The cybersecurity niche encompasses the field of protecting computer systems and networks from unauthorized access, use, disclosure, disruption, modification, or destruction.
Here’s a breakdown:
Key Areas:
Threat Detection & Response: Identifying, analyzing, and responding to cyber threats like malware, phishing, and ransomware attacks.  
Network Security: Protecting computer networks from unauthorized access and attacks, including firewalls, intrusion detection systems, and vulnerability scanning.  
Data Security: Ensuring the confidentiality, integrity, and availability of sensitive data, such as customer information, financial records, and intellectual property.  
Application Security: Securing software applications from vulnerabilities that could be exploited by attackers.  
Cloud Security: Protecting data and applications stored and processed in cloud environments.  
Identity and Access Management (IAM): Controlling and managing user access to systems and data.  
Compliance and Risk Management: Ensuring compliance with relevant security regulations and managing cybersecurity risks.
Initials: The cybersecurity niche may require an initial investment in certifications or training programs to build expertise and credibility in the field.