Zscaler (ZS)

Statistics

Metric	Value
Last Close	$151.20
Blended Price Target	141.40
Blended Margin of Safety	-6.5% Fairly Valued
Rule of 40 (Next)	43.0%
Rule of 40 (Current)	51.0%
FCF-ROIC	26.0%
Sales Growth Next Year	17.0%
Sales Growth Current Year	25.0%
Sales 3-Year Avg	25.2%
Industry	Software - Infrastructure

Analysis

Zscaler is a high-quality software business with a durable growth profile, but not a sleepy one. Its model is anchored in security subscriptions that renew over time, which gives the company more visibility than a usage-based or services-heavy vendor, while still leaving room for expansion as customers add products and broaden deployments. Recent company disclosures show continued double-digit growth in revenue and annual recurring revenue, which suggests the business still has meaningful runway rather than being trapped in a mature replacement cycle.^[2][12]

Its moat is real, but it is not absolute. Zscaler benefits from a cloud-native architecture, broad customer adoption, and a security posture that becomes more valuable as more traffic and identities flow through its platform. That creates switching costs and operational embeddedness, especially in large enterprises. Leadership also looks credible: the company remains founder-influenced and the management team has been guided by a long-tenured CEO who has steered the transition from a niche zero-trust provider to a broader platform. The main question is not whether the business is strong, but how long it can keep compounding before competitive and budget pressures narrow the advantage.^[12][14]

What the Company Does

Zscaler sells cloud security software that helps organizations connect users, devices, and applications without relying on a traditional corporate network perimeter. In plain terms, it sits between the user and the internet or private applications and filters access, monitors risk, and enforces policy in the cloud. The company makes most of its money through subscriptions to its security platform rather than one-off projects or hardware sales.^[14]

Recent public materials indicate a mix centered on core zero-trust access and security services, with additional product expansion around data protection, analytics, and broader platform modules. The company does not always break out revenue by segment in a way that is useful for outside investors, so the better view is qualitative: the core platform still dominates, while newer modules help deepen customer relationships and increase spend over time.^[12][14]

Revenue Recurrence & Predictability

Zscaler’s revenue is primarily subscription-based and therefore highly recurring. Customers typically contract for access over multi-year periods, and the company’s recent disclosures continue to show strong annual recurring revenue growth, which is the clearest sign that the revenue base is contractual rather than transactional.^[12]

That said, predictability is not perfect. Enterprises can slow expansion, stretch buying decisions, or reduce seat growth when budgets tighten, so the business has more visibility than a pure consumption model but less certainty than a utility-like recurring stream. The recurring nature is strong enough to support planning, and recent growth in deferred revenue and remaining performance obligations points to a solid backlog of future recognized revenue.^[2][12]

Revenue Growth Durability

Zscaler likely has room to sustain above-market growth for several more years, but the rate should gradually normalize as its installed base gets larger. The company still appears to be in the process of deepening penetration inside large enterprises, which creates room for more modules, more users, and more traffic secured through the platform.^[12][14]

The biggest growth levers are customer expansion, product cross-sell, and continued migration away from legacy network architectures. Structural tailwinds remain favorable, especially zero-trust adoption and the move to cloud-based security. The main headwind is that the company is already well known in its category, so incremental growth must increasingly come from broader platform adoption rather than simple awareness.^[12]

Economic Moat

Zscaler’s moat comes primarily from switching costs and platform embeddedness. Once a large organization routes access and security policies through the platform, changing vendors can be disruptive, costly, and operationally risky. That gives Zscaler a stronger retention profile than a point product with little workflow integration.^[12][14]

The moat is also reinforced by scale and product breadth. More usage and more deployment data can improve efficacy and reinforce customer trust, while broader capabilities make the platform harder to displace. I would characterize the moat as holding firm rather than rapidly widening: competition in cloud security is intense, but Zscaler’s architecture and customer footprint still provide meaningful protection.^[12]

Management & Leadership

Zscaler is founder-led in the practical sense that co-founder Jay Chaudhry remains the central executive figure and has led the company for many years. That tenure gives the firm strategic continuity, especially in a category where platform credibility and product vision matter.^[14]

The long record is a strength because the company has executed a clear transition from early-stage product-market fit to a scaled enterprise security platform. Public disclosures do not suggest aggressive capital allocation experiments; instead, leadership has largely focused on reinvesting in product, go-to-market, and platform expansion. Insider ownership details were not clearly available in the recent materials reviewed, so I would not assign a precise level without a current filing.^[12][14]

Key Risks

Competition is the most obvious risk. Zscaler operates in a crowded and fast-moving security market where large incumbents and well-funded specialists can bundle adjacent products, pressure pricing, and challenge new feature launches. If customers view zero-trust access as just one feature among many rather than a standalone platform, differentiation can narrow over time.^[14]

A second risk is technology and execution. Security buyers expect rapid innovation, especially around AI-driven detection, data protection, and identity-aware access. If product cycles slow or integration quality slips as the platform broadens, customer expansion could weaken even if retention remains healthy.^[12][14]

Macro and customer-budget risk also matters. Zscaler sells to enterprises, and those customers can delay expansions or reduce new seat deployments during periods of uncertainty. Because the model depends not just on renewals but also on upsell and broader adoption, slower IT spending can show up quickly in growth rates even when the recurring base remains intact.^[2][12]

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Sources

1. https://help.zscaler.com/business-insights/downloading-business-insights-reports
2. https://www.sec.gov/Archives/edgar/data/1713683/000171368325000078/zs-04302025_991.htm
3. https://www.deepresearchglobal.com/p/zscaler-swot-analysis-report
4. https://stockstory.org/us/stocks/nasdaq/zs
5. https://www.cnbc.com/2026/05/27/zscaler-zs-earnings-q3-2026.html
6. https://www.zscaler.com/products-and-solutions/business-analytics
7. https://www.zscaler.com/blogs/product-insights/empowering-distributed-organizations-zscaler-business-analytics
8. https://finance.yahoo.com/markets/stocks/articles/zs-q1-deep-dive-sales-105724332.html
9. https://zerotrust.cio.com/beyond-traditional-data-protection/idc-study-the-business-value-of-zscaler-data-protection/
10. https://www.marketscreener.com/news/zscaler-quarterly-report-for-quarter-ending-april-30-2026-form-10-q-ce7f5ad2da8cf220
11. https://www.useluminix.com/reports/company-overviews/zscaler-company-overview-zero-trust-security-platform-financials-and-market-position-2026
12. https://ir.zscaler.com/static-files/9031ec42-ef22-4f5a-894b-b9ef5f592a08
13. https://finance.yahoo.com/markets/stocks/articles/zscaler-inc-zs-q3-2026-050030824.html
14. https://ir.zscaler.com/
15. https://ir.zscaler.com/static-files/fcc804e5-d2ec-474e-a8f1-bfdbc394f082
16. https://www.youtube.com/watch?v=bR-rS2LJMXw