Adjacent Markets — Where Cybersecurity Borders Other Industries
Cybersecurity does not end at a clean boundary. It borders, overlaps and increasingly merges with a ring of adjacent markets — industries with their own economics, vendor sets and acquirers whose products either feed security (telemetry, identity data), depend on it (managed IT, backup), or compete for the same budget and the same acquisition targets. Deal flow across these borders has become a defining feature of the market: a payments network buying behavioral biometrics, a networking giant buying a SIEM, a data-pipeline company buying detection engineering, a systems integrator buying OT security.
This section maps nine adjacencies. Each has its own page covering what the market is, who the significant participants are, how it converges with cybersecurity, and what the cross-border deal record shows.
| # | Adjacency | The convergence in one line | Evidence in the deal record |
|---|---|---|---|
| 42a | Observability & data pipelines | Security and IT telemetry are the same data; whoever owns the pipeline owns the SOC's substrate | Cisco–Splunk ($28B); Cribl–CardinalOps; Palo Alto–Embrace |
| 42b | IT management & the MSP stack | The tools that manage SMB IT are the channel — and the attack surface — for SMB security | Kaseya–Datto ($6.2B); NinjaOne at $12.3B; Barracuda–Evo |
| 42c | Data protection & cyber resilience | Backup rebranded as the recovery half of ransomware defense — and earned security multiples | Cohesity–Veritas; Rubrik's re-rating; Veeam at ~$15B |
| 42d | Fraud prevention & identity verification | Cyber identity and financial identity are collapsing into one trust problem | Visa–BioCatch ($2.4B); Mastercard–Recorded Future (~$2.65B) |
| 42e | Networking & edge infrastructure | SASE made the network and its security the same purchase | HPE–Juniper ($14B); Cisco, Cloudflare, Akamai security lines |
| 42f | Privacy tech & data governance | Privacy regulation created a compliance industry now merging into security GRC | Vanta at $4.15B; Drata–SafeBase; OneTrust's platform |
| 42g | Defense technology | Venture-backed defense primes treat cyber as one integrated domain of conflict | Anduril at $61B; Palantir; sovereign cyber programmes (14) |
| 42h | Physical security & IoT | Cameras, access control and sensors became networked computers — and therefore cyber assets | Motorola Solutions' serial M&A; Verkada at $5.8B |
| 42i | AI infrastructure & governance | The AI stack needs its own trust layer, contested by security vendors and AI-native entrants | The Security-for-AI wave (20); OneTrust/Vanta AI-governance modules |
Why adjacencies matter to the core market
Three mechanisms carry value across these borders. Convergent buying: when two products are bought by the same person for the same reason — network plus network security, backup plus ransomware recovery — vendors on either side eventually meet in the same deals, and the larger market absorbs the smaller. Data gravity: security is a data business, and adjacent markets that own high-value telemetry (observability pipelines, identity graphs, payment signals) hold an asset security vendors need; acquisitions flow toward the data. Buyer expansion: adjacent acquirers — payment networks, industrial conglomerates, defense primes, IT-management consolidators — widen the exit universe for security companies beyond the familiar platform vendors and sponsors, which changes sell-side outcomes materially (Buyer-Universe Matrix).
The traffic runs both directions. Security vendors expand outward (Palo Alto into observability with Embrace; SentinelOne's data-lake ambitions), and adjacent vendors expand inward (Cisco via Splunk; Kaseya assembling a security suite; Cohesity attaching threat detection to backup). Where a border is crossed repeatedly, the two markets are usually in the early stages of becoming one — the pattern the platform-consolidation thesis (32) predicts inside cybersecurity, operating at the industry's edges.
Updated 2026-08-16 18:47 UTC · © El Dorado Capital · el-doradocapital.com · Market intelligence for informational purposes only; not investment advice.