// THREAT DETECTION AND DATA PRIVACY TERM

Security Breach

A security breach occurs when unauthorized individuals gain access to confidential information, systems, or facilities, often compromising their privacy, accuracy, or availability.

Security Breach — illustration from Wikipedia
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TECHNICAL DEFINITION

A security breach denotes an unauthorized access event where malicious actors illicitly gain entry to protected information systems, networks, data, or physical facilities, leading to a compromise of the CIA triad: Confidentiality, Integrity, and Availability, especially critical within national security and defense infrastructures.

BACKGROUND

Computer security is a subdiscipline within the field of information security. It focuses on protecting computer software, systems, and networks from threats that can lead to unauthorized information disclosure, theft, or damage to hardware, software, or data, as well as to the disruption or misdirection of the services they provide.

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SYNONYMS & ALIASES

  • Data breach
  • Cyber intrusion
  • System compromise
  • Incident
  • Network penetration
  • Information leak
  • Cyber attack

USAGE NOTE

In military and intelligence, a security breach often implies severe consequences, including loss of classified information, operational disruption, or national security risks.

DEVELOPERS

Organizations developing technology related to Security Breach.

  • CrowdStrike

    Provides cloud-native endpoint protection, threat intelligence, and incident response services, focusing on stopping breaches.

  • Palo Alto Networks

    Offers advanced firewalls, cloud security, and security operations platforms designed to prevent and detect sophisticated cyberattacks and breaches.

  • Mandiant (Google Cloud Security)

    Specializes in incident response, breach investigation, and proactive security services, helping organizations prepare for and recover from security breaches.

  • IBM Security

    Develops a broad portfolio of security solutions including SIEM, data security, and security orchestration, automation, and response (SOAR) to help clients detect and respond to breaches.

  • Microsoft Security

    Offers a comprehensive suite of security products and services across identity, endpoint, cloud, and data protection, including advanced threat protection and incident response capabilities to prevent breaches.

  • Splunk

    Provides a leading Security Information and Event Management (SIEM) platform that enables organizations to monitor, analyze, and respond to security incidents and breaches in real-time.

  • SentinelOne

    Delivers AI-powered endpoint security, cloud security, and identity security solutions that autonomously prevent, detect, and respond to cyber threats and breaches across an organization's attack surface.

  • Fortinet

    Offers a wide range of cybersecurity solutions including network security, endpoint security, and SIEM, designed to provide broad, integrated, and automated protection against breaches.

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