Money never rests — and neither does the cybercriminal.
Neobanks and digital wallets are growing fast. Millions of people now employ apps like Revolut, Chime and PayPal to send, hold and pay with money on a daily basis. But easy is dangerous.
Hackers target these platforms constantly. A single security hole can open thousands of accounts all at once. That’s why security audits are not an option anymore — they’re survival.
But the challenge is most fintech teams don’t understand which tools actually work to audit a neobank or digital wallet environment. The choices are daunting, and the consequences are too high to simply take a guess.
Here’s the breakdown. You’ll discover 10 of the top software tools designed for neobank and digital wallet security audits, clearly explained in plain English — with real comparisons, use cases and tips so that you can make one good choice.
Why Security Audits for Neobanks Are Trending Right Now
Let’s set the stage.
Old-school banks have walls — literal ones and digital ones. They’ve had decades to construct security systems. Neobanks are different. They’re fast, lean, and cloud-native. That keeps them nimble — but also more vulnerable.
Payment information, personal identification data and transaction history are among the keys stored in digital wallets. When that data leaks, users lose money, trust, and occasionally their identity.
Industry sources reported that between 2022 and 2024, fintech companies suffered a 45% rise in cyber-attacks. Regulators such as the FCA, RBI and CFPB are now requiring evidence of regular security examinations.
A security audit at a neobank involves more than just scanning for viruses. It includes checking:
- API security
- Encryption standards
- Authentication flows
- PCI DSS, GDPR and ISO 27001 compliance
- Penetration testing
- Real-time fraud detection
It’s a lot of ground to cover. The right software makes it doable.
What Security Audit Software for Fintech Should Look Like
Not all security tools fare well in a fintech world. A tool developed for a retail site is not going to fly when you’re dealing with financial data regulated by multiple governments.
Here’s what to look for:
| Feature | Why It Matters |
|---|---|
| API Security Testing | Neobanks are built on APIs — they need to be solid |
| Compliance Mapping | Tools should attach to PCI DSS, GDPR and SOC 2 |
| Real-Time Monitoring | Threats won’t wait till you’re off work |
| Penetration Testing Support | Mimics real attacks before bad actors do |
| Cloud-Native Compatibility | Most neobanks reside on AWS, GCP or Azure |
| Reporting & Audit Trails | Required for regulators and internal review |
Keep this table in mind when reading the list of tools below.
The 10 Must-Have Software for Neobank & Digital Wallet Security Audits
1. Burp Suite Pro — The API Attack Simulator
Best for: Penetration testers and security engineers
Burp Suite Pro is a widely used tool in the field of cybersecurity. For neobanks, it’s a treasure trove for testing APIs and web application vulnerabilities.
REST APIs are what allow digital wallets to process transactions. If these APIs aren’t secured, data can be intercepted by attackers mid-transfer. Burp Suite enables your team to mimic precisely those kinds of attacks.
Key Features:
- Active and passive web application scanning
- Advanced API testing with Intruder and Repeater tools
- Visual attack map showing every endpoint
- Comprehensive vulnerability reports for compliance teams
Why neobanks love it: It detects issues in authentication flows — precisely where most wallet breaches take place.
Pricing: From $449 per year per user. Enterprise plans available.
Limitation: It’s something only experts can truly use. Not beginner-friendly.
2. OWASP ZAP — The Free Powerhouse
Best for: Budget-strapped startups and teams
OWASP ZAP (Zed Attack Proxy) is a completely free, open-source tool. Don’t be thrown by the price — it is used by serious security teams globally.
For early-stage neobanks and digital wallet startups, ZAP provides professional-grade vulnerability scanning at zero cost. It’s really good at catching the OWASP Top 10 vulnerabilities — the most prevalent attack vectors in web and mobile fintech apps.
Key Features:
- Automated security scans
- API fuzzing and testing
- Active and passive scanning modes
- Plugin ecosystem for custom rules
Ideal use case: Running automated scans on your wallet’s mobile API before each product release.
Limitation: Interface can feel clunky. The tools around it are not enough for big-scale audits.
