CRWD vs ZS: How CrowdStrike Holdings and Zscaler Compare (2026)

Short answer

CRWD (CrowdStrike Holdings) and ZS (Zscaler) are often compared because they share investment themes, but they are different businesses. CrowdStrike is a leading cloud-native cybersecurity company best known for endpoint protection: software that secures laptops, servers, cloud workloads, and other devices against malware, ransomware, and intrusions. Zscaler is a cloud-native cybersecurity company built around the zero trust security model. Neither is universally better: pick by which thesis you are expressing and what you already own. This is descriptive, not a recommendation.

What does CrowdStrike Holdings (CRWD) do?

CrowdStrike is a leading cloud-native cybersecurity company best known for endpoint protection: software that secures laptops, servers, cloud workloads, and other devices against malware, ransomware, and intrusions. Its Falcon platform uses a single lightweight agent and a cloud-delivered model that collects vast amounts of threat telemetry, applies AI and machine learning to detect attacks, and lets customers add modules across many security categories. Beyond endpoint, CrowdStrike has expanded into cloud security, identity protection, threat intelligence, security operations and log management (Next-Gen SIEM after acquiring Humio/LogScale), exposure management, and managed detection and response. It makes money primarily through recurring subscriptions, with customers often adopting more Falcon modules over time, driving strong net revenue retention. CrowdStrike is one of the fastest-growing large cybersecurity vendors and a platform-consolidation play, helping enterprises replace multiple point tools. It is headquartered in Austin, Texas, and serves enterprises and governments worldwide.

Full CRWD guide

What does Zscaler (ZS) do?

Zscaler is a cloud-native cybersecurity company built around the zero trust security model. Instead of routing traffic through a traditional corporate network perimeter, Zscaler operates a globally distributed cloud platform that sits between users and the applications they access, inspecting traffic and enforcing security policy in real time. Its two flagship products are Zscaler Internet Access (ZIA), which secures connections to the public internet and SaaS apps, and Zscaler Private Access (ZPA), which connects users directly to private applications without exposing the corporate network.

Full ZS guide

CRWD vs ZS: how do they differ?

Both fit overlapping themes, but they are not interchangeable. CrowdStrike Holdings is best understood through its own drivers, and Zscaler through its. The useful comparison is which set of drivers and risks you want exposure to.

CRWD drivers: Platform consolidation and module land-and-expand; AI-driven detection and data advantage.
ZS drivers: Zero trust replacing legacy perimeter; Platform expansion and upsell.

CRWD or ZS: which should you pick?

Pick CRWD if you believe its drivers more; ZS if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the CRWD and ZS guides.

The bottom line: CRWD vs ZS

CRWD and ZS are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined CRWD and ZS exposure against your real portfolio. It is not an investment adviser.

Build a basket around CRWD with Walnut

Use CrowdStrike Holdings as one constituent in a thematic basket Walnut's AI helps you assemble. Describe a thesis you believe in, the AI proposes the holdings and weights, and you approve before any broker order.

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FAQ

What is the difference between CRWD and ZS?

CrowdStrike is a leading cloud-native cybersecurity company best known for endpoint protection: software that secures laptops, servers, cloud workloads, and other devices against malware, ransomware, and intrusions. Zscaler is a cloud-native cybersecurity company built around the zero trust security model. They show up together because they share investment themes, but they are different businesses, so the better fit depends on which thesis you are expressing.

Is CRWD or ZS the better stock?

Walnut is informational, not investment advice. Neither is universally better; CRWD and ZS suit different views and risk levels. Compare what each does, how they make money, and the risks, then decide which fits your thesis and what you already own.

Should you own both CRWD and ZS?

Because they share themes, owning both concentrates you in that theme. That can be intentional (a focused bet) or accidental (less diversification than it looks). Walnut can show your combined exposure across both before you add the second.

What are the risks of CRWD vs ZS?

CRWD: CrowdStrike trades at a very high valuation that prices in sustained rapid growth, leaving little room for disappointment. The July 2024 faulty software update that triggered a massive global IT outage damaged trust, prompted customer commitment packages and incentives that pressured near-term metrics, and raised litigation and reputational risk; rebuilding full confidence takes time. Competition is fierce from Microsoft (Defender, bundled with its broad suite), Palo Alto Networks, SentinelOne, Zscaler, and others, and Microsoft's bundling can pressure pricing. A slowdown in IT and security spending, execution missteps, or any major security failure could compress the multiple sharply. Stock-based compensation and rich expectations are ongoing concerns. ZS: Zscaler trades at a high revenue multiple, so any deceleration in growth or billings can compress the stock sharply. Competition is intensifying: Palo Alto Networks, Cisco, Cloudflare, and Microsoft all push secure access service edge (SASE) offerings, and Microsoft can bundle security into existing enterprise agreements at aggressive prices. Sales cycles for large deals can lengthen in tighter IT budget environments. The company has historically run GAAP losses due to heavy stock-based compensation, which dilutes shareholders even as free cash flow is positive. Founder-CEO concentration and a premium valuation amplify volatility around quarterly results.

Walnut is informational, not investment advice. This page is descriptive and not a recommendation to buy or sell CRWD or ZS; figures are approximate and dated. Verify current data before investing.