Finance identity security gaps show where MFA and access fail

At a glance

What this is: This is a finance-focused identity security report that highlights gaps in access management, MFA, passwordless authentication, and shared account governance.

Why it matters: It matters because financial organisations often run mixed human and non-human identity estates, and weak authentication or shared-account practices increase both breach likelihood and governance debt.

By the numbers:

• 97% of NHIs carry excessive privileges, increasing unauthorised access and broadening the attack surface.
• 96% of organisations store secrets outside of secrets managers in vulnerable locations including code, config files, and CI/CD tools.
• 91.6% of secrets remain valid five days after the targeted organisation is notified, showing a critical gap in remediation procedures.

👉 Read Secret Double Octopus's report on the 2026 state of identity security in finance

Context

Finance organisations depend on identity controls that have to work across employees, contractors, shared accounts, service accounts, and automated systems. When authentication, access management, and lifecycle governance are uneven, the result is not only more login friction, but a larger identity security debt that compounds across the programme.

This report sits squarely in that gap. The central issue is not whether MFA or passwordless authentication exists, but whether financial institutions can govern access consistently when shared accounts, remote access, and delegated administrative use cases still create exceptions that weaken IAM discipline.

Key questions

Q: How should financial organisations govern shared accounts without losing accountability?

A: Financial organisations should minimise shared accounts, assign a named owner to every exception, and enforce detailed logging for each use. If a shared account is unavoidable, the control objective must be traceability, approved purpose, and regular review. Without that, shared access becomes an accountability gap that can survive even when authentication is strong.

Q: Why do MFA and passwordless controls still leave identity risk in place?

A: MFA and passwordless reduce credential theft and phishing risk, but they do not correct excessive privilege, stale access, or unmanaged exceptions. If an identity already has too much access, stronger authentication only makes that overreach harder to attack, not harder to abuse. The real gain comes when authentication and authorisation are improved together.

Q: How do teams know whether identity security debt is improving?

A: Teams should measure the number of exceptions, the age of privileged accounts, the proportion of access reviewed on schedule, and the volume of shared or legacy credentials still in use. If those figures are not shrinking, the programme is modernising the front door while leaving the back door open.

Q: Who is accountable when a shared account or privileged login is misused?

A: Accountability should sit with the business owner of the account, the technical owner of the system, and the security team that defines the control standard. If ownership is unclear, the organisation cannot prove whether the access was legitimate, reviewed, or offboarded correctly.

Technical breakdown

Shared accounts and the collapse of individual accountability

Shared accounts are often justified as an operational shortcut, but they break the audit trail that identity programmes rely on. When multiple people use the same credential set, it becomes difficult to prove who performed a privileged action, when it occurred, or whether the access was still appropriate. In regulated environments, that creates not just security risk but governance ambiguity. Passwordless authentication can reduce credential exposure for a shared account, but it does not restore identity accountability by itself. The real issue is whether the account model still matches the control model.

Practical implication: treat shared accounts as a governance exception that requires explicit ownership, logging, and lifecycle review.

MFA, passwordless, and access management in finance

MFA strengthens authentication by requiring more than a password, while passwordless removes the password from the path altogether and shifts assurance to device, cryptographic, or biometric factors. In finance, that matters because phishing, credential stuffing, and token theft all target weak human login patterns. But MFA is only one control in the access chain. If access rights are over-broad, if remote sessions are unmanaged, or if privileged workflows are exempted, authentication strength cannot compensate for bad authorisation design. Identity security debt builds when the authentication layer is modernised faster than the access model beneath it.

Practical implication: pair MFA or passwordless rollouts with a review of privileged entitlements, session controls, and exception handling.

Why identity security debt keeps growing

Identity security debt is the accumulation of unresolved gaps across authentication, authorisation, credential hygiene, and account lifecycle management. It grows when teams keep adding exceptions for legacy systems, shared operational access, or urgent business cases without retiring the old model. In financial services, that debt is especially costly because it spreads across high-trust workflows, audit requirements, and third-party integrations. The problem is not a single missing control. It is the slow mismatch between the programme’s design assumptions and the actual ways people and systems access sensitive resources.

Practical implication: measure identity risk as accumulated exception handling, not only as point-in-time control deployment.

NHI Mgmt Group analysis

Identity security debt is the right lens for finance IAM. The report’s theme points to a programme that has accumulated exceptions faster than it has retired legacy access patterns. MFA, passwordless, and access management all help, but finance teams still inherit technical debt when shared accounts, remote admin paths, and manual approvals remain in circulation. The practical conclusion is that identity maturity must be measured by how much exception handling remains, not by how many tools are deployed.

