforce offering powerful tools to keep Salesforce data protected

Sift

Meraki

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Meraki provides Cisco-based, cloud-controlled Wi-Fi and routing and security products for distributed wired and wireless networks.

Sift

Quantstamp

Crunchbase Website Twitter Facebook Linkedin

Leaders in Blockchain Security

Sift

Wallarm

Crunchbase Website Twitter Facebook Linkedin

Cloud Native App and API Security products for DevSecOps teams

Sift

Blue Hexagon

Crunchbase Website Twitter Facebook Linkedin

Blue Hexagon offers an on-device machine learning-based malware detection.

Sift

Castle

Crunchbase Website Twitter Facebook Linkedin

Account security and fraud prevention for developers, teams, and enterprises.

Sift

i2Chain

Crunchbase Website Twitter Facebook Linkedin

i2Chain is a SaaS platform that secures information and delivers privacy compliant clouds, folders, and files.

Sift

PSafe Technology

Crunchbase Website Twitter Facebook Linkedin

PSafe develops Internet security software for mobile devices in Latin America.

Sift

Fleetsmith

Crunchbase Website Twitter Facebook Linkedin

Fleetsmith puts Apple device management and security on auto-pilot.

Sift

Persona

Crunchbase Website Twitter Facebook Linkedin

Persona is the first all-in-one identity platform securely built to help you serve the real people of your business.

Sift

Resilience

Crunchbase Website Twitter Facebook Linkedin

Making organizations cyber secure by providing them the tools, guidance, and solutions to insure and secure their data.

Sift

Sym

Crunchbase Website Twitter Facebook Linkedin

Sym is a security workflow platform that solves the intent-to-execution gap between policies and workflows.

Sift

Zeguro

Crunchbase Website Twitter Facebook Linkedin

Zeguro is a cyber insurance startup focusing on helping small businesses mitigate their cyber risks.

Sift

Calypso AI

Crunchbase Website Twitter Facebook Linkedin

Calypso AI provides a platform that allows organizations to accelerate their use of AI technologies.

Sift

Picus Security

Crunchbase Website Twitter Facebook Linkedin

Picus developed a novel and holistic approach to IT security: Continuous Security Validation

Sift

Preempt Security

Crunchbase Website Twitter Facebook Linkedin

Preempt secures all workforce identities everywhere.

Sift

r2c

Crunchbase Website Twitter Facebook Linkedin

r2c operates as a software security startup.

Sift

CoreOS

Crunchbase Website Twitter Facebook Linkedin

CoreOS builds industry-leading infrastructure software to securely run application containers anywhere.

Sift

Enigma

Crunchbase Website Twitter Facebook Linkedin

Enigma shares and analyzes encrypted data.

Sift

Remediant

Crunchbase Website Twitter Facebook Linkedin

Remediant provides enterprises with Privileged Access Management (PAM) software to help them protect their accounts from misuse and abuse.

Sift

Scalarr

Crunchbase Website Twitter Facebook Linkedin

Ant-Fraud Solution that Detects the Mobile Ad Fraud Using Machine Learning

Sift

Bastille Networks Internet Security

Crunchbase Website Twitter Facebook Linkedin

Bastille Networks Internet Security provides threat detection and security for the internet of things.

Sift

Paubox

Crunchbase Website Twitter Facebook Linkedin

Secure email for modern healthcare. Right out of the box. HITRUST CSF certified.

Sift

OpenDNS

Crunchbase Website Twitter Facebook Linkedin

OpenDNS is a provider of Internet security and Domain Name System services for homes and businesses.

Sift

GlobaliD

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Create and manage your own portable, digital identity with globaliD.

Sift

Indeni

Crunchbase Website Twitter Facebook Linkedin

Indeni makes it easy to manage the critical network infrastructure of digital businesses.

Sift

Deepfence Inc

Crunchbase Website Twitter Facebook Linkedin

Kubernetes, Serverless and Virtual Machines, Deepfence protects it all. Pioneering industry’s first Cloud Native DPI technology.

Sift

VISO Trust

Crunchbase Website Twitter Facebook Linkedin

SaaS third party cyber risk management for the modern enterprise

Sift

Ananda Networks

Crunchbase Website Twitter Facebook Linkedin

Ananda Networks is a cloud-managed service that enables organizations to create their own private networks.

Sift

zecOps

Crunchbase Website Twitter Facebook Linkedin

ZecOps is a cybersecurity automation company that finds attackers’ mistakes.

Sift

Prism Skylabs

Crunchbase Website Twitter Facebook Linkedin

Prism is a cloud-based video intelligence platform that transforms video cameras into powerful business tools.

Sift

Paladin Cyber

Crunchbase Website Twitter Facebook Linkedin

Paladin is cybersecurity simplified. Our mission is to make cybersecurity accessible and practical for all companies.

Sift

enSilo

Crunchbase Website Twitter Facebook Linkedin

enSilo protects businesses around the world from data breaches and disruption caused by cyber attacks.

Sift

Umbo Computer Vision

Crunchbase Website Twitter Facebook Linkedin

Umbo CV is an artificial intelligence company developing autonomous video security products for enterprises.

Sift

Opora

Crunchbase Website Twitter Facebook Linkedin

Opora develops cyber threat intelligence technologies.

Sift

Apisec.ai

Crunchbase Website Twitter Facebook Linkedin

Apisec.ai is an enterprise-class API security management platform that delivers instant and continuous API security coverage and compliance

Sift

Rubica

Crunchbase Website Twitter Facebook Linkedin

Advanced cybersecurity for remote workers & mixed-use device environments. Threat detection & prevention built for ease-of-use.

Sift

Nightingale Security

Crunchbase Website Twitter Facebook Linkedin

Nightingale Security is a autonomous drone solution in aerial robotic security.

Sift

Vectrix.io

Crunchbase Website Twitter Facebook Linkedin

Scan your cloud & SaaS apps and detect security issues instantly

Sift

Appthority

Crunchbase Website Twitter Facebook Linkedin

Appthority is the global leader in enterprise mobile threat protection. We keep security teams informed, employees productive and enterpr

Sift

Cerby

Crunchbase Website Twitter Facebook Linkedin

Cerby is a cybersecurity company focused on helping enterprises harness Shadow IT.

Sift

Citus Data

Crunchbase Website Twitter Facebook Linkedin

Citus Data horizontally scales PostgreSQL, taking relational power further for real-time data.

Sift

Averon

Crunchbase Website Twitter Facebook Linkedin

Averon is the developer of the Direct Autonomous Authentication (DAA), the first fully automatic, secure mobile identity standard

Sift

SafeBase

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SafeBase helps B2B SaaS companies close enterprise deals faster by streamlining the security assessment process.

Sift

Insight Engines

Crunchbase Website Twitter Facebook Linkedin

Making machine data accessible to everyone via natural language processing

Sift

Kogniz

Crunchbase Website Twitter Facebook Linkedin

Kogniz is a artificial intelligence security product company.

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