Grade: A — Strong Financial Health
Framework: Schilit *Financial Shenanigans* + Beneish M-Score + forensic accounting principles
Data: SEC EDGAR 10-K (Filed 2026-02-24) + Yahoo Finance
Auditor: Deloitte & Touche LLP (PCAOB ID No. 34) — Clean opinion
One-line verdict: Fortinet is a cybersecurity powerhouse delivering $6.8B in revenue (+14% YoY), $1.85B in net income (27.3% net margin), and $2.2B in free cash flow. Every one of the 18 screening checks passes. The Beneish M-Score of -2.64 clears the company of manipulation concerns. Cash of $3.6B covers debt 3.6x. With $7.18B in remaining performance obligations and $7.12B in deferred revenue, forward visibility is exceptional. The only caveat is the Altman Z-Score of 2.02 (grey zone), driven by negative retained earnings from aggressive share repurchases — $8.51B bought back since inception — not operating weakness. This is one of the cleanest earnings quality profiles in the cybersecurity sector.
| Metric | Result |
|---|---|
| Red Flags | **0** |
| Watch Items | **0** |
| Checks Completed | **17/18** (1 N/A) |
| Beneish M-Score | **-2.64** (below -2.22 — unlikely manipulator) |
| F-Score (Fraud Probability) | **1.04** (0.38% probability) |
| Altman Z-Score | **2.02** (grey zone — driven by buyback-depleted equity) |
| Auditor | Deloitte & Touche LLP — Unqualified opinion |
| Fiscal Year | 2025 (ended December 31, 2025) |
| Report Date | 2026-04-05 |
The Cybersecurity Platform Company
The 10-K states: "Total revenue was $6.80 billion in 2025, an increase of 14% compared to $5.96 billion in 2024."
Revenue breakdown from the filing:
| Line Item | FY2025 | FY2024 | FY2023 | YoY Growth |
|---|---|---|---|---|
| Product Revenue | $2,220.1M | $1,910.4M | $1,905.1M | +16% |
| Service Revenue | $4,579.5M | $4,045.4M | $3,399.7M | +13% |
| **Total Revenue** | **$6,799.6M** | **$5,955.8M** | **$5,304.8M** | **+14%** |
The filing elaborates: "Product revenue increased $309.7 million, or 16% in 2025 compared to 2024. We experienced product revenue growth across our hardware products and software licensing, mainly driven by growth in secure networking hardware products and term licenses." Service revenue growth was "primarily due to the recognition of revenue from our growing deferred revenue balance related to FortiGuard and other security subscriptions."
Revenue is geographically diversified: "the EMEA, APAC region contributed 40%, 42% and 18% of our total revenue, respectively."
Profitability: Exceptional and Improving
| Metric | FY2023 | FY2024 | FY2025 | Trend |
|---|---|---|---|---|
| Revenue | $5,304.8M | $5,955.8M | $6,799.6M | +14.2% YoY |
| Gross Profit | $4,067.6M | $4,798.2M | $5,470.7M | +14.0% |
| Gross Margin | 76.7% | 80.6% | 80.5% | Stable at high level |
| Operating Income | — | — | $2,087.4M | — |
| Net Income | $1,147.8M | $1,745.2M | $1,853.4M | +6.2% |
| Net Margin | 21.6% | 29.3% | 27.3% | Strong |
From the filing: "During the year ended December 31, 2025, we generated total revenue of $6.80 billion and net income of $1.85 billion." Operating income as a percentage of revenue was 30.7% in 2025 vs. 30.3% in 2024. EPS: "Basic $2.45; Diluted $2.42."
Cash Flow: Exceptional Conversion
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Operating Cash Flow | $1,935.5M | $2,258.1M | $2,590.6M |
| Net Income | $1,147.8M | $1,745.2M | $1,853.4M |
| CFFO / NI | 1.69x | 1.29x | 1.40x |
| Free Cash Flow | $1,731.4M | $1,879.2M | $2,225.8M |
The 10-K states: "Cash flows from operating activities were $2.59 billion in 2025, an increase of $332.5 million, or 15%, compared to 2024."