3. Qualys VMDR — Cloud Security for Regulated Fintech
Best for: Mid-to-large neobanks in regulated markets
Qualys VMDR (Vulnerability Management, Detection and Response) is a cloud-based package that spans the entire audit cycle.
Neobanks operating in the UK, EU or India face serious regulatory pressure. Qualys correlates vulnerabilities to compliance frameworks such as PCI DSS, ISO 27001 and GDPR. That means your audit report is regulator-ready from the start.
Key Features:
- Continuous asset inventory
- Real-time threat prioritization
- Compliance posture dashboards
- Integration with SIEM tools
Security Audit Coverage Table:
| Compliance Standard | Qualys Support |
|---|---|
| PCI DSS | Full |
| ISO 27001 | Full |
| GDPR | Partial |
| SOC 2 | Full |
| NIST | Full |
Pricing: Custom enterprise pricing. Free trial available.
Best feature: Automatically connects each vulnerability with its compliance consequences — incredibly helpful for audit documentation.
4. Nessus Professional — The Classic That Still Delivers
Best for: Teams requiring deep infrastructure scanning
Tenable’s Nessus has been around for decades, but it still holds up. For neobanks that operate on cloud infrastructure with on-prem components, Nessus performs deep scanning and discovers misconfigurations before attackers do.
Digital wallets are usually integrated with payment gateways, banking cores and third-party KYC providers. Every connection is a potential entry point. Nessus maps all of them.
Key Features:
- More than 170,000 plugins to detect threats
- Configuration auditing
- Network and host-based scanning
- Integration with ticketing tools such as Jira
Why it still matters: It is one of the only tools that handles both legacy infrastructure and modern cloud workloads equally well.
Pricing: $3,990/year for Nessus Professional.
5. Veracode — Built for Secure Code in Fintech Apps
Best for: Development teams building neobank mobile apps
Most security tools are testing what’s already deployed. Veracode takes it a step further — it tests the code before it even ships.
For neobanks creating their own iOS and Android wallet apps, Veracode fits inside the development pipeline (CI/CD) and automatically scans code to detect vulnerabilities. That’s called DevSecOps — security embedded in development from day one.
Key Features:
- Static Application Security Testing (SAST)
- Dynamic Application Security Testing (DAST)
- Software Composition Analysis (SCA) for open-source risks
- Developer fix advice integrated into the workflow
Why this matters for digital wallets: One insecure open-source library in your wallet app puts millions of users at risk. Veracode catches that before launch.
Pricing: Quote-based. Mid-to-large fintech companies are the primary audience.
6. Splunk Enterprise Security — The Real-Time Watchdog
Best for: Neobanks that require 24/7 threat monitoring
Security audits aren’t once-and-done. Real security means constant monitoring. Splunk Enterprise Security is a SIEM (Security Information and Event Management) platform that observes everything in real time.
When a digital wallet is processing thousands of transactions every minute, Splunk can detect anomalies instantly. An unusually high number of failed logins at 3 AM? Splunk captures it and triggers an alert.
Key Features:
- Real-time event correlation
- Machine learning for fraud pattern detection
- Custom dashboards for different teams
- Integration with 300+ security tools
Real-World Scenario: A neobank in Southeast Asia utilized Splunk to identify a credential stuffing attack eight minutes after it began — stopping $2.1 million in potential fraud.
Pricing: Cost is driven by the volume of data ingested. Can get expensive at scale, but worth it.
7. Checkmarx — Scanning Code the Smart Way
Best for: Fintech dev teams that build complex backend code
Checkmarx is another code-level security scanner, but it excels at finding logic flaws — the kind that basic scanners miss.
In a digital wallet, logic flaws can be devastating. Think of a bug that permits users to transfer more money than they possess, or one that makes it possible to bypass two-factor authentication. Checkmarx uncovers these before cyber threats do.
