Siddhartha Choudhury from Booking.com: Fighting online fraud with artificial intelligence

Publié le 11 September 2025 à 09h16
modifié le 11 September 2025 à 09h16

The rise of digital threats challenges the integrity of online transactions. The fight against fraud requires innovation and vigilance. Siddhartha Choudhury, Senior Product Manager at Booking.com, positions himself as a key figure in facing this challenge. Artificial intelligence proves to be an essential lever for protecting users and ensuring a secure environment. *Anticipating fraud* and reinforcing consumer trust remains a strategic issue. Sophisticated technologies, combined with a rigorous ethic, radically transform online security.

Siddhartha Choudhury and Artificial Intelligence in Service of Security

Siddhartha Choudhury, Senior Product Manager at Booking.com, recently outlined the challenges of combating online fraud. Each day, the platform manages a vast amount of sensitive data, including financial and personal information. The security of this data remains a top priority to maintain user trust.

The Challenges of Online Fraud

The complex nature of online fraud goes beyond the simple use of a stolen credit card. Threats include practices such as writing fake hotel reviews, marketing scams, as well as phishing attacks and account takeover attempts. Choudhury emphasizes that artificial intelligence (AI) is an essential asset for detecting and neutralizing these threats.

A Multidimensional Approach with AI

Choudhury explains that Booking.com utilizes AI for various security-focused use cases to reduce fraud risks. By processing petabytes of data, the company does not employ just one unique magic tool, but prefers to combine internal solutions and third-party technologies. This synergy ensures effective detection of fraudulent behaviors.

Technologies and Tools

To face these challenges, a variety of tools are used. Choudhury specified that integrating specific proprietary machine learning solutions allows for proactive identification of suspicious behaviors. Cloud systems enhance responsiveness while facilitating access to advanced tools.

Organizational Challenges and Costs

Coordinating multiple tools, both internal and external, presents a major organizational challenge. Choudhury discusses the constant dilemma between performance and costs. The question posed: Should you invest more to improve performance, or should cost efficiency take priority? The increasing sophistication of cyberattacks necessitates constant vigilance, making this decision-making delicate.

AI in Preventive Attack

Did you know that the best way to protect oneself is to anticipate risks? Booking.com adopts this philosophy by using AI to detect anomalies before they escalate into serious problems. Choudhury points out that many AI assistants work in tandem to enhance the efficiency of security analysts.

Collaboration between Human Experts and AI

Human experts now benefit from digital assistance, capable of analyzing vast datasets in record time. This allows analysts to focus on the most significant threats while ensuring that AI operates with relevance and precision.

Ethics and Responsibility

Managing sensitive decisions through AI demands particular attention to ethics. Choudhury ensures that measures are in place to avoid biases. Teams actively check algorithms to ensure that no group or individual is unfairly targeted.

Human Oversight and Transparency

For every critical decision, human contribution remains indispensable. An expert almost always finalizes major decisions, thus eliminating false positives. The transparency of AI is another cornerstone of this approach, allowing for an understanding of the choices made by security algorithms.

Next Steps in Innovation

Choudhury senses that the future of AI relies less on creating new solutions than on improving the integrity of existing systems. He anticipates an ecosystem where all security components will communicate fluidly and collaboratively. Innovation and reliability will be the predominant axes of Booking.com’s strategy.

For users, the introduction of AI provides increased peace of mind, reducing the risks of online fraud when booking stays. Discussions about these developments will continue at the AI & Big Data Expo Europe, where Choudhury will speak to share his insights.

Furthermore, for more news on artificial intelligence and its applications in various fields, consider the impact of new technologies on diverse topics. Questions about AI ethics are regularly raised, as highlighted in this article about the confrontation between Musk and Altman, and other current issues such as the study of AI impacts in education, challenges related to plagiarism, or the innovation brought by Nvidia.

Common FAQs about Siddhartha Choudhury from Booking.com: Fighting Online Fraud with Artificial Intelligence

How does Booking.com use artificial intelligence to fight online fraud?
Booking.com employs artificial intelligence to analyze huge volumes of data, identify suspicious behaviors, and counter threats such as payment fraud, fake hotel reviews, and phishing attacks.

What types of data does Booking.com collect to prevent online fraud?
The platform collects a variety of data, including events generated by its applications, messages, emails, and other interactions to detect and counter fraudulent behaviors.

What are the major challenges faced by Booking.com in its fight against fraud?
One of the main challenges is the need to integrate several internal and external tools to ensure an effective response to increasingly sophisticated threats.

What measures are taken to ensure the ethics of AI use at Booking.com?
Booking.com is committed to regular checks of its AI systems to detect any potential biases, ensure adequate human oversight during important decisions, and guarantee transparency in processes.

What benefits does the use of AI bring to security analysts at Booking.com?
AI enables security analysts to process significant amounts of information more quickly and identify critical threats, providing them with valuable support for informed decisions.

How does AI help anticipate online attacks?
By adopting a proactive approach, Booking.com uses AI to detect anomalies and prevent fraud incidents before they occur, thereby enhancing the security of the platform.

Can Booking.com users be assured of the protection of their personal data?
Yes, Booking.com is committed to adhering to high standards for data protection and privacy, ensuring that all measures taken comply with current legislation.

Will Siddhartha Choudhury participate in future events to share knowledge on online security?
Yes, Siddhartha Choudhury and his team will share information about their security strategies at events such as the AI & Big Data Expo Europe in Amsterdam.

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