Topic starter
23/10/2026 12:47 am
TL;DR: Account takeover keeps turning authentication into fraud loss, with Alloy in the middle of the finding, because siloed controls cannot join risk signals across onboarding, contact centres and transactions. Risk decisions across login, recovery and payment steps need shared context or attackers can move through each stage separately.
Editorial analysis by NHI Mgmt Group, based on content published by Alloy: “Authentication failures are fraud prevention failures”.
By the numbers:
- 39% of banking professionals said siloed systems were their most painful authentication challenge, according to Alloy research cited in the article.
- 39% said fraudsters are exploiting the gaps between those silos, according to Alloy research cited in the article.
- 87% of consumers say they would lose trust in their bank if it failed to notify them immediately of a scam attempt, according to Alloy research cited in the article.
Key questions
Q: Why do cross-channel account takeover attacks bypass normal controls?
A: Because attackers use one channel to prepare another.
Q: How should security teams measure whether authentication controls are actually working?
A: Measure the full path, not just successful login.
Q: What breaks when fraud and identity teams work in silos?
A: When fraud and identity teams work in silos, policy decisions diverge, exceptions are handled inconsistently, and no one owns the full trust lifecycle.
Practitioner guidance
- Unify authentication and fraud decisioning Create a shared risk model that combines login, recovery, device and transaction signals before step-up or approval decisions are made.
- Preserve onboarding trust signals Carry KYC data, device fingerprinting, IP reputation and behavioural biometrics forward into later login and transaction workflows instead of resetting context after enrolment.
- Correlate contact centre and digital activity Join call centre resets, credential changes and mobile or web sessions so an apparently valid support interaction cannot clear the fraud view on its own.
Bottom line: Authentication failures become fraud prevention failures when teams cannot share the same view of customer risk across channels.
Glossary terms: Account Takeover, Risk-Based Authentication, Knowledge-based authentication, Trust Profile
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This topic was modified 6 days ago by NHI Mgmt Group
23/10/2026 9:49 am
Siloed authentication is now a governance failure, not just an architecture choice. When authentication and fraud teams operate with different metrics, the organisation loses the ability to answer a basic question: which control actually failed? That is why account takeover persists even when each team believes it has covered its own part of the process. The practical conclusion is that identity governance must span the whole customer journey, not only the login event.
A few things that frame the scale:
- U.S. fraud losses are projected to reach $40 billion by 2027.
A question worth separating out:
Q: Should banks connect onboarding identity data to later fraud decisions?
A: Yes, because onboarding usually captures the richest identity evidence the institution will ever have. Device signals, behavioural biometrics and KYC checks should inform later recovery, login and transaction workflows. Without that continuity, every later interaction is judged from scratch, which helps attackers and creates unnecessary manual review for legitimate customers.
👉 Read our full editorial: Authentication failures become fraud prevention failures in ATO
This post was modified 6 days ago by NHI Mgmt Group