Travelers search for the best deals on flights, hotels and vacation packages, which makes price and inventory information the most important asset for Online Travel Agencies (OTAs). As the online travel market gets more competitive, the players in this market continue to invest in the battle against the competition. Millions of users expect the leading OTA to provide search results quickly across its website and mobile application. In addition, travelers expect the leading OTA to safeguard their personal data. However, bot attacks like account (ATO) attacks resulted in fraudulent bookings and loss of user confidence. These attacks also added a heavy performance load on the website. The costs associated with compromised user accounts and the negative impact on brand reputation was significant. Unauthorized web scraping increased the stress on the web infrastructure, while increasing the global distribution system (GDS) and thirdparty service fees. Ultimately, the bot attacks were hurting the look-to-book ratio, slowing the website and skewing site analytics