Qualysec

SaaS Application Industry Case Study

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South East Asia

HR Payroll Platform

1

Critical Severity Identified

SOC 2

Compliance Achieved

100%

Remediation Rate

Who is the client

A Singapore-Based HR SaaS Startup Securing Payroll & Compliance

A Singapore-based firm operating across Southeast Asia - a lean 10-person startup delivering cost-effective payroll outsourcing and comprehensive HR services through a SaaS web application. Their platform handles sensitive employee data, payroll records, and financial details for multiple enterprise clients.
HR SaaSSoutheast Asia10-Person StartupPayroll PlatformSOC 2 Required

What Was Tested

The submitted asset was one web application - the core SaaS platform used by the client to manage payroll, employee records, and financial data for their enterprise customers. The primary objectives were to ensure the application was fully secure, all client data was protected, and the platform met SOC 2 compliance requirements.

Web Application

Web application security illustration
Reasons for choosing Qualysec

4 Reasons They Trusted Qualysec Over Others

When your platform holds payroll records and financial data for dozens of companies, you need more than a basic security scan.

Finds what automation misses

Human-Led AI Penetration Testing

Qualysec's unique human-led AI powered approach digs deeper than automated tools, finding vulnerabilities that scanners routinely miss through expert-driven surface analysis.

Trusted worldwide

Reputation & Global Reach

A proven track record of securing complex digital ecosystems worldwide. Qualysec's global reputation made them a trusted choice for a firm handling sensitive cross-border payroll data.

Startup-friendly pricing

Budget-Aligned for Startups

Pricing is highly cost-effective with flexible payment structures designed for growing startups - enterprise-grade security without enterprise-grade pricing.

SOC 2 ready documentation

Compliance-Oriented Reporting

Every report and piece of documentation is fully aligned with compliance frameworks. For this client, all deliverables were structured to directly support their SOC 2 audit requirements.

Referred by a Trusted Network

Pricing is highly cost-effective with flexible payment structures designed for growing startups - enterprise-grade security without enterprise-grade pricing.

★★★★★

Peer-verified

Trusted worldwide

Top Findings

Top 5 Significant Findings

The assessment uncovered a mix of critical, high, and medium-risk issues that were prioritized and remediated to protect the platform and its users.

Vertical Privilege Escalation

Critical

An attacker could grant themselves higher privileges by performing kernel-level operations, enabling unauthorized code execution and full administrative access to the platform.

Potential impact: Full admin takeover

Stored Cross-Site Scripting (XSS)

High

Malicious scripts injected by an attacker are permanently stored on the server - in databases or comment fields - and execute in every victim's browser who views the affected content.

Potential impact: Mass session hijacking

XSS Through PDF Injection

High

PDF documents could be injected with malicious scripts that execute in the systems of other users accessing the PDF, creating a silent attack vector through trusted file formats.

Potential impact: Silent malware delivery

Insecure Direct Object References (IDOR)

Medium

The application exposed internal object references (database IDs, filenames) without verifying user authorization - allowing attackers to access other users' payroll and HR records.

Potential impact: Unauthorized data access

Cross-Site Request Forgery (CSRF)

Medium

A logged-in user's browser could be tricked into performing unwanted actions on the platform without their consent - enabling unauthorized transactions or data modifications.

Potential impact: Unauthorized actions

What Could Have Happened Without This Assessment

If these vulnerabilities had gone undetected, the platform would have been exposed to full data breaches, mass account takeovers, and complete loss of client trust - putting the entire business at risk.

The Result & Remediation

Not Just a Report - A Fully Secured Platform

Qualysec went beyond vulnerability discovery. They partnered with the development team to ensure every issue was understood, fixed, and documented.

The Remediation Process

01

Deep Root Cause Analysis

Qualysec didn't just flag vulnerabilities - they investigated the root cause behind every critical finding, understanding exactly how and why each issue existed in the codebase.

02

Developer Collaboration

The security team worked directly alongside the client's development team, helping them understand each vulnerability and providing a clear roadmap to prevent recurrence.

03

SOC 2 Documentation

Qualysec assisted in preparing all required SOC 2 compliance documentation, ensuring every deliverable was structured to meet audit requirements and achieve certification.

The Results Achieved

3-Phase

Retest Passed

SOC 2

Compliance Achieved

Full certification support

0

Open Critical Issues

Fully secured platform

Fast

Turnaround

Efficient collaboration

GET A QUOTE

Ready to Stay Ahead of Attackers?

If You need a Penetration test, Let’s have a Talk. Fill out this form and we will ensure you are secured and hit full compliance without any hurdles. The immediate impact you can expect:

  • Our sales team will reach out instantly

  • We skip the back-and-forth to meet your deadline perfectly

  • We get your testing scheduled immediately without any delay

Total No. Of Vulnerabilities

0+

Total No. Of Vulnerabilities

Years in Business

0+

Years in Business

Assessment Completed

0+

Assessment Completed

Trusted Clients

0+

Trusted Clients

Countries Served

0+

Countries Served