Key Features:
- SAST and DAST capabilities
- API security testing
- Incremental scanning (only scans changed code)
- Supports 30+ programming languages
Comparison: Checkmarx vs. Veracode
| Feature | Checkmarx | Veracode |
|---|---|---|
| Best For | Logic flaws | Compliance-focused scanning |
| Language Support | 30+ | 20+ |
| CI/CD Integration | Yes | Yes |
| Ease of Use | Moderate | Easier |
| Price Range | Enterprise | Enterprise |
Both are excellent. Your decision hinges on what your dev team values most.
8. AWS Security Hub — For Neobanks Living in the Cloud
Best for: Neobanks fully deployed on Amazon Web Services
Many neobanks are entirely built on AWS. If that’s you, AWS Security Hub should be in your audit toolkit.
It centralizes all security findings from your entire AWS environment — every Lambda function, S3 bucket, RDS database and API Gateway — into a single dashboard. It’s like having a security control tower for your entire cloud infrastructure.
Key Features:
- Automated compliance checks against CIS Benchmarks and PCI DSS
- Integration with GuardDuty, Inspector, and Macie
- Cross-account and cross-region visibility
- Custom action workflows for remediation
What makes it unique: It doesn’t just identify issues — it tells you specifically what to do for each one, often with a direct link to AWS documentation.
Pricing: $0.0010 per finding per month. Very cost-effective for small-to-mid neobanks.
9. Prisma Cloud by Palo Alto Networks — Multi-Cloud Security Mastery
Best for: Neobanks running across AWS, Azure and GCP
Not every neobank operates on a single cloud. Many use multi-cloud configurations for resiliency and flexibility. Prisma Cloud was designed for exactly that situation.
It delivers full-stack cloud protection — from code to cloud runtime — across all major providers. For digital wallets that operate across borders, this is among the most comprehensive tools available.
Key Features:
- Cloud Security Posture Management (CSPM)
- Cloud Workload Protection Platform (CWPP)
- Identity and Access Management (IAM) analysis
- Threat intelligence integration
Prisma Cloud Security Coverage Overview:
| Cloud Provider | Coverage Level |
|---|---|
| AWS | Full |
| Microsoft Azure | Full |
| Google Cloud | Full |
| Oracle Cloud | Partial |
| Alibaba Cloud | Partial |
Pricing: Modular pricing depending on components selected. Premium product with premium pricing.
Limitation: Setup complexity is high. Dedicated cloud security engineers are recommended.
10. Plaid Security Monitoring Tools — Built by Fintech, for Fintech
Best for: Neobanks and wallets using open banking APIs
While Plaid is best known as a financial data aggregation platform, it offers strong security and monitoring features specifically designed for fintech environments.
For neobanks that connect to other banks via Plaid’s network, the built-in security monitoring helps ensure those connections remain clean, compliant and auditable.
Key Features:
- Transaction anomaly detection
- Bank account verification integrity checks
- OAuth and token management monitoring
- Open banking regulation compliance reporting
Why it’s on this list: Many fintech security tools are built with a broad cybersecurity focus. Plaid’s tools speak the language of banking — they know what normal financial behavior looks like, making fraud detection far more accurate.
Pricing: Usage-based pricing tied to API calls.
How to Pick the Right Tool for Your Neobank
With 10 options in front of you, the decision can be daunting. Here’s a simple framework to help:
Step 1 — Know your stack. Are you fully on AWS? Use AWS Security Hub. Multi-cloud? Go Prisma Cloud.
Step 2 — Know your team. Developers on your team? Add Veracode or Checkmarx. Security engineers? Burp Suite Pro or Nessus.
Step 3 — Know your budget. Bootstrapped startup? Start with OWASP ZAP. Series B and beyond? Invest in Qualys or Splunk.
Step 4 — Know your compliance needs. Operating in the EU? You need GDPR mapping. US-based? PCI DSS and SOC 2 are your benchmarks.
For a deeper look at how neobanks and digital banking products compare on security and compliance standards, BankProfi is a great resource to bookmark.
