# computer security

> protection of computer systems and networks from theft, damage, misuse or data leak

**Wikidata**: [Q3510521](https://www.wikidata.org/wiki/Q3510521)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Computer_security)  
**Source**: https://4ort.xyz/entity/computer-security

## Summary
Computer security is the protection of computer systems and networks from theft, damage, misuse, or data leaks. It encompasses a wide range of practices, including information security, network security, and cybersecurity, to safeguard digital assets and prevent unauthorized access.

## Key Facts
- Part of the broader field of **information security**, which focuses on mitigating information risks.
- Includes specialized subfields such as **network security**, **internet security**, and **mobile security**.
- Involves **computer security models**, including **capability-based security** and **provable security**, to enforce policies.
- Related to **cyber resilience**, which ensures continuous delivery of intended outcomes despite cyber threats.
- Supported by **Group-IB**, a global cybersecurity company with operations in Singapore, the Netherlands, and the UAE.
- Includes **hardware security** measures to protect against supply chain vulnerabilities.
- Often involves **key expiration** to manage encryption keys effectively.
- Linked to **cyber intelligence**, a subfield of intelligence services focused on cyber threats.

## FAQs
### Q: What is the primary goal of computer security?
A: The primary goal of computer security is to protect computer systems and networks from theft, damage, misuse, or data leaks.

### Q: What are some key subfields of computer security?
A: Key subfields include network security, internet security, mobile security, and hardware security.

### Q: How does Group-IB contribute to computer security?
A: Group-IB is a global cybersecurity company that provides services such as threat intelligence, fraud protection, and incident response.

### Q: What is cyber resilience, and why is it important?
A: Cyber resilience refers to the ability to continuously deliver intended outcomes despite adverse cyber events, ensuring business continuity.

### Q: What are some common security models in computer security?
A: Common security models include capability-based security and provable security, which help enforce security policies.

## Why It Matters
Computer security is essential in today’s digital landscape, where cyber threats are increasingly sophisticated. It protects sensitive data, ensures business continuity, and safeguards critical infrastructure. Without computer security, organizations and individuals would be vulnerable to data breaches, financial losses, and reputational damage. The field plays a crucial role in maintaining trust in digital systems and enabling secure transactions and communications. As cyber threats evolve, computer security remains a critical area of focus for governments, businesses, and individuals alike.

## Notable For
- Being a core component of **information security**, which is vital for protecting digital assets.
- Including specialized subfields like **network security** and **mobile security**, addressing specific threats.
- Leveraging **Group-IB**, a leading cybersecurity company, to provide advanced threat detection and response.
- Utilizing **computer security models** to enforce robust security policies.
- Focusing on **cyber resilience** to ensure business continuity despite cyber threats.

## Body
### Overview
Computer security is a multifaceted discipline aimed at protecting computer systems and networks from unauthorized access, misuse, and data leaks. It encompasses a wide range of practices, including information security, network security, and cybersecurity, to safeguard digital assets and prevent cyber threats.

### Subfields and Specializations
Computer security includes several specialized subfields:
- **Network security** focuses on policies and practices to prevent unauthorized access to computer networks.
- **Internet security** addresses threats specific to the internet, including browser security and web-based vulnerabilities.
- **Mobile security** safeguards mobile devices against software vulnerabilities and security attacks.
- **Hardware security** involves measures to protect hardware from supply chain vulnerabilities and ensure secure key storage.

### Security Models and Techniques
Computer security relies on various models and techniques to enforce security policies:
- **Capability-based security** is a concept used to design secure computing systems.
- **Provable security** is a method to ensure the security of cryptographic systems.
- **Key expiration** is a practice to manage encryption keys effectively.

### Industry and Organizations
- **Group-IB** is a global cybersecurity company that provides services such as threat intelligence, fraud protection, and incident response.
- **CERT-GIB** is a Computer Emergency Response Team operated by Group-IB, established in 2011 in Singapore.

### Related Concepts
- **Cyber resilience** refers to the ability to continuously deliver intended outcomes despite adverse cyber events.
- **Cyber intelligence** is a subfield of intelligence services focused on cyber threats.

### Applications and Impact
Computer security plays a crucial role in protecting sensitive data, ensuring business continuity, and maintaining trust in digital systems. It is essential for organizations and individuals in today’s digital landscape, where cyber threats are increasingly sophisticated.

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## References

1. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=53276)
2. Integrated Authority File
3. BBC Things
4. YSO-Wikidata mapping project
5. [Computer Security - IT security news, articles and tools](https://old.reddit.com/r/ComputerSecurity/)
6. [Source](https://www.abs.gov.au/AUSSTATS/abs@.nsf/DetailsPage/1297.02008?OpenDocument)
7. National Library of Israel
8. KBpedia
9. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)
10. Wikibase TDKIV