A non-human identity (NHI) is a digital identity used by applications, services, scripts, bots, workloads, and AI agents to authenticate and access systems. It usually proves its identity through secrets such as API keys, OAuth tokens, passwords, SSH keys, or digital certificates.<\/p>\n\n\n\n
Understanding and managing these identities is increasingly important as cloud services, DevOps automation, and AI expand the number of NHIs across corporate environments. In some organizations, NHIs outnumber human identities by as much as 50 to 1. <\/p>\n\n\n\n
Types of non-human identities differ in how they authenticate and what tasks they perform:<\/p>\n\n\n\n
Although all these identities are non-human, they typically have access to production data, customer records, or critical infrastructure, posing unique security risks. <\/p>\n\n\n\n
Non-human identities introduce security challenges because they are often privileged and poorly governed compared to human accounts. In many organizations, NHIs are created for specific projects, integrations, or automation tasks and then retain access with static credentials and broad permissions.<\/p>\n\n\n\n\t\t
Common non-human identity risks<\/p>\n\n\n\t\t\t \n\t\t<\/div>\n\t\n\n\n\t\t
Excessive privileges<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
Service and application accounts may receive broader permissions than their tasks require. If attackers compromise one of these accounts, they can use its legitimate permissions to access your sensitive data and critical systems.<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n\n\n\t\t
Static secrets and credential sprawl<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
API keys, tokens, and passwords may be hardcoded in source code, copied between tools, stored in unprotected files, or left unchanged for long periods.<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n\n\n\t\t
Limited visibility and unclear ownership<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
Organizations may lack a centralized inventory, making it difficult to determine who owns an identity, why it exists, what it can access, and whether it is still needed.<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n\n\n\t\t
Orphaned identities<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
Credentials and accounts can remain active long after an application, integration, employee, or vendor no longer needs access, leaving blind spots in your environment.<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n\n\n\t\t
Insufficient monitoring<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
Security tools designed for user behavior monitoring may overlook machine activity or fail to distinguish legitimate automation from suspicious use.<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n\n\n\t\t
Lateral movement and privilege escalation<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
Once attackers compromise a single over\u2011privileged NHI, they can move laterally across systems, escalate privileges, and exfiltrate your sensitive data.<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n\n\t\t\t \n\t\t<\/div>\n\t\n\n\n
Because non-human identities operate quietly in the background, you may not spot a compromise for a long time.<\/p>\n\n\n\n
A strong non-human identity security program should combine identity discovery, access governance, credential protection, lifecycle management, and continuous monitoring.<\/p>\n\n\n\n\t\t
ILM best practices<\/p>\n\n\n\n\t\t
1<\/p>\n\n\n\n
Discover and inventory every NHI<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
2<\/p>\n\n\n\n
Enforce least privilege and just-in-time access<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
3<\/p>\n\n\n\n
Vault and rotate secrets<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
4<\/p>\n\n\n\n
Assign ownership and manage the full lifecycle<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n\n\n\t\t
5<\/p>\n\n\n\n
Continuously monitor NHI behavior<\/p>\n\n \n\t\t\t\n\t\t<\/div>\n\t\n \n\t\t<\/div>\n\t\n\n\t\t\t \n\t\t<\/div>\n\t\n\n\n
Identify all service accounts, application accounts, workload identities, keys, tokens, certificates, scripts, and bots across your on-premises systems, cloud platforms, SaaS applications, and CI\/CD environments.<\/p>\n\n\n\n
Record each identity\u2019s purpose, permissions, dependencies, authentication method, and owner. A complete inventory helps you identify unmanaged or unnecessary identities before attackers exploit them.<\/p>\n\n\n\n
Give each NHI only the permissions required for its specific function. Remove unnecessary access to achieve zero standing privileges<\/a> and, where technically possible, use the just-in-time access<\/a> principle. These approaches limit how long elevated access remains available and reduce the potential damage caused by compromised credentials.<\/p>\n\n\n\n Store passwords, keys, tokens, and other sensitive credentials in an encrypted vault rather than hardcoding them in scripts or application code.<\/p>\n\n\n\n Automate credential rotation, use short-lived secrets where possible, and revoke exposed or unused credentials immediately. Regular rotation reduces the period during which a stolen secret remains useful to an attacker.<\/p>\n\n\n\n Designate a human owner for every non-human identity. The owner should be responsible for reviewing its permissions, credential security, business purpose, dependencies, and continued necessity.<\/p>\n\n\n\n Establish identity lifecycle management<\/a> procedures covering secure provisioning, access reviews, permission changes, credential rotation, and offboarding. When an application, integration, workload, or automation process is no longer needed, its accounts and credentials should be revoked immediately.<\/p>\n\n\n\n Track authentication events, access requests, privilege changes, resource usage, and unusual activity to identify and mitigate threats early. For example, if a backup service suddenly accesses customer records or an API token is connecting from an unusual location, these deviations may indicate malicious activity and should trigger immediate investigation and response. <\/p>\n\n\n\n Syteca<\/strong><\/a> is aprivileged access management<\/a> (PAM) platform with identity threat detection and response<\/a> (ITDR) capabilities that can help you secure a subset of NHIs, particularly service and application accounts. Syteca enables you to discover privileged and service accounts<\/a>, securely vault and rotate their credentials<\/a>, enforce least privilege<\/a>, record sessions<\/a>, send alerts with real-time response<\/a>, and more.<\/p>\n\n\n\n\t\t Want to try Syteca? Request access See why clients from 70+ countries already use Syteca.<\/p>\n\n\n\n\t\t\t\t\n\t\t3. Vault and rotate secrets<\/h3>\n\n\n\n
4. Assign ownership and manage the full lifecycle<\/h3>\n\n\n\n
5. Continuously monitor NHI behavior<\/h3>\n\n\n\n
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