Network security is undergoing a profound transformation. With the massive adoption of generative AI and the emergence of the first autonomous AI agents in enterprise environments, the traffic crossing networks is no longer generated only by users: increasingly, it is applications and agents communicating with one another, accessing data, and making decisions without direct human intervention.

In this context, Fortinet unveiled FortiOS 8.0 at Accelerate 2026 — the most significant release in years of the operating system that powers the Security Fabric. This is not an incremental update, but a paradigm shift addressing two critical areas: AI-driven security and quantum-safe protection.

AI-driven security: knowing what’s happening on your network

The starting point speaks for itself: industry estimates suggest that around 98% of GenAI applications used in enterprise environments are not formally authorized by IT teams. This phenomenon — known as shadow AI — represents a rapidly expanding attack surface that traditional security solutions struggle to detect.

FortiOS 8.0 introduces concrete tools to address the issue:

• FortiView for the AI attack surface and shadow AI: a dedicated dashboard that delivers real-time visibility into how AI applications are being used across the organization, automatically distinguishing between authorized and unauthorized tools. Security teams can quickly identify risky or unknown usage, reduce non-compliance exposure, and enable safe AI adoption without having to react after an incident.
• AI-aware Application Control: granular policies that allow the use of approved GenAI tools while blocking risky actions that could expose intellectual property, customer data, or regulated information.
• MCP and agent-to-agent (A2A) observability: arguably the most relevant innovation for organizations adopting AI agent–based architectures. FortiOS 8.0 detects and classifies traffic generated by the Model Context Protocol (MCP) and agent-to-agent communications, bringing visibility to interactions that would otherwise remain entirely opaque.
• Enhanced DLP with OCR: the Data Loss Prevention system integrated into FortiGuard can now identify sensitive data hidden in images and screenshots, closing an often-overlooked exfiltration vector.
• FortiAI-Assist for FortiGate: an integrated AI assistant that simplifies firewall diagnostics and troubleshooting through a conversational interface, reducing configuration errors and accelerating response times — even in SD-WAN environments.

Quantum-safe protection: acting today against tomorrow’s threat

The quantum threat follows an insidious pattern known as “harvest now, decrypt later”: attackers capture encrypted data today with the intent of decrypting it in the future, once quantum computers become powerful enough. For data with a long lifecycle — industrial secrets, government information, healthcare records — the risk is already concrete.

FortiOS 8.0 extends post-quantum cryptography with:

• Hybrid key exchange compliant with FIPS 204/205, combining classical cryptography and quantum-resistant algorithms
• Enhanced SSL deep inspection with post-quantum cryptography, enabling traffic inspection without compromising end-to-end security
• Protection of critical paths: management access and agentless VPN with quantum-resilient security
• Crypto-agility: the ability to update cryptographic algorithms as standards evolve, without significant re-architecture

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