What is Identity Security?

Make identity security a key component of your cyber security strategy. Manage users, roles, and entitlements. Find out about the best identity threat detection and response solutions.

Identity security is the practice of securing all identities used in an organization. it uses a combination tools, technologies, and workflows, to ascertain by third-party vendors, devices, e admins, remote workers. identity maps out attack paths company's most valuable assets. builds foundation for privilege access management can secure both machine human identities.

Why Is Identity Security Critical in 2025?

Attackers can have a multitude of reasons for targeting identities within your organization. They can be motivated to impersonate your users, gain unauthorized access to higher stratas on your networks, or rapidly gain access to excessive cloud entitlements present. Attackers recognize new threat vectors, embedded DevOps and application secrets, and also want to cause identity-related breaches to harm organizations and cause reputational damages.

Identity security is important because over 79% of businesses have experienced these breaches in the last 2 years. The SolarWinds supply chain attack also compromised identities and manipulated privileged access.

GDPR, NIST, and SOC 2 are key drivers of identity security for modern organizations. Many companies need to showcase a strong compliance posture to their clients. SOC 2 can validate your data controls and ensure the integrity, availability, confidentiality, and privacy of sensitive information.

How Does Identity Security Work?

Identity security works in multiple layers. It keeps identities safe and attackers out of your organization. Here is how it works:

Authentication

Identity security enforces MFA which adds an extra layer of authentication. It requires users to prove their identities in various ways. This can be in the form of one-time codes, passwords, and time-sensitive logins.

Authorization

Authorization controls what a user can access once they log in. It also determines their level of access. The principle of least privilege access and role-based access control (RBAC) will let users access what they need. It will reduce unwanted exposures to sensitive data.

Continuous Verification

Continuous verification can take the form of continuous logging and monitoring. Your identity security solution will detect anomalies, audit activities, and analyze footprints.  It will manage onboarding to offboarding for all users and manage identity lifecycles to reduce vulnerabilities.  Privileged access management (PAM) tools will also monitor and tightly control identity permissions for accounts and carefully track them to prevent any misuse.

Role of Zero Trust in Identity Security

Many organizations have already started planning their Zero trust initiatives. Identity security and zero trust are now becoming critical components of cyber defenses to aid in the fight against evolving threats.

The threats of tomorrow can exploit the vulnerabilities of today or something that's been missing from 10 years ago. Good identity security must be woven into anything moving in your infrastructure. It should be combined with endpoint privilege management to discover and remove local admin rights by default. Zero trust and identity security are needed both because it adds an additional layer of security and improves user experience and productivity for all employees.

It can help in decreasing endpoint attack surfaces, prevent zero-day attacks, and also meet compliance and audit requirements. You can also lower IT security and operational costs with the right endpoint privilege controls. When you extend zero trust to your servers and workstations along with extending identity security, you are on the right track to identity-centric prevention.

Identity Security vs IAM: What’s the Difference?

Here are the key differences between identity security vs IAM:

Area of Differentiation	Identity Security	IAM
Scope	Identity security will manage user profiles and account lifecycles. It covers their creation, modification, and deletion.	Access management will control and regulate permissions and privileges linked to digital identities. It will control who has access to what data and functions within systems.
Granular Controls	Identity security will deal with user profiles, roles, and groups.	IAM will focus on more granular access to controls. It will include precise permissions and access restrictions for individual users.
User Focus	Identity security will keep accurate digital profiles of all users.	IAM will keep user and resource-specific profiles. It will ensure the right users have access to the right resources.
Security	Identity security will manage all user identities and their linked attributes.	IAM will control and monitor user access to prevent unauthorized access.
Use cases	Identity security includes managing user profiles, and employee onboarding and offboarding processes.	IAM will secure access to systems, networks, apps, data, and prevent any unauthorized entries.

What Are the Most Common Identity Threats & Attack Techniques?

Here is a list of the most common identity threats and attack techniques faced by organizations:

Credential Theft & Phishing

Credential theft is where your stolen credentials from one system are used to gain access to other unrelated systems. For example, an attacker can use your Facebook password to log in to your Amazon account. If you reuse the same password in other websites, you can be in trouble.  Attackers can also use botnets and other automation tools to log into multiple accounts and services simultaneously.

