Discuss a real-world case study where a CSRF attack had significant consequences.

The British Airways hack of 2018 serves as a prominent example of a real-world CSRF attack with significant consequences.  

The Attack : Hackers exploited a vulnerability on the British Airways website that allowed them to steal customer data, including credit card details and travel information, from approximately 380,000 customers.  

The Impact :
* Financial Loss : The incident resulted in substantial financial losses for British Airways due to the costs of compensating affected customers, legal fees, and damage to their reputation.  
* Reputational Damage : The breach severely damaged the airline's reputation, eroding customer trust and impacting future bookings.
* Regulatory Fines : British Airways faced significant fines from the UK's data protection authority (ICO) for the data breach.  

How it Could Have Been Prevented :
* Stronger CSRF Protection : Implementing robust CSRF protection measures, such as using CSRF tokens, could have prevented the attackers from exploiting the vulnerability.  
* Regular Security Audits : Regular security assessments and penetration testing would have likely identified the vulnerability before it could be exploited.

This incident highlights the critical importance of implementing strong security measures to protect against CSRF attacks and the severe consequences that can arise from neglecting such precautions.  

Disclaimer : This information is for educational purposes only and should not be considered professional security advice.

Note : Due to the sensitive nature of cybersecurity incidents, detailed information about specific attacks is often limited. This case study provides a general overview based on publicly available information.