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Cybersecurity
Terms Starting with G

Understanding security terminology helps you make informed decisions about protecting your organization. This glossary defines essential security terms for managed services and enterprise protection.

G

Gateway
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A network device connecting two different networks and translating between their protocols, addressing schemes, or security policies. Gateways enforce traffic rules at network boundaries and often serve as the entry point for branch office connectivity.

GDPR
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The European Union's General Data Protection Regulation governing how organizations collect, process, and protect personal data of EU residents. GDPR mandates breach notifications within 72 hours and imposes significant penalties for non-compliance.

Generative AI security
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Practices for protecting generative AI systems and the organizations that use them from threats like prompt injection, data leakage, and model theft. Generative AI security also covers detecting AI-generated content used in phishing, deepfakes, and social engineering.

Geo-fencing
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Access controls that restrict or allow network and application access based on the geographic location of users or devices. Geo-fencing helps block traffic from countries with no business relationship while flagging unusual login locations for review.

GitOps
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A software deployment methodology that uses Git repositories as the single source of truth for infrastructure and application configurations. GitOps automates deployment pipelines through version-controlled changes, improving consistency and audit trails.

GLBA (Gramm-Leach-Bliley Act)
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United States legislation requiring financial institutions to protect customer information and explain their data-sharing practices. GLBA mandates safeguards covering access control, encryption, vendor management, and incident response for financial data.

Grayware
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Software that is not strictly malicious but exhibits unwanted behavior such as aggressive advertising, system tracking, or resource consumption. Grayware includes adware, browser toolbars, and bundled utilities that disrupt user experience and may carry security risks.

GRC (Governance, Risk, and Compliance)
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An integrated approach to managing corporate governance, risk identification, and regulatory compliance through coordinated processes and tools. GRC programs align security investments with business priorities while maintaining auditable evidence of controls.

Guest network
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A separate wireless network that visitors use to access the internet without reaching internal corporate systems. Guest networks isolate untrusted devices through VLAN separation, contained DHCP scopes, and restrictive firewall rules.

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