Modern Authentication is the Front Line of Defense for Financial Institutions

Digital wallets may be the most visible evolution in payments, but they are not where financial institutions should be focusing their security strategies. While 5.2 billion consumers increasingly tap, scan and authenticate with ease, the real point of control — and risk — still rests with the issuer. Digital wallets are now the No. 1 way people interact with money worldwide, and every time a card is added to one, financial institutions are responsible for verifying that the person behind the request is legitimate. And as fraud tactics become more sophisticated, that moment has become one of the most critical lines of defense.

The Riskiest Part of the Process Happens Long Before a Transaction

Digital wallets are often perceived as secure by design and in many ways, they are. Authentication methods like biometrics and passkeys embedded directly into a device create a seamless and highly secure user experience. However, that doesn’t cover all the bases.

Fraud typically happens before the point of transaction, when a cybercriminal attempts to link a stolen card to a digital wallet or take over an account. Once a card is successfully provisioned, subsequent transactions rely on device-level authentication, which means the fraudster can appear legitimate moving forward. In other words, if authentication only happens at the “front door” during card setup, a single mistake can result in ongoing exposure. Verifying the cardholder at the moment of card setup is essential; the transaction chain is compromised from the outset. The strongest, most expensive vault door in the world is useless if the wrong person gets the first key cut. In a modern authentication paradigm, authentication therefore needs to extend beyond just the check at the front door.

When a user adds a card to a digital wallet, the request is routed to the issuing bank for authentication. This is the issuer’s opportunity to confirm that the individual initiating the request is the rightful cardholder. If handled effectively, this step prevents unauthorized cards from being provisioned and stops fraud before it enters the payment lifecycle. Both consumer trust and issuer liability are preserved. If handled poorly, however, downstream problems become much harder to detect and resolve at a time when fraud is rapidly evolving. Deepfake-related attacks alone have surged by more than 2,100% since 2022.

Modern Authentication Should Be Adaptive, Not Static

Legacy authentication methods — such as static credentials or one-time passcodes — were not designed to withstand today’s threat landscape. Digital wallet fraud increasingly involves account takeover through stolen credentials and social engineering attacks that intercept authentication codes. Sophisticated attempts to bypass identity verification during onboarding are also on the rise.

It’s tempting to treat card provisioning as the moment where authentication begins and ends. But in a modern threat environment, issuers need to assume that even strong upfront checks can fail, whether through social engineering, deepfakes, account takeover, or a simple cardholder mistake.

That’s why modern authentication must be continuous and risk-aware: not just verifying the identity at enrollment but continuously assessing trust on each transaction. This is the same shift security teams have made with zero trust, moving from perimeter-based controls to ongoing verification throughout the journey.

In the card-not-present world, approaches like EMV 3DS demonstrate the model: hundreds of data points can be evaluated before authorization so the issuer can make a real-time, per-transaction risk decision, typically invisibly to the cardholder. Tokenized wallet payments deserve the same philosophy. The goal isn’t to “challenge” every payment, but to continuously learn what normal looks like and apply step-up controls only when behavior, device, or context deviates from the expected pattern.

When authentication is continuous, a rogue token doesn’t automatically give a fraudster carte blanche. It may work once, but the anomaly created by that first transaction (or sequence of transactions) should trigger adaptive controls that contain the blast radius, for example, step-up authentication, additional issuer-side verification, velocity controls, or temporary token suspension pending confirmation. This becomes even more important as software agents become capable of initiating transactions at speed and scale.

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To keep pace, financial institutions must move toward modern, risk-aware authentication strategies that adapt in real time. These include:

• Context-aware authentication:
Evaluating signals such as device, location, behavior, and transaction patterns to assess risk dynamically throughout the customer journey.
• Multi-channel authentication orchestration:
Seamlessly shifting between mobile app, browser, and other channels based on user context.
• Stronger customer verification during high-risk events:
Applying step-up authentication when anomalies are detected, such as new device enrollment or unusual behavior.
• User-centric design:
Balancing security with a frictionless experience to avoid abandonment during critical flows like card provisioning.

The goal is not to add more friction, but to apply the right level of authentication at the right moment. If provisioning is no longer the catch-all moment, it in itself does not carry the same risk and can also be performed more frictionlessly for cardholders, as a continuous safety net is in place for all further transactions.

Security Should Always Work with the User

One of the biggest challenges financial institutions face is maintaining strong security without disrupting the user experience. Card provisioning is a prime example. Authentication that is too cumbersome may drive users to abandon the process, but excessive leniency increases fraud risk.

Modern authentication solves this by enabling fast, seamless verification for legitimate users and stronger controls only when risk signals are present. Authentication during card setup can be completed in seconds when integrated effectively into the user journey, especially if this setup step is no longer a blank check for all future transactions. This risk-aware approach delivers both security and convenience. And with 75% of digital payment fraud in 2025 happening on mobile devices, modernizing your authentication approach to be lighter upfront and meet fast-paced users on the go is a worthwhile investment.

As digital payments continue to evolve, financial institutions cannot rely on device manufacturers or wallet providers to carry the burden of security. Those platforms control the user experience, but issuers remain accountable for cardholder verification, fraud prevention, and financial liability on an ongoing basis.

Digital wallets are only as secure as the person using them, which means the real future of payments isn’t about the wallet itself. It comes down to whether banks can provide a foundational layer of defense by verifying who is actually behind a transaction, first during card provisioning, and then continuously as transactions occur. The most important security decision may happen before the card is ever used, but modern authentication must keep working long after the token is loaded.

About Entersekt

Entersekt provides banking and payment transaction authentication to financial institutions that is both secure and free from unnecessary friction. Its single, cross-channel platform empowers these institutions to build great user experiences for their customers, helping to drive revenue growth without adding further costs and complexities to their ecosystems.

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