Direct Answer
168 SEC filers are classified under the Standard Industrial Classification codes that describe the network security industry, and their latest annual reports show $697.8 billion of combined revenue and a median operating margin of -5.5%. Investors should still evaluate its revenue model, industry-specific KPIs, valuation framework and the risks that can change the group's economics.
Industry Overview
Network security companies sell firewalls, secure access and threat prevention that protect traffic between users, data centers and clouds. Revenue includes hardware, subscriptions and increasingly cloud-delivered services. The first numbers to compare across companies here are next-generation security annual recurring revenue, billings and net retention.
Key Industry Metrics
- Next-generation security annual recurring revenue: Annualized value of subscriptions for cloud-delivered and next-generation security services. It shows how far the business has moved from hardware to recurring revenue.
- Billings: Amounts invoiced in a period. Billings lead revenue, but hardware refresh cycles and multi-year prepaid deals make them lumpy, so read over longer spans.
- Net retention: Spending from existing customers versus a year earlier. Above 100% shows customers adding subscriptions and services, as firewalls give way to broader security platforms.
- Gross margin: Revenue left after hardware, hosting and support. Hardware earns less than software, so a shift toward subscriptions generally lifts margin over time.
- Free cash flow: Cash from operations after capital spending. Upfront billing and support contracts bring cash ahead of revenue, so it shows how much sales convert to cash.
Primary Macro Drivers
- Network and cloud transitions: As traffic moves to cloud and software-defined networks, buyers replace legacy appliances with cloud-delivered security, supporting subscription revenue.
- Threat environment: More attacks and tighter breach rules prompt investment in firewalls and threat prevention, supporting billings and renewals.
- Platform consolidation: Buyers wanting fewer vendors adopt broader platforms, raising spend per customer for platform vendors and squeezing point products.
- Hybrid work: Staff working from many locations require secure access beyond the office perimeter, expanding demand for cloud-delivered access services.
Major Risks
- Competition and pricing: Rivals and cloud providers sell overlapping features at lower prices, pressuring win rates and margin; watch net retention and discounting commentary.
- Hardware refresh cycles: Hardware replacement waves are uneven, so product revenue can swing with customer timing; watch billings and the hardware versus subscription mix.
- Execution on platform strategy: Moving customers from appliances to a cloud-based platform can disrupt sales and cost more than expected; watch platform adoption metrics and billings.
- Budget scrutiny: Customers cut or delay security purchases when spending is tight; watch billings, net retention and remaining performance obligations.
Industry Characteristics
| Characteristic | Profile |
|---|---|
| Cyclicality | Mixed |
| Capital Intensity | Low |
| Regulatory Intensity | Low |
| Industry Maturity | Mature |
| Geographic Importance | U.S. / Global |
Network Security Filers in the SEC Record
168 companies with annual reports in the dataset are classified by the SEC in the Standard Industrial Classification codes 7372, 7373. Their latest fiscal years end between 2023 and 2026, and together they reported $697.8 billion of revenue. Median revenue growth over the prior year was 12.7%. Median operating margin was -5.5% and median net margin -2.5%. Median total liabilities were 46% of total assets, and 75 of 168 reported a profit in their latest year.
| Company | Revenue | Growth | Operating margin | Net margin | Year |
|---|---|---|---|---|---|
| Microsoft Corp | $281.7 billion | 14.9% | 45.6% | 36.1% | FY 2025 |
| Oracle Corp | $67.4 billion | 17.3% | 30.6% | 25.2% | FY 2026 |
| Salesforce, Inc. | $41.5 billion | 9.6% | 20.1% | 18.0% | FY 2026 |
| Block, Inc. | $24.2 billion | 0.3% | 7.1% | 5.4% | FY 2025 |
| Adobe Inc. | $23.8 billion | 10.5% | 36.6% | 30.0% | FY 2025 |
| Intuit Inc. | $18.8 billion | 15.6% | 26.1% | 20.5% | FY 2025 |
| Leidos Holdings, Inc. | $17.2 billion | 3.1% | 12.3% | 8.4% | FY 2026 |
| Kyndryl Holdings, Inc. | $15.1 billion | 0.2% | n/a | 1.2% | FY 2026 |
The 8 largest of 168 by revenue. Source: each company's own annual report as filed with the SEC (XBRL data), figures in U.S. dollars. A company's SIC code reflects its main business as the SEC records it, so it can differ from how an index provider or analyst classifies the company, and a diversified group appears under only one code.
Where to Go Next
The Network Security guide describes how the industry earns money, what to measure and what can go wrong. To see how it compares, read the neighbouring industries in the same sector, then apply the same checks to a specific company.
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Frequently Asked Questions
What are the main KPIs for the Network Security industry?
Key performance indicators for the Network Security industry include: Next-generation security annual recurring revenue, Billings, Net retention, Gross margin, Free cash flow. Which matter most depends on the company's model, so compare them across several companies rather than relying on one.
How cyclical is the Network Security industry?
The Network Security industry exhibits mixed cyclicality characteristics. Some segments move with the broader economy while others maintain more stable demand, making stock selection within the group particularly important.
What are the biggest risks in the Network Security industry?
The primary risks for Network Security companies include: Competition and pricing, Hardware refresh cycles, Execution on platform strategy, Budget scrutiny. Investors should assess each company's exposure to these factors and its track record of navigating them.