Shared accounts are a governance problem before they are an authentication problem. Finance organisations often focus on securing the login flow, but shared credentials undermine accountability even when the login is strong. If a team cannot map an action back to a person, the control stack has already lost precision. The implication is that identity programmes need ownership, traceability, and lifecycle rules that survive operational shortcuts.

Passwordless does not fix over-permissioned access. Removing passwords reduces one attack path, but it does not correct authorisation sprawl or privileged access drift. In finance, this matters because strong authentication can create false confidence if service accounts, shared admin roles, or long-lived elevated access remain untouched. Practitioners should read passwordless as one layer in a broader access-control redesign, not as the endpoint.

Finance is moving toward a mixed identity estate that IAM tools must govern consistently. Human users, shared operational accounts, and non-human identities increasingly coexist in the same workflows. That creates a single governance challenge: who or what has access, for how long, and under what auditability. The organisations that separate authentication modernisation from account governance will keep paying the cost in risk, audit friction, and operational exceptions.

From our research:

• 91.6% of secrets remain valid five days after the targeted organisation is notified, showing a critical gap in remediation procedures, according to Ultimate Guide to NHIs.
• Only 5.7% of organisations have full visibility into their service accounts, which means most identity teams are still operating with incomplete machine identity inventory.
• The 52 NHI Breaches Analysis shows how weak lifecycle control turns identity exposure into recurring operational risk.

What this signals

Finance teams should expect the identity programme to converge around exception management rather than isolated control deployment. Identity security debt: the longer shared accounts, privileged exceptions, and legacy access paths remain unresolved, the more the programme’s assurance model diverges from reality.

With only 5.7% of organisations having full visibility into their service accounts, financial institutions cannot assume that human IAM improvements automatically cover machine identities. The next planning cycle should treat access inventory and lifecycle ownership as one programme, not two.

Shared-account governance will remain a pressure point wherever operational convenience outruns auditability. Teams that move faster on authentication than on ownership and offboarding will keep rediscovering the same control gap in different forms.

For practitioners

• Inventory shared accounts and assign accountable owners Map every shared account to a named business owner, define approved use cases, and require review for any account that cannot be tied to a single operator or control objective.
• Align MFA and passwordless with authorisation review Before rollout, reassess privileged entitlements, session controls, and exception paths so stronger authentication does not mask excessive access or unmanaged delegation.
• Measure identity security debt as unresolved exceptions Track legacy access paths, dormant administrative exceptions, and accounts that bypass standard lifecycle controls, then report reduction over time as a programme metric.
• Bring non-human identities into the same governance model Apply ownership, rotation, and offboarding rules to service accounts and other machine identities that support financial workflows, instead of leaving them outside the IAM operating model.

Key takeaways

• Finance identity programmes fail when authentication improvements outpace account governance.
• Shared accounts and unresolved exceptions create accountability gaps that stronger login controls do not close.
• The practical test of identity maturity is whether exceptions, legacy access, and unmanaged identities are shrinking.

Key terms

• Identity Security Debt: The accumulation of unresolved identity control gaps across authentication, authorisation, lifecycle, and exception handling. In finance, it shows up when old access patterns remain in place while new controls are layered on top, leaving the programme looking modern but still carrying inherited risk.
• Shared Account: An account used by more than one person, usually for operational convenience or legacy support. Shared accounts reduce attribution because actions cannot be cleanly tied to one individual, so they must be treated as governed exceptions with ownership, logging, and review.
• Passwordless Authentication: An authentication method that removes passwords from the login flow and relies on stronger factors such as device trust, cryptographic keys, or biometrics. It improves resistance to phishing and credential theft, but it does not fix over-permissioned access or weak account governance.
• Access Management: The set of controls that determine who or what can reach which resources, under what conditions, and for how long. In practice, it includes approvals, entitlements, session boundaries, and exception handling, and it fails when those pieces are managed separately.

What's in the full report

Secret Double Octopus's full report covers the operational detail this post intentionally leaves for the source:

• Role-specific findings on access management and MFA in financial environments
• Practical guidance on passwordless adoption for enterprise authentication programmes
• How shared accounts are being handled in real-world IT support and administrative workflows
• The report's framing of identity security debt across finance use cases

👉 The full Secret Double Octopus report adds the finance-specific context behind access management and MFA gaps.

Deepen your knowledge

NHI governance, agentic AI identity, and machine identity lifecycle are core topics in our NHI Foundation Level course, the industry's only accredited NHI security programme. If you are building or maturing an IAM programme, it is worth exploring.