7 Critical IAM Best Practices Your Organization Can't Ignore
At its core, IAM is a comprehensive framework that ensures the right users and devices can access the right resources at the right time. But exactly how can organizations prioritize IAM implementation and avoid an identity disaster?
Here's a statistic that should give every business leader pause: 61% of all data breaches involve compromised credentials, including username and password credentials. That means nearly two-thirds of all cyber incidents could potentially be prevented with proper Identity and Access Management (IAM).
At its core, IAM is a comprehensive framework that ensures the right users and devices can access the right resources at the right time. But exactly how can organizations prioritize IAM implementation and avoid an identity disaster? Here are the seven leading best practices to follow:
- Implement Zero Trust Architecture
Zero Trust Architecture (ZTA) operates on the principle that no user, device, or application should be inherently trusted, regardless of their location or network connection. It relies on three fundamental components that work together to create a robust security framework:
Network Segmentation: Creates secure, isolated zones within your cloud environment. Instead of having one large, open internal network, you establish multiple smaller, controlled segments.
Continuous Verification: Ensures that trust isn't permanent. Users and devices must repeatedly prove their identity and security status throughout their session, not just at login.
The Principle of Least Privilege (PoLP): Restricts access privileges to the minimum necessary for each user, reducing the risk of unnecessary exposure.
The benefits of Zero Trust extend beyond security. Organizations often report improved operational efficiency as access policies become clearer and more automated. Compliance reporting also becomes more straightforward with comprehensive access logs, and the ability to grant precise, time-limited access helps streamline collaboration with external partners.
- Enforce Multi-Factor Authentication
Security experts are virtually unanimous in accepting the uncomfortable truth that passwords, no matter how complex, no longer provide adequate security on their own. Even that 16-character string of numbers, letters, and symbols can be compromised through various methods, from sophisticated phishing attacks to simple shoulder surfing.
By requiring multiple forms of verification, Multi-Factor Authentication (MFA) creates layers of security that are exponentially more difficult to breach. Even if an attacker manages to steal a password, they'd still need additional factors to gain access.
MFA relies on three distinct categories of verification factors, each adding a unique layer of security:
Something You Know: The traditional password or PIN (i.e. information stored in your memory).
Something You Have: Physical or digital possessions like smartphones, security tokens, or smart cards, such as a one-time password (OTP) sent via SMS or generated through an authenticator
Something You Are: Fingerprints, facial recognition, iris scans, and other biometrics are inherently personal and extremely difficult to replicate.
The downside of MFA is that users might need a few extra seconds to log in, but those seconds could prevent hours or days of breach recovery efforts.
- Prioritize Security Awareness Training
Stanford University researchers revealed that up to 88% of data breaches occur due to human error. The most robust security technology in the world can't protect your organization if an employee falls for a convincing phishing email or shares their credentials with a scammer posing as IT support.
Effective security awareness training should be an ongoing program that evolves with new threats and reinforces key concepts through various channels:
Password Hygiene: Teach employees about password managers, the risks of password reuse, and why certain password practices (like changing them too frequently) can actually reduce security.
Phishing Resistance: Regular training should include real-world examples, simulated phishing exercises, and clear reporting procedures for suspicious emails. Employees should understand that falling for a phish doesn’t necessarily imply negligence — but failing to report it does.
Access Control Awareness: Train on secure remote access procedures, the risks of credential sharing, and the importance of promptly reporting role changes that might affect access needs.
When done right, security awareness becomes part of your company's DNA, creating a culture where secure practices are the norm rather than the exception.
- Conduct Regular IAM Risk Assessments
Just as a doctor wouldn't prescribe treatment without first examining the patient, you can't effectively secure your identity infrastructure without understanding its current state and potential weaknesses. A comprehensive IAM risk assessment examines your identity infrastructure through multiple lenses:
Identity Inventory Analysis: Map out all user identities, including employees, contractors, service accounts, and machine identities. Many organizations discover they have up to ten times more machine identities than human users, each representing a potential security risk.
Access Rights Review: Examine who has access to what, paying special attention to privileged accounts and permission inheritance patterns. Look for access creep, where users accumulate unnecessary permissions over time, and orphaned accounts that remain active after users leave the organization.
Authentication Methods Evaluation: Asses password policies, MFA implementation, single sign-on (SSO), and any biometric systems in use.
Policy and Compliance Analysis: Review your IAM policies against relevant compliance requirements and industry best practices.
The ultimate goal of IAM risk assessment isn't to achieve perfect security, which is not a practical reality, it's to understand and manage your risks in the most optimized manner possible.
- Include IAM in Disaster Recovery Planning
Organizations typically focus their disaster recovery efforts on core business systems and data and IAM systems are sometimes treated as an afterthought, but several critical elements demand attention
Directory Services Recovery: Your authentication infrastructure, whether on-premises Active Directory or cloud-based identity providers, needs clear recovery procedures. This includes backup domain controllers, credential stores, and federation services.
Certificate Management: Digital certificates used for system authentication and secure communications must be backed up and readily recoverable. Expired or missing certificates can paralyze system access during recovery.
Privileged Access Management (PAM): Emergency user accounts access procedures need to be established for privileged accounts. Consider creating break-glass accounts with documented access procedures for crisis situations.
Session Management: Plan for handling active user sessions during system failures. Will you force reauthentication? How will you manage encrypted sessions if encryption keys are temporarily unavailable?
Giving IAM equal priority in your DR planning ensures that when critical systems are restored, your users can actually use them.
- Regularly Test IAM Backups
Full Restoration Testing
Create a segregated test environment that mirrors your production setupPerform a complete restoration from backup
Validate All IAM Functions
User authenticationGroup membershipsAccess policiesIntegration pointsCustom configurations
Performance Testing
Measure restoration time against recovery objectivesVerify system performance post-restorationTest scalability of restored systemsValidate backup storage requirementsEach test provides an opportunity to improve your recovery procedures and build confidence in your backup strategy.
- Validate RTO and RPO Metrics
Recovery Time Objectives (RTO) and Recovery Point Objectives (RPO) are crucial promises your organization makes to itself (and often its partners as well) about how quickly it can bounce back from disaster. Testing frameworks for IAM backup recovery should also account for access privileges and continuous monitoring as part of your organization’s risk management plan, with evaluations every month, quarter, and year:
Monthly Testing
Validate core authentication service recovery
Test critical system access restoration
Verify directory service synchronization
Check backup integrity and completeness
Quarterly Assessments
Full system recovery testing
Cross-dependency validation
Performance impact analysis
Integration point verification
Security control validation
Annual Review
Comprehensive recovery simulation
Business impact analysis update
Resource allocation review
Technology stack assessment
Process documentation update
Regular testing and validation of RTO and RPO metrics not only ensures your disaster recovery capabilities match your documented objectives but also helps identify areas for improvement before a real crisis occurs.
Secure Your Digital Future With IAM Excellence
Perfect security is a journey, not a destination. The threat landscape will continue to evolve, and your IAM strategy must evolve with it. The organizations that thrive in this dynamic environment won't be those with the biggest security budgets, but those that consistently apply these best practices while adapting to new challenges.
Don't wait for a security incident to prove the value of robust IAM. Contact MightyID to learn more about implementing these security measures such as continuous monitoring in cloud environments, and build real-time responses to incidents, helping your security team ensure users experience safe and efficient levels of access.