A cloud computing model that delivers cybersecurity solutions through subscription-based services rather than on-premise hardware or software. In this model, third-party providers host and manage security infrastructure, tools, and monitoring systems, enabling businesses to protect their digital assets without the complexity or cost of maintaining in-house defenses.
Business Model
SECaaS is inspired by the software as a service (SaaS) model as applied to information security type services. It avoids substantial capital outlays by eliminating the need for on-premises hardware. The outsourced security licensing and delivery market is valued in the multibillions of dollars.
Common Services
SECaaS offerings typically include threat detection, intrusion prevention, antivirus protection, encryption, identity and access management (IAM), data loss prevention (DLP), and security information and event management (SIEM). These services are hosted in the cloud, constantly updated with the latest threat intelligence, and can scale dynamically as organizations grow.
Key Providers
Common SECaaS providers include Cloudflare, Palo Alto Networks, Cisco Secure, and Zscaler. Each offers cloud-native solutions that integrate easily with hybrid and remote work environments.
Benefits
By outsourcing security to specialized providers, organizations gain enterprise-grade protection, real-time visibility, and faster response times, while freeing their internal teams to focus on business priorities.