Zscaler Inc.

01. Company

Zscaler is a publicly traded cybersecurity company founded in 2007 and headquartered in San Jose, California ^[1]. The firm operates a cloud-based internet security platform and reported revenues between $2.7 billion and $3.2 billion in recent fiscal years ^[2]. Zscaler employs approximately 7,900 to 8,000 people globally ^[3]. The company went public in March 2018 and trades on the Nasdaq under the ticker symbol ZS ^[4]. Zscaler serves large enterprises, critical infrastructure organizations, and government agencies worldwide ^[5]. The organization previously operated under the name SafeChannel, Inc. before rebranding ^[6].

02. Product

Zscaler provides a Zero Trust Exchange platform that delivers cloud-native security services, including Secure Web Gateway, Cloud Access Security Broker, and Data Loss Prevention capabilities ^[7]. The platform secures agentic AI communications and incorporates access graph technology through recent acquisitions ^[8]. Zscaler competes in the Security Service Edge and network security markets against vendors such as Netskope, Palo Alto Networks, Cisco, and Cloudflare ^[9]. The company is recognized as a leader in the Gartner Magic Quadrant for SSE ^[10]. Zscaler also offers healthcare security blueprints and continuous vulnerability protection updates ^[11].

03.Security & Risk

Zscaler holds ISO 27001 and SOC 2 Type II certifications, which are audited annually by independent third parties ^[12]. The company maintains a compliance center covering ISO 27701 and CCPA requirements ^[13]. In August 2025, Zscaler confirmed a data breach where attackers accessed its Salesforce environment via a compromised third-party integration, Salesloft Drift ^[14]. Zscaler stated that its core products, services, and infrastructure were not compromised, but customer support case data was exposed ^[15]. The company publishes regular security advisories addressing new vulnerabilities for Windows and Adobe products ^[16].

04. AI Risk

How this vendor uses AI/ML with customer data - model providers, training stance, subprocessors, and relevant DPA language when publicly documented.

AI exposure tier: Moderate AI Exposure

Zscaler emphasizes securing agentic AI and AI agent communications through its Zero Trust platform and recent acquisition of Symmetry Systems [18]. The company publishes AI threat reports highlighting surges in AI-related security risks [17]. Specific details on whether Zscaler trains its own models on customer data or offers opt-out mechanisms are not publicly documented in the provided sources.

Training on customer data

Training stance unknown

05. Events

• [other] ZscalerOS 24 End of Life

  Zscaler formally announced the end of life for ZscalerOS 24 effective December 31, 2026.

  Dec 31, 2026, 12:00 AM · Source

• [legal] Securities Fraud Investigation

  The Schall Law Firm announced an investigation into potential false or misleading statements and failure to disclose material information to investors.

  May 27, 2026, 12:00 AM · Source

• [breach] Salesforce Supply Chain Data Breach

  Attackers accessed Zscaler's Salesforce instance via a compromised third-party integration, Salesloft Drift, exposing customer support case data.

  Aug 1, 2025, 12:00 AM · Source

06. Dependencies

Fourth parties this vendor relies on - subprocessors, infrastructure, and integrations surfaced from public sources.

• Salesforce

  IntegrationSource →

• Salesloft Drift

  IntegrationSource →

07. Competitors

Vendors offering a similar product or service - for side-by-side comparison, not a ranking.

• Netskope

  Pure-play SSE incumbent competing on CASB and DLP.

  Vet this vendor →

• Palo Alto Networks

  Platform giant extending next-gen firewall into SSE.

  Vet this vendor →

• Cisco

  Platform giant offering Cisco SASE and Umbrella.

  Vet this vendor →

• Cloudflare

  Top competitor in the network-security category.

  Vet this vendor →

08. Recent News

Recent news highlights Zscaler's recognition as a leader in the 2026 Gartner Magic Quadrant for SSE and its release of a 2026 AI Threat Report ^[17]. The company announced the acquisition of Symmetry Systems to enhance AI agent security ^[18]. However, Zscaler is also the subject of a securities fraud investigation by the Schall Law Firm regarding potential misleading statements to investors ^[19]. Additionally, the company faced a supply chain data breach in August 2025 involving Salesforce integrations ^[20]. Zscaler also announced the end-of-life for ZscalerOS 24 in December 2026 ^[21].

09. Citations

1. [1] Zscaler is a publicly traded cybersecurity company founded in 2007 and headquartered in San Jose, California. Zscaler Inc Company Profile - Overview - GlobalData
2. [2] The firm operates a cloud-based internet security platform and reported revenues between $2.7 billion and $3.2 billion in recent fiscal years. Zscaler | ZS Stock Price, Company Overview & News
3. [3] Zscaler employs approximately 7,900 to 8,000 people globally. Zscaler
4. [4] The company went public in March 2018 and trades on the Nasdaq under the ticker symbol ZS. Zscaler FAQs | Answers About Our Company, Solutions, and Services
5. [5] Zscaler serves large enterprises, critical infrastructure organizations, and government agencies worldwide. Zscaler - LinkedIn
6. [6] The organization previously operated under the name SafeChannel, Inc. before rebranding. Zscaler - Wikipedia
7. [7] Zscaler provides a Zero Trust Exchange platform that delivers cloud-native security services, including Secure Web Gateway, Cloud Access Security Broker, and Data Loss Prevention capabilities. Top Zscaler Competitors in 2026: The 9 That Matter – dope.security

13. Vendor response

Content in this section is vendor-supplied and does not alter Vendorisk.ai's risk tier or evaluation.