Across the financial services sector, CIOs, CISOs, and risk officers have become familiar with a common refrain: cryptographic keys are everywhere, and they’re getting harder to control. At the same time, regulators continue to scrutinize how these institutions protect sensitive data, customers demand intuitive digital experiences, and attackers are always looking for new weak points
This is why key management, which was once a back-office function that few outside security teams thought about, has moved to the forefront. Financial organizations are accelerating investments in modern key management systems (KMS), but it’s important to understand where traditional approaches fall short, and what role emerging issues like post-quantum cryptography (PQC) play in shaping the next generation of security strategies
Here, we’ll cover:
- The business and regulatory pressures forcing change
- Why legacy key management systems no longer fit modern operating models
- How cloud adoption and digital transformation increase reliance on KMS
- The looming impact of quantum computing on cryptography
- What future-ready financial key management systems should deliver
Why Financial Services Can’t Afford Weak Key Management
Financial services are uniquely attractive to cybercriminals. But breaches don’t just cost money. They damage trust, and in this industry, trust is a currency. The average cost of a breach in financial services is just over $6 million, which is among the most expensive of any sector [source]
Every breach that occurs has a common denominator: compromised cryptographic protections. Whether it’s encrypting customer records, securing transactions, or ensuring the integrity of messaging protocols like SWIFT, cryptographic keys do the heavy lifting. Without effective key management, those protections are only as strong as the weakest link
A strong KMS helps financial firms:
- Keep sensitive data confidential
- Guarantee the integrity of digital transactions
- Ensure availability of cryptographic services
- Prove compliance with PCI DSS, GDPR, FFIEC, and other regulations
While this may have been a strictly “security operations” issue at one point, those days are behind us. Boards, regulators, and even customers expect evidence that institutions have a resilient key management system in place
Legacy Key Management Systems Fall Short. Here’s Why
Many banks and insurers still depend on legacy HSMs and fragmented KMS deployments, which, unfortunately, makes sense considering how long it can take for large institutions to adapt to change. Traditional HSMs remain critical for root-of-trust functions, but they weren’t built for today’s distributed, cloud-first environment
The gaps are clear. The move to hybrid and multi-cloud architectures has forced institutions to manage keys across providers and environments, each with its own KMS. Meanwhile, compliance teams are suffering from audit fatigue due to lengthy and costly audits because of the lack of automation in their legacy tools. And security teams often don’t even know where all their keys are, let alone if they’re still secure or not
Let’s put it bluntly: cryptography has become a board-level risk. And legacy tools can’t provide the visibility or agility modern institutions require
Cloud and Digital Transformation Have Changed the Equation
The pace of digital banking adoption has been staggering. From mobile-first experiences to open banking APIs, financial institutions are reinventing how they deliver services. This has made life easier for both businesses and individual consumers, but there’s a catch: Every new digital touchpoint increases reliance on encryption, and therefore on robust key management systems
Cloud adoption only magnifies the challenge. Institutions often find themselves juggling AWS KMS, Azure Key Vault, and Google Cloud KMS while still maintaining on-premises environments.
Regulators, however, expect banks to retain control over their keys regardless of where their applications run. That tension is driving a push toward unified KMS platforms that provide centralized oversight and policy enforcement
When real-time payments, digital wallets, and fintech integrations are business-critical, waiting for a manual key rotation isn’t an option. A modern key management system makes these processes much more seamless, reducing friction for both developers and compliance officers
The Next Big Key Management Test: Post-Quantum Cryptography (PQC)
As if today’s challenges weren’t already enough, quantum computing is on the horizon. While it may be years before practical quantum computers emerge, the forecasts are shrinking, and the threat is real: widely used algorithms like RSA and ECC will eventually be broken and expose decades of encrypted financial data
For financial services, the stakes couldn’t be higher. “Harvest now, decrypt later” attacks, where criminals steal encrypted data now and wait until quantum tools are available to unlock it, are already a concern
The transition to quantum-safe algorithms won’t be simple. Institutions must first discover where current algorithms are in use, then plan carefully to avoid breaking critical systems during migration.
Most importantly, they’ll need to create crypto agility within their organization, or the ability for their key management system to adopt new algorithms as standards evolve
This is where Fortanix solutions come in: Key Insight helps organizations map and assess cryptographic usage, while Data Security Manager (DSM) provides the agility to transition smoothly to PQC and manage keys across hybrid environments.
For a sector that prizes stability, starting this work early can be the difference between success and catastrophe down the line
What to Expect from a Future-Ready KMS
When financial services firms evaluate modern key management systems, they’re looking for a foundation that supports compliance, resilience and innovation. Key criteria should include:
- Unified control across cloud, on-premises, and hybrid setups
- Automated lifecycle management for keys, secrets, and certificates
- Regulatory support with easy-to-generate compliance reports
- Integration flexibility with HSMs, cloud KMS, and partner applications
- Quantum readiness with PQC support and crypto-agility
In other words, the best KMS does more than simply store keys. It should give institutions the confidence to innovate without creating unmanageable risk
Financial Services and Key Management: The Race Is On
Financial services companies don’t have the luxury of waiting around. Every new regulation, customer expectation, and cryptographic development adds urgency to the need for modern key management systems.
Legacy approaches may have been good enough in the past, but they won’t hold up under today’s pressures. And they will be decimated by tomorrow’s quantum disruption
By adopting a modern, unified, and PQC-ready key management system, financial institutions can strengthen trust, satisfy regulators, and stay ahead of attackers
If you’re ready to see where your cryptography stands today, take a look at Fortanix Key Insight. And if you want to learn how to automate management and prepare for PQC transitions, explore Fortanix Data Security Manager (DSM)
Request a demo to see how Fortanix can help future-proof your financial services security


