Local coverage for cybersecurity firms in Los Angeles is thin, so we've expanded to statewide listings in California. Showing 12 cybersecurity firms that serve Los Angeles clients.
Ranked listings
Ranked by tier and rating. Every listing is human vetted before it appears here.
How we rank
Providers are hand-vetted by our editorial team based on verified client history, domain authority, and AI footprint. Rankings within Los Angeles are then ordered by tier, verification status, rating, and review count — never by pay-to-rank.
CrowdStrike, a software company, provides next-generation endpoint protection, threat intelligence, and incident response services from Irvine, United States.
View listing
Fortinet is a multinational cybersecurity company founded in 2000 by brothers Ken Xie and Michael Xie, headquartered in Sunnyvale, California. Fortinet develops the FortiGate next-generation firewall (the most deployed network firewall globally), FortiSASE, FortiEDR, and the Fortinet Security Fabric integrating over 50 security products. The company serves over 755,000 customers worldwide and reported $5.9 billion in revenue for fiscal year 2024. Fortinet trades on NASDAQ under the ticker FTNT.
View listing
Okta is the leading independent identity and access management company, founded in 2009 by Todd McKinnon and Frederic Kerrest, headquartered in San Francisco, California. Okta provides cloud-based identity solutions including Single Sign-On (SSO), Multi-Factor Authentication (MFA), lifecycle management, and API access management through the Okta Identity Cloud. The company acquired Auth0 in 2021 for $6.5 billion. Okta serves over 19,300 customers and reported $2.6 billion in revenue for fiscal year 2025. Okta trades on NASDAQ under the ticker OKTA.
View listing
Zscaler is a cloud security company founded in 2007 by Jay Chaudhry, headquartered in San Jose, California. Zscaler operates the Zero Trust Exchange, the world's largest inline security cloud processing over 500 billion transactions daily across 150+ data centres. Products include Zscaler Internet Access (ZIA), Zscaler Private Access (ZPA), and Zscaler Digital Experience (ZDX). The company serves over 8,100 customers including 40% of the Fortune 500 and reported $2.2 billion in revenue for fiscal year 2025. Zscaler trades on NASDAQ under the ticker ZS.
View listing
Palo Alto Networks is the world's largest cybersecurity company by market capitalisation, founded in 2005 by Nir Zuk and headquartered in Santa Clara, California. The company provides next-generation firewalls, cloud security (Prisma Cloud), SOC automation (Cortex XSIAM), and zero trust network access. Palo Alto Networks serves over 80,000 customers including 85 of the Fortune 100 and reported $8.6 billion in revenue for fiscal year 2025. The company trades on NASDAQ under the ticker PANW.
View listing
SentinelOne is an AI-native cybersecurity company founded in 2013 by Tomer Weingarten and Almog Cohen, headquartered in Mountain View, California. The company provides the Singularity Platform for autonomous endpoint protection, cloud workload security, and identity threat detection powered by AI models that detect and respond to threats without human intervention. SentinelOne serves over 12,000 customers and reported $621 million in revenue for fiscal year 2025. The company trades on NYSE under the ticker S.
View listing
Palo Alto Networks is the worlds largest cybersecurity company by revenue with $8 billion+ annually, providing the Prisma SASE platform for zero trust network access, cloud security, and AI-driven threat prevention. The company serves 80,000+ customers across 150+ countries with next-generation firewalls and security operations.
View listing
Zscaler is the worlds largest cloud security company and the pioneer of zero trust architecture, operating the Zero Trust Exchange platform that processes over 400 billion daily transactions for 40% of Fortune 500 companies. The NASDAQ-listed company replaces traditional firewalls and VPNs with cloud-native, identity-based access controls.
View listing
Okta is the leading independent identity and access management platform, providing zero trust identity solutions including single sign-on, multi-factor authentication, and lifecycle management for over 19,000 organisations. The NASDAQ-listed company powers secure access for employees, customers, and partners at companies including JetBlue, Nordstrom, and T-Mobile.
View listing
Cloudflare Zero Trust replaces legacy VPNs and firewalls with a global edge network that verifies every user, device, and application request. Part of the Cloudflare connectivity cloud serving 20% of all websites, the zero trust platform provides secure access, DNS filtering, browser isolation, and data loss prevention for organisations of all sizes.
View listing
Transcend is a data privacy infrastructure company providing automated data subject request fulfillment, consent management, and data mapping across an organisations entire tech stack.
View listing
Securiti provides a unified data controls platform using AI to automate privacy, security, governance, and compliance across multi-cloud environments with 70+ out-of-box regulatory templates.
View listing
Same category · other cities
Same city · other categories
Browse SEO agencies serving Los Angeles and California.
View listings
Browse web design and development agencies serving Los Angeles and California.
View listings
Browse lawyers and law firms serving Los Angeles and California.
View listings
Browse internet marketing agencies serving Los Angeles and California.
View listings
Frequently asked
CrowdStrike currently holds the #1 rank on DirJournal's Cybersecurity & Digital Defense listing for Los Angeles, California. Rankings are recalculated as providers earn verification, publish pricing tiers, and accumulate reviews. See the ranked grid above for the full top 12.
Most cybersecurity firms publish pricing tiers on their DirJournal profile. Click any provider above to see their tiers, starting rate, and typical engagement size. Where pricing isn't listed, request a quote directly through the provider's contact link.
Providers are hand-vetted by our editorial team, then ranked by verification status, tier, rating, and review count. Only published listings appear. Location matching for the Los Angeles page runs city-first, expanding to statewide (California) or nationwide only when local coverage is thin — this is clearly disclosed on the page when it happens.
No. Because we don't yet index enough cybersecurity firms inside Los Angeles specifically, this page falls back to statewide coverage across California. Every provider listed serves Los Angeles clients but may be headquartered elsewhere in the state.
For buyers
See every verified provider in the category, not just the ones serving Los Angeles.
Browse all Cybersecurity & Digital DefenseFor providers
Add your business in about 5 minutes. Editor review, then indexed by ChatGPT, Perplexity, Gemini, and Claude.
List your business