We break what you built, so no one else gets the chance.

AI-native, researcher-led security testing for the applications that are one workflow away from fraud. We find it before they do.
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The question that matters

Everyone checks that your application works. Almost no one checks whether its workflows can be turned into fraud.

Payatu helps you find the flaws that turn into fraud.
WHY MOST WEB TESTINGs FALL SHORT

A clean scan report is not equal to arobust security posture.  

We test your business logic, your trust boundaries, and the gaps between your components.
Most Web App Security Vendors
An automated scan, relabelled as a pentest
OWASP Top 10 ticked off a checklist
The app tested in isolation
A list of severities
Scope set by your budget
Done when the PDF lands
Payatu
Scope set by your risk
Researcher-led testing, AI-assisted for coverage
Business logic and workflow abuse, found by hand
The full chain: client, server, APIs, integrations
Every finding proven, and prioritised by business impact
Done when the fix is verified
What we test

Scope mapped to the applications your business runs on.

From a single customer portal to 200+ applications and APIs. Every engagement is scoped and tailored to your specific needs and requirements.
Customer portals
Payment & transaction systems
REST & GraphQL APIs
Payment & transaction systems
Internal & administrative applications
Customer portals
Payment & transaction systems
REST & GraphQL APIs
Payment & transaction systems
Internal & administrative applications
Customer portals
Payment & transaction systems
REST & GraphQL APIs
Internal & administrative applications
Customer portals
Payment & transaction systems
REST & GraphQL APIs
Payment & transaction systems
Internal & administrative applications

Applications

Business logic & workflow integrity
Authentication controls & Access control across user role
Session management
Data protection in transit & at rest
Input handling & injection vulnerabilities
Client-side security
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Applications

APIs

Object- and function-level authorization (BOLA/BFLA)
Authentication & token security
Session management; Sensitive data exposure
Rate-limiting and abuse protection
Input handling & injection vulnerabilities
API configuration and security headers
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APIs

Infrastructure

App Server & platform configuration
TLS configuration and certificate management
Encryption & certificate hygiene
Information disclosure
Hardening against known attack paths
Infrastructure
Gradient background with smooth transition from dark blue on the lower left to deep red on the lower right, blending into black at the top.
Applications
Business logic & workflow integrity
Authentication Controls & Access control across user role
Session management
Data protection in transit & at rest
Input handling & injection vulnerabilities
Client-side security
Dark background with a bright orange and yellow glowing light streak on the right side, fading into blackness.
APIs
Object- and function-level authorization (BOLA/BFLA)
Authentication & token security
Session management; Sensitive data exposure
Session management; Sensitive data exposure
Input handling & injection vulnerabilities
API configuration and security headers
Infrastructure
App Server & platform configuration
TLS configuration and certificate management
Encryption & certificate hygiene
Information disclosure
Hardening against known attack paths
Process

A defensible process, start to closure.

We continuously optimise our process to ensure you only get results your team can act on.

Scope

Complexity-based scoping with clear effort estimates.
01

Attack Surface Analysis

Attack scenarios mapped to your business risks.
02

Reporting

One report, three audiences: leadership, engineering, auditor.
04

Security testing

AI-powered tooling combined with expert-driven security testing.
03

Remediation guidance

Prioritised fixes with owner-ready details.
05

Retest

Validated closure with documentation you can hand to auditors.
06
Process

A defensible process, start to closure

We continuously optimize our process to ensure you only get results your team can act on.

Scope

Complexity-based scoping with clear effort estimates.
01

Attack Surface Analysis

Attack scenarios mapped to your business risks.
02

Security testing

AI-powered tooling combined with expert-led security testing.
03

Reporting

One report, three audiences: leadership, engineering, auditor.
04

Remediation guidance

Prioritized fixes with owner-ready details.
05

Retest

Validated closure with documentation you can hand to auditors.
06
Process
A defensible process, start to closure
We continuously optimize our process to ensure you only get results your team can act on.

