On July 22, 2025, Fortinet, a leader in cybersecurity, announced a major upgrade to its FortiOS operating system designed to protect organizations from the looming threat posed by quantum computing. This update, FortiOS 7.6, introduces quantum-safe encryption features that are available at no additional cost to users of Fortinet's FortiGate next-generation firewall (NGFW) and Secure SD-WAN products. The enhancements aim to safeguard highly sensitive data against future quantum-powered cyberattacks, particularly those known as harvest-now, decrypt-later (HNDL) attacks.
Quantum computing represents a seismic shift in computational power, capable of performing calculations at speeds far beyond classical computers. While this promises breakthroughs across many fields, it also threatens current encryption standards that protect digital communications and sensitive information. Cybercriminals are already exploiting this by capturing encrypted data today, intending to decrypt it once quantum computers become powerful enough—a strategy that puts industries with long-term data relevance, such as telecommunications, financial services, government, and healthcare, at great risk.
Fortinet’s new FortiOS 7.6 update addresses these concerns head-on by incorporating a suite of quantum-safe capabilities. These include post-quantum cryptography (PQC) methods that use National Institute of Standards and Technology (NIST)-approved algorithms like ML-KEM, alongside emerging algorithms such as BIKE, HQC, and Frodo. These algorithms are designed to withstand attacks from quantum computers, ensuring that encryption remains robust even in a post-quantum world.
Another standout feature is quantum key distribution (QKD), which leverages the principles of quantum mechanics to enable the secure exchange of encryption keys. Any attempt at eavesdropping can be detected immediately, making QKD a powerful tool for enhancing network security. Fortinet introduced support for QKD starting with FortiOS 7.4, and the latest update continues to build on this by enabling interoperability with leading QKD vendors through standardized interfaces. This integration reflects Fortinet’s proactive strategy to embed quantum-resilient mechanisms within its NGFW architecture.
Fortinet has also implemented algorithm stacking, a technique that combines multiple cryptographic algorithms to create a more resilient defense against attacks. This layered approach enhances the security of network infrastructures by making it significantly harder for attackers to breach encryption. Complementing this is a hybrid mode feature that allows organizations to transition gradually to post-quantum security by integrating traditional public-key cryptography with QKD. This smooth migration path is crucial for enterprises aiming to future-proof their security without disrupting existing systems.
Ease of use is another priority in Fortinet’s update. The FortiOS 7.6 includes an enhanced user interface that simplifies the configuration and management of quantum-safe settings. Network administrators can now implement complex quantum-safe security measures with greater confidence and less complexity, which is vital for widespread adoption and effective defense.
Michael Xie, Fortinet’s Founder, President, and Chief Technology Officer, emphasized the company’s commitment to innovation and customer protection. He stated, “At Fortinet, we’re committed to arming customers with cutting-edge technology to protect against new and emerging threats. As quantum computing advances, organizations can trust Fortinet’s technology innovation and leadership to safeguard their critical data and future-proof their infrastructures.” He further highlighted that many enterprises are eager to deploy these quantum-safe features immediately, underscoring the urgency of addressing quantum threats today.
Fortinet’s approach is grounded in its unique principle of converging networking and security through a unified operating system. This enables the company to rapidly deploy advanced updates across its product portfolio, ensuring customers benefit from the latest innovations without delay. With over half a million customers trusting Fortinet’s solutions, which are among the most deployed and validated in the industry, the company is well-positioned to lead the charge in quantum-safe cybersecurity.
The company’s elite FortiGuard Labs plays a pivotal role in this effort by harnessing machine learning and artificial intelligence to provide timely threat intelligence and protection. Fortinet also collaborates with public and private sector organizations, including Computer Emergency Response Teams (CERTs), government entities, and academic institutions, to enhance global cyber resilience.
Quantum-safe encryption is no longer a distant concern but an immediate necessity for organizations handling sensitive, long-term data. The rise of HNDL attacks means that encrypted information intercepted today could be vulnerable tomorrow. Fortinet’s FortiOS 7.6 update offers a comprehensive, multi-layered defense that not only counters these emerging threats but also facilitates a smooth transition to a post-quantum security landscape.
By providing these advanced quantum-safe features at no additional cost, Fortinet removes barriers to adoption, enabling organizations across critical sectors to strengthen their security posture proactively. This move also reinforces Fortinet’s reputation as a trusted cybersecurity partner, committed to innovation and customer value.
As quantum computing continues to evolve, the cybersecurity landscape must adapt swiftly. Fortinet’s latest FortiOS enhancements represent a significant step forward in protecting digital infrastructure against next-generation threats. Organizations can now confidently prepare for a future where quantum computers are a reality, ensuring their data remains secure today and tomorrow.
