Why Cybersecurity Is Becoming Mission-Critical Infrastructure 🧵...
Sergey@SergeyCYW
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Dec 31, 2025
~3 min read
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Why Cybersecurity Is Becoming Mission-Critical Infrastructure 🧵
When a single software update July 19, 2024 can take down ~8.5M Windows machines globally, security stops being a cost center and becomes core infrastructure.
Key players 👇
$NET | Cloudflare
Cloudflare is building a global, software-defined security fabric that replaces hardware firewalls with a programmable edge. Its Connectivity Cloud unifies SASE, web, email, and application security while enabling AI inference directly at the network edge. The competitive edge comes from running security, performance, and compute on the same global footprint, capturing enterprise spend from legacy appliance vendors.
When a single software update July 19, 2024 can take down ~8.5M Windows machines globally, security stops being a cost center and becomes core infrastructure.
Key players 👇
$NET | Cloudflare
Cloudflare is building a global, software-defined security fabric that replaces hardware firewalls with a programmable edge. Its Connectivity Cloud unifies SASE, web, email, and application security while enabling AI inference directly at the network edge. The competitive edge comes from running security, performance, and compute on the same global footprint, capturing enterprise spend from legacy appliance vendors.
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$RBRK | Rubrik
Rubrik sits at the center of the “assume breach” model, where recovery speed matters more than perimeter defense. Immutable backups and cyber recovery vaults turn ransomware from an existential risk into a survivable event. Its ability to scan backup data for threats adds a security intelligence layer others lack, positioning Rubrik as non-discretionary cyber insurance for enterprises.
Rubrik sits at the center of the “assume breach” model, where recovery speed matters more than perimeter defense. Immutable backups and cyber recovery vaults turn ransomware from an existential risk into a survivable event. Its ability to scan backup data for threats adds a security intelligence layer others lack, positioning Rubrik as non-discretionary cyber insurance for enterprises.
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$CRWD | CrowdStrike
CrowdStrike operates as the system of record for endpoint security. A single lightweight agent enables instant cross-sell into identity, cloud, and SIEM without redeployment friction. Falcon Flex locks customers into multi-year consumption pools, shifting buying behavior from point products to platform commitment. Scale plus modular expansion defines its moat.
CrowdStrike operates as the system of record for endpoint security. A single lightweight agent enables instant cross-sell into identity, cloud, and SIEM without redeployment friction. Falcon Flex locks customers into multi-year consumption pools, shifting buying behavior from point products to platform commitment. Scale plus modular expansion defines its moat.
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$S | SentinelOne
SentinelOne differentiates through autonomous, on-device AI that detects and responds without constant cloud reliance. This architecture matters in regulated, air-gapped, or latency-sensitive environments. Purple AI lowers analyst workload while aggressive MSP partnerships push adoption downstream. The company competes on autonomy and cost efficiency rather than sheer platform breadth.
SentinelOne differentiates through autonomous, on-device AI that detects and responds without constant cloud reliance. This architecture matters in regulated, air-gapped, or latency-sensitive environments. Purple AI lowers analyst workload while aggressive MSP partnerships push adoption downstream. The company competes on autonomy and cost efficiency rather than sheer platform breadth.
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$ZS | Zscaler
Zscaler functions as a cloud-native zero trust exchange, connecting users to applications without exposing networks. Its proxy-based architecture structurally outclasses VPNs and firewall-centric models. Large enterprises standardize on Zscaler as a foundational access layer, embedding it deeply into digital transformation and secure service edge deployments.
Zscaler functions as a cloud-native zero trust exchange, connecting users to applications without exposing networks. Its proxy-based architecture structurally outclasses VPNs and firewall-centric models. Large enterprises standardize on Zscaler as a foundational access layer, embedding it deeply into digital transformation and secure service edge deployments.
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$PANW | Palo Alto Networks
Palo Alto Networks is executing full platform consolidation across network, cloud, and security operations. Its strategy trades short-term pricing discipline for long-term wallet share by collapsing vendors. Deep integration across code, cloud, and runtime environments makes displacement difficult once standardized, especially as identity becomes integrated into the stack. Palo Alto Networks acquired CyberArk in $25B.
Palo Alto Networks is executing full platform consolidation across network, cloud, and security operations. Its strategy trades short-term pricing discipline for long-term wallet share by collapsing vendors. Deep integration across code, cloud, and runtime environments makes displacement difficult once standardized, especially as identity becomes integrated into the stack. Palo Alto Networks acquired CyberArk in $25B.
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$FTNT | Fortinet
Fortinet wins on economics. Proprietary ASICs deliver materially better firewall performance per dollar, dominating distributed enterprises and branch-heavy networks. A massive installed base becomes a captive channel for higher-margin SASE and SecOps software. Hardware efficiency underwrites software expansion at scale.
Fortinet wins on economics. Proprietary ASICs deliver materially better firewall performance per dollar, dominating distributed enterprises and branch-heavy networks. A massive installed base becomes a captive channel for higher-margin SASE and SecOps software. Hardware efficiency underwrites software expansion at scale.
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$OKTA | Okta
Okta remains the neutral identity layer across heterogeneous IT stacks. Deep integration across thousands of applications creates operational lock-in despite past execution issues. Workforce Identity anchors the platform, while customer identity expands reach as every digital service requires secure authentication without rebuilding infrastructure.
Okta remains the neutral identity layer across heterogeneous IT stacks. Deep integration across thousands of applications creates operational lock-in despite past execution issues. Workforce Identity anchors the platform, while customer identity expands reach as every digital service requires secure authentication without rebuilding infrastructure.
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$CSCO | Cisco
Cisco is embedding security directly into networking, making protection default rather than optional. Splunk provides the data foundation for AI-driven segmentation and threat response at the network level. Distribution scale forces security conversations into every enterprise refresh cycle, especially as AI workloads stress network architectures.
Cisco is embedding security directly into networking, making protection default rather than optional. Splunk provides the data foundation for AI-driven segmentation and threat response at the network level. Distribution scale forces security conversations into every enterprise refresh cycle, especially as AI workloads stress network architectures.
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$MSFT | Microsoft
Microsoft is the ultimate security bundler. Security tools ship alongside Azure and Office, backed by unmatched telemetry from tens of trillions of daily signals. Security Copilot automates defense at scale, while consolidation economics push enterprises to standardize. Security has evolved into a core pillar, not a side business.
Microsoft is the ultimate security bundler. Security tools ship alongside Azure and Office, backed by unmatched telemetry from tens of trillions of daily signals. Security Copilot automates defense at scale, while consolidation economics push enterprises to standardize. Security has evolved into a core pillar, not a side business.
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The CrowdStrike incident didn’t expose a bug. It exposed a structural reality: modern digital systems are too complex to protect with point solutions. Security budgets are shifting toward platforms that assume failure and minimize blast radius.
