San Francisco, CaliforniaHuman vetted since 2007
Best Cybersecurity & Digital Defense in San Francisco
5 cybersecurity firms serving the San Francisco, California area, ranked by tier and rating.
- Verified providers
- 4 verified / 5 listed
- Last updated
- Last updated August 2026
Ranked listings
Top Cybersecurity & Digital Defense in San Francisco, CA
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 San Francisco are then ordered by tier, verification status, rating, and review count — never by pay-to-rank.
#1
Cybersecurity & Digital DefenseVerified
Okta
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.
San Francisco, CaliforniaFounded 2009
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#2
Cybersecurity & Digital DefenseVerified
Okta
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.
San Francisco, California
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#3
Cybersecurity & Digital DefenseVerified
Cloudflare Zero Trust
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.
San Francisco, California
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#4
Cybersecurity & Digital DefenseVerified
Transcend
Transcend is a data privacy infrastructure company providing automated data subject request fulfillment, consent management, and data mapping across an organisations entire tech stack.
San Francisco, California
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#5HA
Cybersecurity & Digital Defense
HackerOne AI Red Teaming
HackerOne provides AI red teaming services combining expert human researchers with agentic testing tools to evaluate AI systems for jailbreaks, prompt injection, misalignment, and policy violations. Based in San Francisco, the platform delivers validated findings mapped to OWASP LLM Top 10, MITRE ATLAS, and NIST AI RMF frameworks with prioritized remediation recommendations.
San Francisco, California
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Cybersecurity & Digital Defense in other US cities
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- Philadelphia, PA
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- Seattle, WA
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- Louisville, KY
- Baltimore, MD
- Milwaukee, WI
- Albuquerque, NM
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- Kansas City, MO
- Atlanta, GA
- Omaha, NE
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- Raleigh, NC
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- Minneapolis, MN
- Tampa, FL
- Miami, FL
- Cleveland, OH
- Pittsburgh, PA
- Cincinnati, OH
- Orlando, FL
- St. Louis, MO
- San Jose, CA
- Boston, MA
- Detroit, MI
- Columbus, OH
- Fort Worth, TX
- El Paso, TX
- Honolulu, HI
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Frequently asked
About Cybersecurity & Digital Defense in San Francisco
What is the top-rated Cybersecurity & Digital Defense in San Francisco?
Okta currently holds the #1 rank on DirJournal's Cybersecurity & Digital Defense listing for San Francisco, California. Rankings are recalculated as providers earn verification, publish pricing tiers, and accumulate reviews. See the ranked grid above for the full top 5.
How much do cybersecurity firms typically cost in San Francisco?
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.
How does DirJournal rank cybersecurity firms for San Francisco?
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 San Francisco 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.
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