Your IT Security TAM Is $191 Billion! Here's How to Find the 46% Actually Buying Right Now

The global cybersecurity landscape is expanding at an unprecedented rate. Driven by an increase in cyberattacks, enterprise digital transformation, and growing regulatory requirements, the global IT security market grew to $103 billion in 2025. Looking ahead, this Total Addressable Market (TAM) is projected to expand at an 11.1% CAGR, reaching an estimated $191 billion by 2031.
However, for go-to-market teams, a top-level financial TAM is only a starting point. To build predictable revenue, organizations must refine this massive market down to a highly targeted list of active buyers.
A modern, data-driven TAM analysis doesn't just look at who could buy your solution; it looks at who is ready to buy it right now. By layering active intent data over broad market projections, you can identify your most lucrative opportunities.
Here is how you can segment the 2026 IT Security TAM to find your true active buyers.
Filter the TAM by Active Buyer Intent
A large TAM is exciting, but it doesn't mean every account is currently in a buying cycle. To find the active market, you must analyze buyer intent.
For example, when evaluating a global install base of hundreds of thousands of accounts, our recent intelligence revealed that 46% of monitored organizations are actively showing buying intent for IT security solutions today. Even more importantly, by tracking digital signals, you can pinpoint exactly where these accounts are in their journey—whether they are in the early "Awareness" stage or the high-value "Decision" stage.
Segment by Firmographics and Target ICPs
Once you have isolated the active buyers, the next step in your TAM analysis is to identify the firmographic trends driving that demand.
- Company Size: Is your highest-converting audience in the SMB space, or is it enterprise? Current intent data shows heavily concentrated purchasing activity specifically within mid-sized organizations (201–1,000 employees) and large enterprises (1,000+ employees).
- Industry: The need for robust cybersecurity crosses all verticals, but certain sectors are moving faster than others. While industries like Technology and Manufacturing show incredibly high engagement, data-intensive environments like BFSI, Consumer Services, and the Public Sector are also experiencing surges in active intent driven by compliance needs. A granular TAM analysis will tell you exactly which vertical to prioritize first.
Pinpoint Solution-Specific Demand
The $191 billion market projection isn't distributed evenly across all security products. Organizations are strategically targeting specific vulnerabilities within their complex IT infrastructures.
When you break down the TAM by solution, you can see exactly where the market is investing. Right now, elevated activity is showing strong purchase intent rather than just early-stage research in highly specific areas such as Identity & Access Management (IAM), Endpoint Security, and Data Governance. Understanding these specific demand pockets allows you to run highly targeted, complementary outreach strategies.
Map the Market Regionally
Finally, an effective TAM analysis must account for geographic distribution. The active IT security market is thoroughly global, but the volume of accounts in the "Consideration" or "Decision" stages varies wildly between North America, APAC, EMEA, and LATAM.
To allocate your marketing budget efficiently, you need to know exactly how many active accounts exist in your target region and what their exact lead generation and ABM display availabilities look like.
The Takeaway: Don't Guess. Get the Data.
Understanding your TAM requires more than just looking at billion-dollar market projections—it requires actionable intelligence.
Want the full scoop?
To get the exact numbers behind this TAM Analysis—including granular regional breakdowns, full industry rankings, and the exact volume of accounts in the "Decision" stage today - download the complete Predictiv 2026 Global IT Security Market Report.