SaaS companies face increasing cybersecurity challenges as they scale, integrate third-party systems, and handle sensitive customer data. This whitepaper from OptiSol explores how Vulnerability Assessment and Penetration Testing (VAPT) can help SaaS providers identify security risks, prevent data breaches, and maintain GDPR, SOC 2, and ISO 27001 compliance. Key threats—like insider attacks, insecure APIs, and weak authentication—are examined alongside strategies for achieving robust cloud security. Learn how OptiSol’s scalable, cost-effective VAPT services safeguard SaaS applications, minimize service downtime, and build long-term customer trust. Whether you’re a startup or enterprise, this guide helps you deliver secure, compliant, and resilient SaaS platforms in today’s evolving cyber threat landscape.