Security & Compliance

How We Audited a High-Traffic Ruby Enterprise Stack on DigitalOcean and Mitigated Broken Object Level Authorization (BOLA) in API gateway endpoints

Auditing the DigitalOcean Stack: Initial Reconnaissance and Vulnerability Landscape Our engagement began with a deep dive into a high-traffic Ruby on Rails enterprise application hosted on DigitalOcean. The primary objective was to identify and remediate Broken Object Level Authorization (BOLA) vulnerabilities within the API gateway endpoints. This wasn’t a theoretical exercise; we were dealing with […]

Preparing for PCI-DSS Compliance: Security Hardening in PHP and Google Cloud Infrastructures

PHP Application Security Hardening for PCI-DSS Achieving and maintaining PCI-DSS compliance requires a rigorous approach to application security, particularly for systems handling cardholder data. For PHP applications, this translates to meticulous code review, secure configuration, and robust input validation. We’ll focus on critical areas: preventing common vulnerabilities, secure session management, and data encryption. Preventing Injection […]

Code Auditing Guidelines: Detecting and Fixing Remote Code Execution (RCE) via insecure file uploads in Your WordPress Monolith

Understanding the Threat: Insecure File Uploads in WordPress Remote Code Execution (RCE) via insecure file uploads remains a persistent and critical vulnerability in WordPress applications, especially within monolithic architectures where a single codebase handles multiple functionalities. Attackers exploit this by uploading malicious scripts disguised as legitimate files, which are then executed on the server. This […]

How We Audited a High-Traffic Perl Enterprise Stack on Google Cloud and Mitigated untrusted command injection in system utility scripts

Initial Assessment: Identifying the Attack Surface Our engagement began with a deep dive into a high-traffic Perl enterprise stack hosted on Google Cloud Platform (GCP). The primary objective was to identify and mitigate security vulnerabilities, with a specific focus on untrusted command injection within system utility scripts. The stack comprised several microservices written in Perl, […]

How We Audited a High-Traffic Magento 2 Enterprise Stack on DigitalOcean and Mitigated Remote Code Execution (RCE) via insecure file uploads

Initial Reconnaissance and Vulnerability Discovery Our engagement began with a deep dive into the existing infrastructure and application layer of a high-traffic Magento 2 Enterprise e-commerce platform hosted on DigitalOcean. The primary objective was to identify potential security weaknesses, with a particular focus on Remote Code Execution (RCE) vectors. The initial reconnaissance phase involved a […]

How We Audited a High-Traffic Perl Enterprise Stack on DigitalOcean and Mitigated XML External Entity (XXE) injection in old SOAP integrations

Initial Assessment: Uncovering the Attack Surface Our engagement began with a deep dive into a legacy Perl enterprise stack hosted on DigitalOcean. The primary concern was a potential vulnerability in older SOAP integrations, a common vector for XML External Entity (XXE) injection. The stack, while functional, hadn’t undergone a comprehensive security audit in years, leaving […]

How We Audited a High-Traffic PHP Enterprise Stack on AWS and Mitigated session hijacking through unencrypted session files storage

Unencrypted Session Files: A Silent Threat in High-Traffic PHP Stacks During a recent comprehensive security audit of a high-traffic enterprise PHP application hosted on AWS, we uncovered a critical vulnerability: unencrypted session files stored on disk. While seemingly a minor oversight, this configuration presented a significant risk of session hijacking, especially in environments where file […]

Mitigating OWASP Top 10 Risks: Finding and Patching insecure memory deallocation leading to information disclosure in C

Understanding Use-After-Free Vulnerabilities in C One of the most insidious memory corruption vulnerabilities, particularly relevant to OWASP Top 10’s “Vulnerable and Outdated Components” and “Identification and Authentication Failures” (when credentials or session tokens are leaked), is the use-after-free (UAF) bug. In C, this occurs when a program continues to use a pointer to a memory […]

An Auditor’s Checklist for Securing Laravel Backends on DigitalOcean

DigitalOcean Droplet Hardening for Laravel Applications Securing a Laravel backend deployed on DigitalOcean begins with a robustly hardened Droplet. This section outlines essential steps for minimizing the attack surface and establishing a secure foundation. SSH Access Control Restrict SSH access to authorized users and implement key-based authentication. Disabling password authentication is a critical first step. […]

How We Audited a High-Traffic Shopify Enterprise Stack on Linode and Mitigated Cross-Site Scripting (XSS) in custom themes

Auditing the Linode Enterprise Stack Our engagement began with a deep dive into a high-traffic Shopify enterprise deployment hosted on Linode. The primary objective was to identify and remediate critical security vulnerabilities, with a specific focus on Cross-Site Scripting (XSS) within custom theme code. This wasn’t a typical pentest; it required understanding the interplay between […]

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