Fortinet Adds Quantum-Safe Encryption to FortiOS for Future-Ready Network Security

Key Takeaways:

Fortinet’s latest FortiOS 7.6 release includes post-quantum cryptography (PQC), quantum key distribution (QKD), and algorithm stacking features.
These updates aim to defend against harvest-now, decrypt-later (HNDL) threats as quantum computing advances.
Customers using FortiGate NGFW and Fortinet Secure SD-WAN gain access to quantum-safe features at no additional cost.
Fortinet supports a hybrid cryptographic approach to help enterprises gradually transition to post-quantum security.
The company continues its strategy of unifying security and networking within a single operating system to future-proof enterprise environments.

As quantum computing inches closer to real-world application, Fortinet has taken a major step in preparing enterprise infrastructure for what many cybersecurity experts warn could be the next major encryption crisis. The company announced enhancements to FortiOS—its unified operating system—that make quantum-safe capabilities available today across core Fortinet products, including FortiGate next-generation firewalls and Fortinet Secure SD-WAN solutions.

This move is designed to protect customers against harvest-now, decrypt-later (HNDL) attacks, where malicious actors store encrypted data today with the intent to decrypt it in the future using quantum-powered tools.

Quantum-Resistant Encryption Available Today

Michael Xie, Fortinet’s Founder, President, and CTO

“Many enterprises are eager to take action to protect their networks from quantum-powered threats,” said Michael Xie, Fortinet’s Founder, President, and CTO. “That’s why we’ve made cutting-edge, quantum-safe features available today for FortiGate NGFW and Fortinet Secure SD-WAN customers, so they can confidently transition to post-quantum security.”

These capabilities are included in the FortiOS 7.6 update and aim to simplify the quantum security transition for enterprises handling long-term sensitive data—particularly those in sectors like telecommunications, financial services, healthcare, and government.

Expanded Quantum-Safe Features in FortiOS 7.6

The FortiOS platform update introduces multiple quantum-safe tools:

Post-Quantum Cryptography (PQC): FortiOS now supports NIST-backed algorithms such as ML-KEM, as well as emerging candidates like BIKE, HQC, and Frodo. These encryption methods are designed to resist quantum decryption attempts.
Quantum Key Distribution (QKD): By integrating with QKD vendors via standardized interfaces, Fortinet allows customers to exchange encryption keys using quantum mechanics, which inherently reveals any eavesdropping attempts.
Algorithm Stacking: Fortinet enables the use of multiple encryption algorithms simultaneously, making it harder for attackers to break encrypted communication even if one method is compromised.
Hybrid Mode Transitioning: Fortinet’s approach supports coexistence of traditional cryptographic methods with quantum-safe alternatives, offering customers a flexible, phased migration path.
Streamlined UI for Admins: FortiOS also now includes a simplified interface for configuring quantum-safe settings, making it easier for network administrators to implement advanced cryptographic protections without requiring deep expertise in quantum computing.

The Urgency Behind Post-Quantum Security

Quantum computing is not yet widely commercially available, but its anticipated capabilities already pose a looming threat. Bad actors are reportedly stockpiling encrypted traffic today with the goal of decrypting it once quantum computers mature. Fortinet’s update is a direct response to this strategy, prioritizing security for organizations where data sensitivity—and the duration that data must remain confidential—is especially high.

Industries like finance and healthcare, where confidentiality is mandated over years or decades, are seen as particularly vulnerable. By offering quantum-resistant tools now, Fortinet aims to help customers stay ahead of this eventual threat curve.

Continuing the Fortinet Strategy: Convergence and Trust

The new quantum-safe capabilities are delivered through Fortinet’s unified platform model—FortiOS—which has long integrated networking and security functions into a single architecture. This tight convergence enables quicker deployment of innovations and supports consistent policy enforcement across environments.

The release also reinforces Fortinet’s broader market messaging around trust and long-term resilience. The company frequently emphasizes its ongoing collaborations with industry bodies, government CERTs, and standards organizations as proof of its commitment to both secure innovation and responsible product development.

Looking Ahead

Quantum computing’s real-world impact on cybersecurity might still be years away, but Fortinet’s move suggests that forward-looking enterprises are already preparing. Offering quantum-resilient features at no extra cost could encourage more widespread experimentation and adoption, while reducing risk for sectors where encryption is mission-critical.

Fortinet’s decision to embed post-quantum readiness into FortiOS continues its tradition of staying ahead of threat evolution, while also providing practical, deployable tools that can be integrated today.

Conclusion

As IT leaders evaluate their long-term cybersecurity strategy, especially around the longevity of encrypted assets, Fortinet’s quantum-safe enhancements to FortiOS offer a timely response. The inclusion of post-quantum cryptography, QKD integrations, and algorithm stacking—combined with a hybrid approach for ease of adoption—positions Fortinet as one of the few enterprise vendors taking tangible steps to address quantum threats now. This proactive strategy may help enterprises bridge today’s encryption standards with tomorrow’s post-quantum landscape.

Learn how AI Agents can supercharge your company’s profits and productivity at TMC’s AI Agent Event, Sept 29-30, 2025 in DC.

If you liked this post, you’ll love one of the the leading global business communications and technology events since 1999, the ITEXPO #TECHSUPERSHOW, Feb 10-12, 2026 Fort Lauderdale, Florida.

Don’t forget the collocated MSP Expo – just for managed service providers!

Aside from his role as CEO of TMC and chairman of ITEXPO #TECHSUPERSHOW Feb 10-12, 2026, Rich Tehrani is CEO of RT Advisors and a Registered Representative (investment banker) with and offering securities through Four Points Capital Partners LLC (Four Points) (Member FINRA/SIPC). He handles capital/debt raises as well as M&A. RT Advisors is not owned by Four Points.

The above is not an endorsement or recommendation to buy/sell any security or sector mentioned. No companies mentioned above are current or past clients of RT Advisors.

The views and opinions expressed above are those of the participants. While believed to be reliable, the information has not been independently verified for accuracy. Any broad, general statements made herein are provided for context only and should not be construed as exhaustive or universally applicable.

Portions of this article may have been developed with the assistance of artificial intelligence, which may have contributed to ideation, content generation, factual review, or editing