Phishing is pretty straightforward. It's where attackers send emails to engage with you. They can send you links or ask for specific information related to you, your employees, or anyone in the organizations. There are different variants of phishing attacks like SMS phishing, voice phishing, spear phishing, and even whaling. Attackers can try to bait you by making phone calls to talk and extract information. Some phishing attacks can prey on a sense of urgency and attempt to get you to leak sensitive information.

 

Privilege Escalation & Account Takeover

Account takeover attacks involve the actor gaining full control of your user account. They steal credentials like usernames and passwords. They end up impersonating users and get legit access to their data which also lets them laterally move across networks.

Privilege escalation can happen vertically or horizontally. These attacks can broaden access to data and systems. The way it works is first, attacks start off from a lower-level account. Attackers escalate privileges and work their way up to higher-level accounts and eventually acquire root access. They gain unrestricted control over your networks in the end.

Service Account & Machine Identity Abuse

Service accounts are non-human identities used by services, apps, and virtual machines to access resources and run tasks. Common service account vulnerabilities are weak credential hygiene, insufficient monitoring, poor certificate management, and overprivileged access.

Attackers can target service accounts within the Active Directory by sending requests. They can crack encrypted Kerberos tickets offline and steal service account passwords. Poorly configured IAM policies and misconfigured cloud services also make potential entry points.

Machine identity abuse will involve pass-the-hash and pass-the-ticket attacks. These involve stealing password hashes and Kerberos tickets that attackers can use to authenticate themselves and move laterally across networks. Attackers can also exploit vulnerabilities in token management, impersonate machine identities, and also capture API tokens. They can inject malicious code into software at the manufacturing or distribution stages where machine identities are used by trusted systems.

Token Replay & SSO Exploits

Token replay attacks involve the reuse of tokens after they're intercepted during transmission. Tokens are meant for single authentication sessions, and when they are sniffed on the network or a man-in-the-middle intercepts them, your secure session is compromised.

SSO vulnerabilities exploit the identity providers responsible for providing authentication across various applications. Once the identity provider is compromised, the hacker has access to many services. These vulnerabilities include session hijacking, SAML assertions and stolen OAuth tokens.

Ultimately, if hackers have valid tokens, they can impersonate any user accessing other services interconnected to the same service. Weak validation of these tokens, lack of encryption, and lack of expiration access serve as secondary vulnerabilities.

Insider Threats & Orphaned Accounts

Insider threats are launched by your most trusted employees. There is no telling who may betray your organization or when. Their motives can be financial, political, or someone may bear hidden grudges in your company without having expressed them. There is no way to predict when insider threats occur.

Orphaned accounts include leftover credentials for users who have stopped working for organizations but remain active. Inactive accounts have retained access rights and thus are prime targets for attackers allowing them a legitimate entry into your systems.

Attackers abuse orphaned accounts by conducting reconnaissance to find an inactive and privileged user. The lack of a proper offboarding process, access review, and monitoring enables this gap in your security.

How to Detect Identity Threats Early

Here is how you can detect identity threats early:

Key Logs & Telemetry to Monitor

We recommend monitoring authentication and authorization logs sourced from Single Sign-On (SSO) systems, Identity providers (IdP), and Privileged Access Management (PAM) platforms.

For telemetry data, look at role and group changes. Analyze which user access rights exceed their privilege assignment. Also, extend your monitoring to going beyond identity systems and into network and device traffic. Monitor network logs, look for data exfiltration attempts, and flag unusual processes, app installations, and services.

Indicators of Identity Misuse

Check for users logging in from locations inconsistent with their work patterns or travel schedules. You could also monitor for impossible travel scenarios where logins occur from geographically distant locations within impossible timeframes.

If an HR employee suddenly starts accessing financial databases or a developer begins downloading customer records, investigate immediately.

Tools for Identity Threat Detection (SIEM, UEBA, ITDR)

Start collecting logs from various sources. Use Security Information and Event Management (SIEM) and ITDR AI-powered tools to establish baselines of normal behavior. You can easily spot deviations that way.

User and Entity Behavior Analytics (UEBA) tools can help you detect identity anomalies. UEBA solutions can integrate with SIEM platforms and also enrich alerts with behavioral and contextual data. They can assign risk scores for your deviations and find out the value of your assets that interact with entities.