Scope

Complexity-based scoping with clear effort estimates.
01

Attack Surface Analysis

Attack scenarios mapped to your business risks.
02

Security testing

AI-powered tooling combined with expert-led security testing.
03

Reporting

One report, three audiences: leadership, engineering, auditor.
04

Remediation guidance

Prioritized fixes with owner-ready details.
05

Retest

Validated closure with documentation you can hand to auditors.
06
Real world impact

Real applications, real findings.

IT/SaaS
Web Application Security Assessment

Global IT Services Consultancy Conducts Web Application Assessment On 12 Apps

View Details
IT/SaaS
IT/SaaS
Web Application Security Assessment
Fintech
Secure Code Review

Secure Code Review for One of the Largest Online Payments Service Providers

View Details
Fintech
Fintech
Secure Code Review
Testimonials

What web app security teams say about working with us

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Carthic Kameshwaran

Head of Delivery - neoEYED

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Arockiaraj Martin

CISO- Enkash

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Payatu's focus on in-depth defence, quality, and proactive approach to all their services were precisely what our fast-growing publicly listed company needed.
Payatu's Services have helped us in ensuring that not only do we exceed strict compliance standards, but also ensure that security is not just a tick box exercise in our organisation. We have been able to make security an integral part of...

Simran Gambhir

Chief Information Officer - Butn, Sydney

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Payatu delivered a 360-degree penetration testing exercise across our web applications and internal network. Their structured, methodical approach and deep technical understanding were evident throughout the engagement. They didn’t just give us a list of vulnerabilities, they provided actionable insights that helped to improve our security posture. The engagement was constructive.

Sushil Vanve

Director of Engineering - CheckRed

Proof, not Promises

Credentials your auditors trust.
Research depth that attackers won’t anticipate.

Only the Top 1% cybersecurity researchers test your apps at Payatu.
CERT-In empanelled
ISO 17025 accredited
Nullcon and Hardware.io organizers
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OSCP, OSWE, GWAPT & BSCP certified team
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Speakers at Black Hat, DEF CON & OWASP AppSec
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CVEs in major web frameworks & CMS platforms
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Text in bold uppercase reads: 'OUR RESEARCHERS ATTACK YOUR PRODUCTS, APPS, AND INFRASTRUCTURE SO YOU DON'T HAVE TO'.
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What you get

Proof for your engineers. A narrative for your board. Evidence for your customers.

Executive summary

Board-ready risk narrative highlighting business impact, key exposures, and prioritized remediation.

Technical findings with proof of concept

Reproducible evidence for every finding, including CVSS v4.x risk scoring and mapped to OWASP and CWE references.
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Remediation & compliance guidance

Fixes prioritised by business risk and CVSS scoring mechanism, mapped to the security frameworks your auditors test against.

Retest & closure documentation

Validation of implemented fixes and audit-ready evidence for regulators, customers, and internal assurance.
FAQ

Questions Web Application teams ask us

What is Web Security Testing?
Web Security Testing identifies vulnerabilities in web applications that attackers could exploit, helping organizations protect sensitive data and prevent security breaches.
What vulnerabilities are tested during a Web Security Assessment?
Web Security Testing identifies vulnerabilities in web applications that attackers could exploit, helping organizations protect sensitive data and prevent security breaches.
How is Web Security Testing different from a vulnerability scan?
Web Security Testing identifies vulnerabilities in web applications that attackers could exploit, helping organizations protect sensitive data and prevent security breaches.
When should we perform Web Security Testing?
Web Security Testing identifies vulnerabilities in web applications that attackers could exploit, helping organizations protect sensitive data and prevent security breaches.
What do we receive after the Web Security Assessment?
Web Security Testing identifies vulnerabilities in web applications that attackers could exploit, helping organizations protect sensitive data and prevent security breaches.
Can Web Security Testing identify business logic vulnerabilities?
Web Security Testing identifies vulnerabilities in web applications that attackers could exploit, helping organizations protect sensitive data and prevent security breaches.