{"id":16158,"date":"2026-06-16T04:10:33","date_gmt":"2026-06-16T08:10:33","guid":{"rendered":"https:\/\/www.netwitness.com\/?post_type=glossary&p=16158"},"modified":"2026-06-24T10:22:24","modified_gmt":"2026-06-24T14:22:24","slug":"identity-security","status":"publish","type":"glossary","link":"https:\/\/www.netwitness.com\/ja\/cyber-glossary\/identity-security\/","title":{"rendered":"Identity Security"},"content":{"rendered":"\t\t
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What is Identity Security?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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Identity Security is the practice of protecting digital identities, access privileges, credentials, and user activity across an organization\u2019s systems, applications, cloud environments, and data. It ensures that every identity\u2014whether human, machine, workforce, customer, privileged, or third-party\u2014is verified, granted appropriate access, monitored continuously, and remediated quickly when risk is detected.<\/span>\u00a0<\/span><\/p>

In modern cybersecurity, attackers often do not \u201cbreak in\u201d through the network perimeter. They log in using stolen credentials, compromised accounts, misused privileges, or weak access controls. Identity Security helps organizations prevent identity theft, reduce account takeover risk, enforce Least Privilege Access, and strengthen secure user access across hybrid, cloud, and enterprise environments.<\/span><\/p>

Identity Security is a cybersecurity discipline focused on securing digital identities and the permissions connected to them.\u00a0It combines identity and access management, IAM, privileged access management, Identity Governance, Identity Lifecycle Management, Identity Detection and Response (ITDR)<\/a>, Credential Protection, Identity Verification, and continuous risk monitoring.<\/span>\u00a0<\/span><\/p>

A digital identity may\u00a0represent\u00a0a person, application, device, workload, API, service account, or automated process. Each identity has\u00a0access\u00a0rights that\u00a0determine\u00a0what it can see, use,\u00a0modify, or administer. Identity Security\u00a0ensures\u00a0those rights are\u00a0appropriate, verified, and continuously\u00a0monitored.<\/span>\u00a0<\/span><\/p>

Unlike traditional security models that relied heavily on network boundaries, Identity-Based Security treats identity as a core security control. This is especially important in cloud environments, remote workforces, SaaS applications, and distributed enterprise systems where users and workloads access resources from many locations and devices.<\/span>\u00a0<\/span><\/p>

Identity Security helps answer key questions such as:<\/span>\u00a0<\/span><\/p>