With the increase in phishing attacks targeting customers, implementing a multi-layered security strategy is essential. This includes deploying advanced email filtering solutions that use machine learning algorithms to detect and block phishing emails before they reach users.

Furthermore, multi-factor authentication (MFA) should be mandated for all customer and employee access to sensitive systems to prevent unauthorized access. Regular security audits and penetration testing can identify potential vulnerabilities, while encryption of customer data both in transit and at rest ensures confidentiality. Investing in a Security Information and Event Management (SIEM) system can provide real-time analysis and alerting of security threats, improving the institution's response time to potential breaches.

Regular and comprehensive cyber security training for all staff is critical. Training programs should include the latest phishing tactics and the importance of security best practices, such as not sharing passwords and recognizing social engineering attempts.

Simulated phishing exercises can help reinforce this training by giving employees practical experience in identifying suspicious emails. Empowering employees to become the first line of defense will significantly reduce the risk of successful phishing attacks.

Develop a cybersecurity strategy that aligns with the overall business objectives of the banking institution. This should include not only protective measures but also a clear incident response plan for dealing with successful attacks.

The strategy should be regularly reviewed and updated to adapt to the evolving cyber threat landscape. This enables the institution to stay ahead of potential threats and ensures that cybersecurity measures support the business's growth and adaptation in the digital age.

Invest in advanced IT solutions such as threat intelligence platforms that can provide up-to-date information on emerging phishing techniques and known threat actors. Furthermore, consider adopting technologies such as blockchain for secure, tamper-resistant transaction logging, which can enhance the integrity of customer data.

The IT architecture should be designed with security in mind, incorporating principles like least privilege and network segmentation to limit the potential impact of a breach.

Adopt a robust risk management framework that includes regular risk assessments to identify and evaluate new threats. This will help prioritize security investments and ensure that the bank's cybersecurity measures are commensurate with the potential impact of different types of cyber threats.

Additionally, cybersecurity insurance can provide a financial safety net in the event of a breach, mitigating the impact on the bank's finances.

Use data analytics to monitor network traffic patterns and detect anomalies that could indicate a phishing attack in progress or a breach. Big data tools can process vast quantities of logs and events to identify suspicious behavior, while artificial intelligence can learn from previous incidents to improve detection over time..

Ensure proper governance around cybersecurity initiatives by establishing clear policies, procedures, and accountability. The bank’s leadership must support cybersecurity efforts, and clear lines of communication should be established for reporting and addressing security incidents.

Regulatory compliance with standards such as ISO 27001 and adherence to frameworks like NIST can guide the governance structure, providing a foundation for a resilient cybersecurity program.

Develop a comprehensive business continuity plan that includes scenarios for cyberattacks. This plan should outline the steps to take in the event of a major cybersecurity incident, ensuring that critical operations can be maintained with minimal downtime.

The plan must be tested regularly through tabletop exercises and drills to ensure its effectiveness and the readiness of all stakeholders.

Stay abreast of regulatory changes and ensure compliance with all cyber regulations. This includes the European Union's General Data Protection Regulation (GDPR), the New York State Department of Financial Services' cybersecurity requirements, and other region-specific regulations that affect how customer data is handled and protected against cyber threats.

Compliance helps not only in avoiding legal penalties but also in building customer trust.

Implement a structured incident management process that allows for quick detection, response, and recovery from cybersecurity incidents. This process should involve clear communication channels both within the organization and with external stakeholders such as regulators and customers.

Post-incident analysis is crucial for learning and improving the cybersecurity posture of the institution.