Depth First vs Zscaler

Side-by-side comparison of AI visibility scores, market position, and capabilities

Zscaler leads in AI visibility (90 vs 59)
Depth First logo

Depth First

ChallengerSecurity

AI Application Security

AI-native cybersecurity platform (General Security Intelligence). Founded Oct 2024, SF. $120M total raised ($40M Series A + $80M Series B in Q1 2026). Private.

AI VisibilityBeta
Overall Score
C59
Category Rank
#69 of 279
AI Consensus
80%
Trend
up
Per Platform
ChatGPT
61
Perplexity
57
Gemini
55

About

Depth First (depthfirst) is an AI-native cybersecurity company founded in October 2024 by Qasim Mithani (CEO, ex-Databricks/Amazon), Daniele Perito (ex-Square/Block), and Andrea Michi (CTO, ex-Google DeepMind). Headquartered in San Francisco, the company builds General Security Intelligence (GSI), a platform that uses AI to scan codebases and infrastructure for complex vulnerabilities, prioritize real issues, and provide ready-to-merge fixes.

Full profile
Zscaler logo

Zscaler

LeaderSecurity

Zero Trust

San Jose zero trust security (NASDAQ: ZS) surpassing $3B ARR FY2025; 500B+ daily transactions across 160+ data centers for 8,650+ enterprises and 35% Forbes Global 2000 competing with Palo Alto Prisma for enterprise zero trust.

AI VisibilityBeta
Overall Score
A90
Category Rank
#4 of 279
AI Consensus
81%
Trend
stable
Per Platform
ChatGPT
90
Perplexity
96
Gemini
95

About

Zscaler is a San Jose, California-based cloud security company — publicly traded on NASDAQ (NASDAQ: ZS) at approximately $30 billion market capitalization — operating the world's largest security cloud, the Zscaler Zero Trust Exchange, that processes 500+ billion daily transactions across 160+ data centers globally. In fiscal year 2025 (ended July 31, 2025), Zscaler surpassed $3 billion in annual recurring revenue (ARR) with Q4 FY2025 revenue of $719.2 million (21% year-over-year growth), serving 8,650+ enterprise customers including 35% of the Forbes Global 2000. The platform's flagship products — Zscaler Internet Access (ZIA, secure web gateway), Zscaler Private Access (ZPA, zero trust network access), and Zscaler Digital Experience (ZDX, application performance monitoring) — have eliminated traditional VPN and network perimeter architectures for thousands of enterprises. Founded in 2007 by CEO Jay Chaudhry (serial security entrepreneur who built and sold four prior security companies); IPO March 2018.

Full profile

AI Visibility Head-to-Head

59
Overall Score
90
#69
Category Rank
#4
80
AI Consensus
81
up
Trend
stable
61
ChatGPT
90
57
Perplexity
96
55
Gemini
95
62
Claude
89
55
Grok
91

Key Details

Category
AI Application Security
Zero Trust
Tier
Challenger
Leader
Entity Type
brand
company

Capabilities & Ecosystem

Capabilities

Only Depth First
AI Application Security
Only Zscaler
Zero Trust

Integrations

Only Zscaler
Zscaler is classified as company.

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