CFFO/NI of 1.40x shows profits are well-backed by cash. Free cash flow of $2.2B represents a 33% FCF margin — exceptional for a cybersecurity company. The accruals ratio of -7.1% confirms low-accrual, cash-rich earnings.
Deferred Revenue: The Forward Visibility Machine
From the filing: "Deferred revenue was $7.12 billion as of December 31, 2025, an increase of $754.9 million, or 12%, from December 31, 2024. Short-term deferred revenue was $3.64 billion as of December 31, 2025, an increase of $359.8 million, or 11%, from December 31, 2024."
The aggregate remaining performance obligations: "As of December 31, 2025, the aggregate amount of the transaction price allocated to remaining performance obligations was $7.18 billion, which was substantially comprised of deferred security subscription and technical support services revenue."
$7.18B in RPO provides over one year of revenue visibility — a strong recurring revenue base.
Balance Sheet: Leveraged by Choice, Not Necessity
| Metric | FY2024 | FY2025 |
|---|---|---|
| Cash & Equivalents | $2,234M | $2,358M |
| Marketable Securities | $1,833M | $1,224M |
| Total Cash + Securities | $4,067M | $3,583M |
| Total Debt | $994.3M | $996.3M |
| Debt/EBITDA | — | **0.4x** |
| Interest Coverage | — | **103.7x** |
The 10-K discloses: "$996.3 million of indebtedness outstanding under our Senior Notes." Leverage is minimal — 0.4x Debt/EBITDA with interest coverage of 103.7x. Cash covers debt 3.6x.
The filing notes the company plans to repay its 2026 Senior Notes at maturity: "We expect to repay the outstanding balance of the 2026 Senior Notes maturing on March 15, 2026 at the date of maturity."
Goodwill stands at $257.4M with $97.3M in intangibles, totaling $354.7M or 29% of equity — manageable and stable (+1% YoY).
Aggressive Share Buybacks: Why the Z-Score Is in Grey Zone
The filing discloses: "Since its inception through December 31, 2025, we have repurchased 267.3 million shares of our common stock under the Repurchase Program for an aggregate purchase price of $8.51 billion." The board authorized up to "$10.25 billion of our outstanding common stock through February 28, 2027." As of February 24, 2026, approximately $1.27 billion remained available.
This $8.51B in cumulative buybacks is why the Altman Z-Score sits at 2.02 (grey zone). Retained earnings have been depleted by buybacks, not losses. The company is returning massive amounts of cash to shareholders — this is a sign of financial strength, not weakness.
The 18-Point Screening
| # | Check | Result | Detail |
|---|---|---|---|
| A1 | DSO Change | PASS | DSO 91 days, change +1 day YoY. Stable |
| A2 | AR vs Revenue Growth | PASS | AR growth 15.6% vs revenue growth 14.2% |
| A3 | Revenue vs CFFO | PASS | Revenue 14.2%, CFFO 14.7%. Cash follows revenue |
| B1 | Inventory vs COGS | PASS | Inventory 26.6% vs COGS 14.8%. Normal |
| B2 | CapEx vs Revenue | PASS | CapEx growth -3.7% vs revenue 14.2%. CapEx disciplined |
| B3 | SG&A Ratio | PASS | SG&A/Gross Profit = 47.2%. Normal |
| B4 | Gross Margin | PASS | Gross margin 80.5%, change -0.1pp. Stable |
| C1 | CFFO vs Net Income | PASS | CFFO/NI = 1.40. Excellent cash conversion |
| C2 | Free Cash Flow | PASS | FCF $2.2B. Exceptional |
| C3 | Accruals Ratio | PASS | Accruals ratio = -7.1%. Low accruals |
| C4 | Cash vs Debt | PASS | Cash $3.6B covers debt $1.0B. 3.6x coverage |
| D1 | Goodwill + Intangibles | PASS | $355M = 29% of equity. Manageable |
| D2 | Leverage | PASS | Debt/EBITDA = 0.4x. Healthy. Interest coverage = 103.7x |
| D3 | Soft Asset Growth | PASS | Other assets -6.0% vs revenue 14.2%. Disciplined |
| D4 | Asset Impairment | N/A | No write-off data |
| E1 | Serial Acquirer FCF | PASS | FCF after acquisitions positive |
| E2 | Goodwill Surge | PASS | Goodwill + intangibles change 1% YoY. Stable |
| F1 | Beneish M-Score | PASS | M-Score = -2.64 (< -2.22). Unlikely manipulator |
Beneish M-Score Component Breakdown:
| Component | Value | What It Measures | Concern? |
|---|---|---|---|
| DSRI | 1.012 | Days Sales in Receivables | Normal |
| GMI | 1.001 | Gross Margin Index | Normal — margins stable |
| AQI | 1.104 | Asset Quality Index | Normal |
| SGI | 1.142 | Sales Growth Index | Normal |
| DEPI | 0.972 | Depreciation Index | Normal |
| SGAI | 0.990 | SG&A Index | Good — SG&A discipline |
| TATA | -0.071 | Total Accruals to Assets | Good — negative accruals |
| LVGI | 1.028 | Leverage Index | Normal |
Every M-Score component is benign. The negative TATA confirms cash flow exceeds net income — consistent with the healthy CFFO/NI ratio of 1.40x.
