Phishing-as-a-Service (PhaaS) is a criminal business model that sells ready-made phishing capability instead of requiring attackers to build it themselves. A typical package may include fraudulent login pages, email templates, hosting, domain setup, credential collection, and automation tools, often offered by subscription or rental.
This matters because it lowers the skill and cost needed to run large-scale fraud. Attackers can launch campaigns faster, reuse kits across victims, and swap templates to evade filters. In real attacks, PhaaS enables credential theft, account takeover, and impersonation fraud by making scams easy to customize for banks, cloud services, or executives. Defenders respond with phishing-resistant authentication, domain monitoring, message filtering, and out-of-band verification for sensitive requests. The key risk is scale: when phishing is packaged like software, more criminals can operate more efficiently with less expertise.