How to Improve Identity Security in Your Organization

Here is how you can improve identity security in your organization:

Remediate Privileged Account Exposures

Map accounts with elevated permissions and find out where credentials are stored.  Remove unused accounts and reset passwords on any exposed credentials. If you find accounts shared across teams, tell your users to update their credentials, set stronger passwords, and make them more unique. Apply tight controls on admin workstations and revoke access when roles change. Monitor your sessions to spot unusual behaviours and set up automated alerting for any attempts to use old or compromised accounts.

Enforce MFA & Passwordless Authentication

Enforce multi-factor authentication before allowing access to critical systems. Application-based one-time codes or security tokens should be installed for all users. As a countermeasure to password-based vulnerabilities, installing device-specific credentials combined with biometric authentication is helpful.

Automate Identity Lifecycle Management

Automating account creations, changes, and de-activation gives you consistency. You're able to integrate your HR system into identity processes so that any changes  in role will instantly remove or change access. This reduces human errors and maintains permissions, making them stay updated with your current responsibilities.

Govern Machine & API Identities

You should inventory all machine-to-machine credentials and assign them clear owners and roles. Rotate your API keys on a fixed schedule and revoke any unused keys. If you need to segment access, grant scopes that match each service’s needs. You can track usage via logs and flag anomalous requests for review.

Identity Security Best Practices & Checklist

Here are some of the best practices and security measures you can follow to safeguard against identity-based attacks:

• Start using Multi-factor Authentication (MFA) everywhere. Add at least two authentication factors (like passwords with biometrics or hardware tokens). Use phishing-resistant MFA like FIDO2 security keys and don't rely solely on SMS-based MFA.
• Adopt a zero trust security model and implement least privilege access. Enforce continuous identity verification and don't grant unrestricted access to all your resources. You can prevent lateral movement by applying micro-segmentation.
• Use AI identity threat detection solutions and behavioral analytics to monitor for unusal login attempts and credential misuse. Look for failed logins, location anomalies, and prevent privilege escalations. Forced logouts are another warning sign.
• Don't rely purely on passwordless authentication because it has its limits. Start using hardware security keys, biometric authentication, and single sign-on (SSO) solutions for improved identity security. You can also use passkey authentication to eliminate common identity security risks related to weak and reused passwords.
• Use role-based access controls to create roles that align with actual job responsibilities rather than copying existing permission sets. Apply Implement separation of duties (SoD) controls as well.
• Audit identity groups and entitlements regularly to prevent security gaps and compliance violations. Use network segmentation to isolate identity infrastructure from general network traffic.
• Place domain controllers and identity servers on separate network segments with restricted access. Monitor all traffic to and from these systems, and investigate any unexpected communication patterns. Use Active Directory protocols, LDAP queries, and authentication flows to detect subtle attack indicators.

Key Metrics & KPIs for Measuring Identity Security

Here are the key metrics and KPIs to track for measuring your identity security posture:

MFA Adoption Rate

MFA adoption rate tells you the total population of your users that are protected by Multi-factor Authentication (MFA). A 100% adoption rate should be your ideal target for all internet-facing systems and privileged accounts.

Privileged Account Exposure

You can measure privileged account exposure by making an inventory of your privileged accounts. Map out domain admins and cloud root accounts and measure your compliance with PAM policies. Also check your secure standing accounts coverage and secrets rotation frequency.

Orphaned Accounts

Compare access and identity logs with your Human Resources Information System (HRIS) data to trace active and orphaned accounts.  You should automate user deprovisioning for them and schedule regular reviews and reconciliation reports.

Mean Time to Revoke

Mean time to revoke is the total time needed to revoke access for all offboarded employees divided by the number of employees offboarded. It's important because it closes identity security gaps quickly. It also ensures timely and more consistent removals.

Identity Hygiene Score

Identity hygiene score will test the overall identity hygiene of your organization. You can measure your identity security posture and it will come up with a number after checking for the use of conditional access policies, risky sign-ins, and MFA adoption rates as well. You can track your score over time and compare your posture with other organizations. This score will also help you prioritize different areas of improvement.

Identity Security Tools & Solutions You Should Know

You should definitely know about Identity Access and Management (IAM) platforms because they are the foundation for securing and taking care of your digital identities. They can help you control user access as well. Then we have Privileged Access Management (PAM) solutions which are used for managing privileged accounts. Identity Governments and Administration (IGA) Solutions are used to manage and automate user access rights, enforce compliance, and streamline identity provisioning.

