Cybersecurity, short for "cybersecurity," refers to the practice of protecting computer systems, networks, programs, and data from digital attacks, damage, unauthorized access, and theft. It encompasses a wide range of technologies, processes, and measures designed to safeguard information and systems from cyber threats.

Key elements of cybersecurity include:

1. **Network Security:** Focuses on protecting the integrity and confidentiality of computer networks, including the hardware, software, and data that they contain.

2. **Information Security:** Involves safeguarding data and information from unauthorized access, disclosure, alteration, and destruction.

3. **Endpoint Security:** Focuses on protecting individual devices (such as computers, smartphones, and tablets) from cyber threats, including malware and other malicious software.

4. **Application Security:** Involves securing software applications from security threats throughout their lifecycle, from development to deployment.

5. **Identity and Access Management (IAM):** Encompasses the policies and technologies used to ensure that only authorized individuals or systems have access to specific resources.

6. **Incident Response:** Refers to the processes and actions taken to investigate, contain, and recover from a cybersecurity incident or breach.

7. **Security Awareness Training:** Involves educating users and organizations about the importance of cybersecurity, best practices, and how to recognize and avoid potential threats.

8. **Encryption:** The process of converting information into a code to prevent unauthorized access. It is commonly used to protect data both in transit and at rest.

9. **Firewalls:** Hardware or software devices that monitor and control incoming and outgoing network traffic based on predetermined security rules.

10. **Vulnerability Management:** The process of identifying, prioritizing, and mitigating vulnerabilities in systems and software to prevent exploitation by attackers.

With the increasing reliance on digital technology, cybersecurity has become a critical aspect of protecting sensitive information, privacy, and the overall functionality of organizations and individuals. The field is dynamic and constantly evolving as new threats emerge and technologies advance.