In the ever-changing landscape of cybersecurity, organizations rely on penetration testing to assess the security of their digital infrastructure. This practice involves experts simulating real-world cyber attacks to identify vulnerabilities before malicious actors can exploit them. Over time, various methodologies have emerged to conduct penetration testing. Initially, experts performed traditional assessments, meticulously probing for weaknesses. Subsequently, bug bounty programs gained popularity, incentivizing individuals to discover and report vulnerabilities. Now, Penetration Testing as a Service (PTaaS) has emerged as a novel approach, offering continuous security assessments through subscription-based models. In this article, we’ll delve into these diverse penetration testing methodologies, examining their strengths and limitations. By understanding those 3 different approaches, organizations can make informed decisions to fortify their defenses against evolving cyber threats.