We also have Single Sign-On (SSO) and Directory Services and Passwordless Authentication Solutions. There are also identity threat detection and response (ITDR) solutions which are used to detect and respond to various identity threats that target your company's identity infrastructure.

Emerging Trends & Future of Identity Security

The Zero Trust Security Model is one of the biggest trends that is gaining traction in the identity security world. We have biometric verification and authentication that is becoming a major trend for improving identity security measures. Biometrics nowadays are also adding typing patterns on top of fingerprints and other behavioral traits.

Many businesses are also taking a layered approach to identity security by incorporating single sign-on and multi-factor authentication. They are using advanced MFA solutions to fortify their security postures. We are also noticing an increase in decentralized identity ecosystems. Here individuals can manage their identity data and selectively share the information they want to share with trusted entities.

Real World-Impact of Identity Security

Here is how identity security is impacting organizations and businesses these days:

Scenario	With Identity Security	Without Identity Security
Compromised admin account	Automated MFA challenge blocks unauthorized logins in real time.	Exposure of high-privilege credentials enables complete domain takeover.
Shadow service account	Continuous discovery routines detect and remove hidden service identities before abuse.	Unmonitored accounts increase the risk of credential theft. It also allows lateral movement unchecked.
Inadequate MFA implementation	Strong multifactor policies enforce phishing-resistant authentication across all access points.	Single-factor passwords are easily phished or brute-forced, leading to repeated account breaches.
Token replay attack	Session tokens are tightly scoped and short-lived, with anomaly detection flagging replay attempts instantly.	Stolen tokens grant prolonged access, allowing attackers to impersonate users across services.
Privileged account exposure	Privileged access is mapped and continuously verified using least-privilege checks, with risky sessions auto-revoked.	Overprivileged accounts remain unchecked, exposing critical assets to privilege escalation attacks.
Insider threat via orphaned account	Automated deprovisioning removes access for departed employees within minutes of offboarding.	Stale credentials remain valid indefinitely, granting insiders a hidden backdoor long after exit.
SSO provider compromise	Identity threat detection monitors SSO health, isolating compromised identity providers and revoking trust swiftly.	A single SSO breach cascades across all linked applications, compromising enterprise-wide SSO.
Zero Trust strategy enforcement	Policy engine applies continuous identity verification for every access request, minimizing implicit trust zones.	Reliance on network perimeter allows privilege creep and undetected policy gaps across environments.
Regulatory audit	Automated reporting delivers audit-ready evidence of identity controls and compliance with minimal manual intervention.	Manual log collection and disparate records cause audit failures, compliance gaps, and fines.

We have Entitlement Management which is another notable trend built off of the conventional principle of least privilege access (PoLP). It integrates machine and application identities and provides just-in-time access provisioning. Many businesses are also implementing cloud-based IAM solutions.

These are used for streamlining real-time identity monitoring, user authentication, and for enhancing other identity security measures. They are great for remote workforces and are easy to integrate with various digital tools and services. Most of them also bundle compliance features, which helps businesses adhere to various regulatory frameworks effortlessly.

Identity Security with SentinelOne

SentinelOne has various identity protection tools and solutions that can help you improve your identity security posture. If you are looking for an AI SIEM for an autonomous SOC, then you can check out SentinelOne's AI-SIEM solution. It helps you move into cloud-native AI SIEMs and offers limitless scalability and endless data retention. You can speed up your workflows with hyper automation and it can stream data for real-time detection and protection. We also recommend it for log analytics and if you are seeking a more advanced solution, you can check out Singularity™ Data Lake for Log Analytics.  It can capture and analyze 100% of your event data for operational insights and detect and resolve incidents in real time.

SentinelOne's SIEM solution can ingest data from any source. You can get complete visibility into your investigations and Singularity™ Data Lake for Log Analytics helps with its powerful visualization capabilities.

If you want to take your identity security to the next level you should also try out Singularity™ Identity. It provides real defenses for your identity infrastructure attack surface. You can reduce identity risks and detect and respond to attacks with holistic solutions for Active Directory and Entry ID. It will help you thwart attack progression, build resilience, and also provide advanced deception for identity assets.

