Explain the concept of Gatekeeper and XProtect in macOS, and how they contribute to system security by preventing the execution of malicious software.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Explain the concept of Gatekeeper and XProtect in macOS, and how they contribute to system security by preventing the execution of malicious software.

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In the ever-evolving landscape of cybersecurity, macOS deploys a strong duo—Gatekeeper and XProtect—to protect its users. These two defenders play unique but complementary functions in reinforcing the system against the dangers of harmful software. Gatekeeper acts as a vigilant gatekeeper, regulating program admission into the macOS environment, whereas XProtect acts as a silent sentinel, armed with knowledge to recognize and fight known malware. They provide a strong defense mechanism when combined, considerably contributing to macOS's security architecture.

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