Security & Compliance

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C One of the most insidious memory corruption vulnerabilities, particularly relevant to OWASP Top 10’s “Vulnerable and Outdated Components” and “Identification and Authentication Failures” (when credentials or session tokens are leaked), is the use-after-free (UAF) bug.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 […]

An Auditor’s Checklist for Securing Python Backends on Google Cloud

IAM Policy Granularity and Least Privilege A fundamental tenet of secure cloud deployments is the principle of least privilege. For Python backends running on Google Cloud, this translates to meticulously crafting Identity and Access Management (IAM) policies that grant only the necessary permissions to service accounts and user roles. Overly permissive roles are a common […]

An Auditor’s Checklist for Securing Python Backends on OVH

Environment Hardening: OVH Instance Configuration Securing a Python backend on OVH begins with a hardened instance. This involves minimizing the attack surface by disabling unnecessary services, configuring a strict firewall, and ensuring all system packages are up-to-date. For OVH Public Cloud instances, this typically means starting with a clean OS image (e.g., Ubuntu LTS) and […]

Preparing for PCI-DSS Compliance: Security Hardening in Perl and AWS Infrastructures

Securing Perl Applications for PCI-DSS Achieving Payment Card Industry Data Security Standard (PCI-DSS) compliance requires a rigorous approach to application security, especially when dealing with sensitive cardholder data. For legacy systems or those still leveraging Perl, this means meticulous code review, input validation, and secure library usage. We’ll focus on common pitfalls and best practices […]

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