Overview of IT Security
IT security is a cybersecurity strategy that prevents unauthorized access to organizational assets such as computers, networks, and data. It maintains the integrity and confidentiality of sensitive information while blocking access to hackers.
Key Aspects of Information Security
- Data Classification: Categorizes data based on vulnerability and potential impact if disclosed without authorization.
- Network Security: Involves securing networks.
- Cloud Security: Protects cloud infrastructure and data.
Differences Between Cybersecurity and Information Security
While similar, there are differences between cybersecurity and information security. Cybersecurity protects digital data from internet attacks, while information security protects physical and electronic data, covering compliance.
Information Security Roles
The key information security roles are: CISO, CSO, CTO, and CRO. They ensure enterprise information security strategy protecting information assets.
Functions of Security Network Protocols
- Encryption: Protects data and secure areas by requiring a secret key or password for access.
Control Functions of Security
Security controls are preventive measures to avoid, detect, counter, or minimize security risks to physical property, information, computer systems, or other assets.
IT Security Components
Information security, often abbreviated as InfoSec, is a set of security procedures and tools that protect sensitive enterprise information from misuse, unauthorized access, disruption, or destruction. InfoSec includes physical and environmental security, access control, and cybersecurity.