Quick Selection Guide:
| Neobank Stage | Recommended Tools |
|---|---|
| Early Startup | OWASP ZAP + AWS Security Hub |
| Growth Stage | Nessus + Burp Suite Pro + Splunk |
| Enterprise | Qualys + Prisma Cloud + Veracode + Splunk |
| Dev-Heavy Team | Checkmarx + Veracode |
| Open Banking Focus | Plaid Security Tools |
The Security Audit Process: A Simple Breakdown
Even the best tools don’t work without a clear process. Here’s how a typical neobank security audit flows:
Phase 1 — Asset Discovery Find every system, API, database, and third-party connection. Tools like Qualys and AWS Security Hub shine here.
Phase 2 — Vulnerability Scanning Run automated scans across your infrastructure. Nessus and Qualys cover this well.
Phase 3 — Penetration Testing Simulate real-world attacks. This is where Burp Suite Pro and OWASP ZAP come in.
Phase 4 — Code Review Inspect the application code for logic flaws and insecure libraries. Veracode and Checkmarx handle this phase.
Phase 5 — Monitoring & Response Set up continuous monitoring. Splunk is built for this.
Phase 6 — Reporting Generate audit reports for regulators, boards and compliance teams. Most enterprise tools include built-in reporting.
According to the OWASP Foundation, the most critical web application security risks — commonly known as the OWASP Top 10 — remain the leading cause of fintech breaches, making regular penetration testing and code review an absolute must.
The Security Mistakes Neobanks Keep Making
Even well-funded neobanks fall into these traps:
Mistake 1: Treating audits as a one-time task. Security is continuous. A quarterly audit will not suffice in 2025.
Mistake 2: Ignoring third-party risks. Your KYC provider, payment processor and cloud vendor are all part of your attack surface.
Mistake 3: Skipping mobile app security. The app is usually the weakest link. Most breaches start there.
Mistake 4: Not training the team. Tools are only as good as the people using them. Regular security training is non-negotiable.
Mistake 5: Underestimating insider threats. Not all attacks come from outside. Monitor internal access closely.
FAQs About Neobank & Digital Wallet Security Audits
Q1: How frequently should a neobank run a security audit?
At minimum, twice a year. High-volume neobanks should consider continuous monitoring with quarterly deep-dive audits. Run an immediate audit after any major product launch or infrastructure change.
Q2: Is OWASP ZAP good enough for a production neobank?
ZAP works well for early-stage testing, but production-level neobanks need extra tools — like Nessus for infrastructure and Splunk for monitoring. Use ZAP as part of a broader toolkit, not as a standalone solution.
Q3: What is the difference between a vulnerability scan and a penetration test?
A vulnerability scan is automated — it finds known weaknesses. A penetration test is manual or guided — it simulates a real attacker trying to exploit those weaknesses. Neobanks need both.
Q4: Are digital wallets required to comply with PCI DSS?
Yes. Any platform that stores, processes or transmits card data must comply with PCI DSS. Non-compliance can result in fines, license revocation and reputational damage.
Q5: Can small fintech startups afford enterprise security audit tools?
Absolutely. OWASP ZAP is free. AWS Security Hub is very affordable. Nessus Essentials offers a free version. Start there and scale up as your platform grows.
Q6: What is the greatest security threat to digital wallets right now?
API vulnerabilities and account takeover (ATO) attacks top the list in 2025. The vast majority of wallet breaches happen due to poorly secured APIs or weak authentication flows.
Q7: Do I need an external security firm or can I do audits in-house?
Ideally, both. Internal teams handle continuous monitoring and routine scans. External firms bring fresh eyes and regulatory credibility. Many neobanks combine both for maximum coverage.
Conclusion — Security Is No Longer Optional
Let’s be real. Threats against the fintech sector are skyrocketing alongside its growth.
Neobanks and digital wallets hold something truly valuable — people’s money. That responsibility demands more than good intentions. It requires proven tools, consistent processes and a culture that takes security seriously at every level.
The 10 tools covered in this article — from the no-cost power of OWASP ZAP to the enterprise-grade coverage of Prisma Cloud and Splunk — give your team a real fighting chance against today’s cyber threats.
You don’t have to use all 10. Start with what fits your stage, your stack and your team. Build from there.
Because in the world of digital finance, the cost of a breach is always higher than the cost of prevention.
Stay compliant. Stay secure. And keep auditing.
