Detecting and preventing phishing attacks within an organization requires a combination of technological solutions and employee awareness. Here are the most effective strategies:

1. **Security Awareness Training:** Regularly train employees to recognize phishing emails, suspicious links, and social engineering tactics. Simulated phishing tests can help reinforce this knowledge.

2. **Email Filtering:** Implement advanced email filtering solutions that detect and block phishing emails before they reach employees’ inboxes. These tools can analyze email content, attachments, and URLs for malicious intent.

3. **Multi-Factor Authentication (MFA):** Require MFA for accessing sensitive systems and accounts. Even if an attacker obtains login credentials, MFA adds an extra layer of security that can prevent unauthorized access.

4. **Endpoint Protection:** Deploy endpoint protection software that can detect and block malicious activities on employee devices. This includes antivirus, anti-malware, and intrusion detection systems.

5. **Threat Intelligence:** Use threat intelligence services to stay updated on the latest phishing tactics and threats targeting your industry. This allows for proactive measures to be taken against emerging threats.

6. **Incident Response Plan:** Develop and regularly update an incident response plan that includes steps for responding to a phishing attack. Quick action can limit the damage if an attack occurs.

By combining these strategies, organizations can effectively detect and prevent phishing attacks, safeguarding their sensitive information and maintaining security.