Key Risks from the 10-K
1. FortiGuard Subscription Renewal Risk
The filing warns: revenue "from the sale of new, or from the renewal of existing, FortiGuard and other security subscriptions and FortiCare technical support service contracts may decline and fluctuate as a result of a number of factors."
2. International Exposure
"International sales have represented a majority of our total revenue in recent periods" and the company is "subject to risks associated with having worldwide operations" including currency risk, trade restrictions, and geopolitical disruptions.
3. Competition
Fortinet competes against Palo Alto Networks, Check Point, Cisco, and others in a market that is rapidly evolving toward unified SASE and cloud-native security.
4. 2026 Expectations
The filing warns: "Total revenue is expected to increase in 2026 compared to the prior year; however, our expenses are expected to outpace revenue growth, primarily reflecting investments in sales and marketing headcount, product development and the continued capital expenditures in data centers and real estate."
Key Financial Trends (4-Year)
| Metric | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|
| Revenue | $4,417M | $5,305M | $5,956M | $6,800M |
| Net Income | $857M | $1,148M | $1,745M | $1,853M |
| Gross Margin | 75.4% | 76.7% | 80.6% | 80.5% |
| Net Margin | 19.4% | 21.6% | 29.3% | 27.3% |
| CFFO | $1,731M | $1,936M | $2,258M | $2,591M |
| FCF | $1,449M | $1,731M | $1,879M | $2,226M |
| Cash + Securities | $2,211M | $2,440M | $4,067M | $3,583M |
| Total Debt | $990M | $992M | $994M | $996M |
| Deferred Revenue | — | — | $6,362M | $7,117M |
Summary
Grade: A. Zero red flags. Zero watch items. Textbook earnings quality.
Fortinet is the rare growth company that passes every single screening check. Revenue grew 14% to $6.8B, net income reached $1.85B (27.3% margin), free cash flow hit $2.2B (33% FCF margin), and the Beneish M-Score of -2.64 clears the company of manipulation risk. Leverage is minimal at 0.4x Debt/EBITDA with 103.7x interest coverage. Deferred revenue of $7.12B and RPO of $7.18B provide exceptional forward visibility.
The Altman Z-Score of 2.02 in the grey zone is the only footnote — and it is entirely explained by $8.51B in cumulative share buybacks depleting retained earnings. This is financial engineering by a cash-rich company returning capital to shareholders, not a sign of distress.
Fortinet demonstrates what a cybersecurity company looks like when it has achieved scale profitability: hardware provides the installed base, subscriptions generate recurring revenue, and the combination produces both GAAP profit and free cash flow in abundance.
**Disclaimer**: This report is based on Fortinet's fiscal year 2025 10-K filed with the SEC on February 24, 2026. This is NOT investment advice.
**About EarningsGrade**: We screen earnings reports for financial red flags using an 18-point forensic framework. Grade A means strong financial health with no significant red flags detected.