You can misdirect your adversaries with high interaction decoys across your network and maximize the resulting telemetry for further investigation and attacker intelligence. We also have Singularity™ Endpoint, which can help you protect against malware and machine speed attacks by using an on-device AI. It can detect ransomware behavioral and static AI models and analyze anomalous behavior. You can identify malicious patterns in real-time and get critical endpoint and identity alerts with real-time visibility from system level to identity-based attacks. It will also help you protect mobile devices from zero-days phishing and man-in-the-middle (MiTM) attacks. It provides comprehensive security coverage across Windows, macOS, and Linux operating systems as well.

Conclusion

So now you know the difference between identity security and identity protection. You also have a clear idea about different identity protection tools, what IAM vs identity protection entails, and also know the differences between IAM vs identity security. You now understand what is identity security in cyber security, and are aware of the latest identity security best practices. If you want to start working on your identity security right now, we recommend doing an audit of all your users and accounts. If you need assistance, then the SentinelOne team is ready to help. Just reach out to us.

Identity Security FAQs

What is Identity Security?

Identity security is the practice of protecting digital identities from unauthorized access and misuse. It’s like having a bouncer at your organization’s digital door, making sure every person and device trying to access your systems is who they claim to be. You can think of it as managing all the digital keys to your business – from employee login credentials to machine accounts that run your applications.

If you fail to secure these identities properly, attackers will use stolen credentials to walk right through your front door.

Why is Identity Security Important?

Identity security is critical because 75% of cloud security breaches come from identity problems – attackers now log in rather than break in. You can’t rely on old perimeter security anymore since employees access systems from everywhere on different devices. If you don’t have proper identity controls, one compromised password can give attackers access to your entire network.

There are huge financial costs too – data breaches average $4.88 million, and many start with stolen credentials. Organizations need identity security to prevent these attacks and maintain customer trust.

How Does Identity Security Work?

Identity security works by verifying who someone is, deciding what they can access, and monitoring their activities. You start with strong authentication like multi-factor verification, then apply role-based permissions so people only get access they need for their job. The system continuously watches for unusual behavior – like someone logging in from a new location or accessing files they normally don’t touch.

If you implement it right, identity security creates multiple checkpoints throughout your network, making it much harder for attackers to move around even if they get initial access.

How to Improve Identity Security Level?

You can improve identity security by implementing multi-factor authentication everywhere possible – this blocks 99.9% of automated attacks. Make sure you conduct regular access reviews to remove unnecessary permissions and disable inactive accounts. If you have employees, train them to recognize phishing emails and social engineering attempts.

Set up continuous monitoring to detect suspicious login attempts or unusual access patterns. You should also use single sign-on solutions and enforce strong password policies across all systems. Regular security audits help identify gaps before attackers do.

What are Common Identity Security Threats?

Common identity security threats include credential stuffing where attackers use stolen password lists across multiple sites. Phishing attacks trick users into giving up their login information through fake emails or websites. You’ll also see password spraying attacks that try common passwords against many accounts, and session hijacking where attackers steal login tokens.

Social engineering manipulates people into revealing sensitive information or bypassing security controls. Man-in-the-middle attacks intercept communications to steal credentials, and brute force attacks try to guess passwords through automated tools.

How Does Identity Security Prevent Breaches?

Identity security prevents breaches by making it much harder for attackers to gain and maintain access to your systems. When you have strong authentication, even stolen passwords won’t work without the second factor. Continuous monitoring catches suspicious activities early, before attackers can do serious damage.

If you implement proper access controls, attackers can’t move laterally through your network even if they compromise one account. Identity security also helps with insider threats by limiting what each person can access and tracking their activities. You get better visibility into who’s accessing what, when, and from where.

What are Key Identity Security Best Practices?

Key identity security best practices include implementing phishing-resistant multi-factor authentication and enforcing least privilege access. You should maintain accurate identity records and automate user provisioning and de-provisioning processes. Regular access reviews help ensure people only have permissions they actually need.

If you want strong security, deploy continuous monitoring and behavioral analytics to detect anomalies. Use single sign-on to centralize authentication and make it easier to manage. Train your employees on security awareness and establish clear identity governance policies. Regular security audits and compliance checks keep everything working as intended.