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What Is PAM?
Part 1: Foundations and Fundamentals

Every enterprise has specific systems that only authorised individuals should be able to access. Servers, databases, cloud, and network devices are not things you want anyone poking around in.

What is PAM and why does it matter? Privileged Access Management (PAM) is how organisations make sure the right people have access to those systems.

Understanding What Is PAM: The Core Definition

PAM is a cybersecurity concept focused on controlling, monitoring, and securing privileged access. This refers to access with elevated permissions that can make significant changes to enterprise IT environments. It combines technology, processes, and policy to protect the accounts and credentials that could cause serious damage in the wrong hands.

PAM sits under the wider umbrella of Identity and Access Management (IAM). Where IAM manages all users and their access rights, PAM focuses on the accounts with elevated privileges.

A differentiation between what is PAM and what is IAM

Understanding User Privileges

To know about PAM, we start with understanding what “privileges” means in an IT context. Every user account has a set of permissions that determine what they can do, which files and systems they can access, and what changes they are allowed to make.

Privileged accounts are granted elevated rights to install software, modify system configurations, create or delete user accounts, or access sensitive data. They are essential for running and maintaining IT infrastructure, but they also represent significant risk.

Privileged access spans a wide range of systems, including Windows servers, Linux environments, Oracle databases, network routers and switches, cloud platforms like AWS and Azure, and enterprise ERP and CRM software. Any system that is critical to your business likely has privileged accounts associated with it.

How Enterprise User Privileges Are Created and Managed

What is PAM: The Stages of Privilege Management Lifecycle

Privilege management follows a structured lifecycle that begins with defining roles. A system administrator, a database administrator, and a network engineer each have different responsibilities, and therefore different access needs.

Once roles are defined, access policies are created to spell out what each role can and cannot do. A database administrator might have the ability to modify database structures, but not to view customer personal information.

Users are then assigned to roles that match their job requirements, following the Principle of Least Privilege (PoLP). This is the idea that people should have only the access they need to do their job, and nothing more. IAM systems like Active Directory group policies, LDAP, or cloud-based tools automate the permission granting based on role assignments.

The work does not stop there, however, as privileges need to be reviewed regularly. People change roles, leave the company, or accumulate access over time that they no longer need.

Privileged Access Governance is the ongoing process of auditing, flagging unused privileges, and revoking unnecessary access. This keeps an organisation’s privilege landscape from getting out of control.

Types of Privileged Accounts

Privileged accounts take several forms, and some are far easier to overlook than others. Understanding each type is essential to building a PAM strategy that covers your environment.
  • Super Users: The “root” account in Unix/Linux or “Administrator” in Windows sit at the top of the hierarchy with unrestricted access to everything.
  • Domain Administrators: These have full control over all computers and users within a Windows domain.
  • Local Administrators: These accounts are more limited and scoped to a single device. Often overlooked, they are just as dangerous if compromised.
  • Service Accounts: Used by applications to communicate with the operating system. For instance, a SQL Server service account might need permissions to manage databases and run scheduled jobs.
  • Application Accounts: These are similar to service accounts that give specific applications or database systems elevated access to do their jobs. Both types tend to have long-lived, static credentials that rarely change, which makes them a frequent target.
  • Emergency Accounts: Sometimes called break-glass accounts, these exist for situations where normal access is unavailable. They are the IT equivalent of a fire alarm, meaning you do not want to use them often, but you need them to work when everything else fails.
  • Network Device Admin Accounts: These manage routers, switches, and firewalls, and can make sweeping changes to how an enterprise network operates.
  • Privileged Business User Accounts: These are regular employees who have been granted additional access for specific functions, like a finance manager who can access sensitive financial reporting systems. These often fly under the radar because they do not look like admin accounts.
What is PAM: Types of User Accounts

Who or What Holds a Privileged Identity?

When most people think about privileged access, they picture a senior sysadmin with root access to servers. That account matters, but it represents a fraction of the privileged identities most organisations actually need to manage. Human privileged identities include IT administrators, database managers, security analysts, and others who genuinely need elevated access to do their jobs. These are your most visible privileged users.

What is PAM: Types of User Identities, human identities and non-human identities

Non-human privileged identities are where most organisations have the least visibility, and where exposure tends to be highest. Automated processes, applications, scripts, and bots frequently need to interact with systems using elevated credentials.

Examples include a backup application authenticating via API keys, or a CI/CD pipeline with credentials to deploy to production. These non-human identities can easily outnumber human ones in a large organisation, and they are often managed with far less rigour.

Temporary privileged identities round out the picture. A third-party consultant brought in for a project or a contractor who needs access for a few weeks requires careful provisioning and de-provisioning when their work is done. PAM systems can automate both ends of that process.

Why PAM Is Now a Core Requirement

PAM has moved from an optional extra to a core requirement for most serious security programmes. Understanding what PAM implementation really means is now essential the threat landscape has changed and so has the IT environment most organisations are trying to protect.

Without PAM, organisations often have no clear picture of who has access to what. Former employees may still have active credentials, and service accounts may have accumulated permissions far beyond what they need.

Overly provisioned privileges compound the problem. When users have more access than they need, whether through inaccurate provisioning or accumulated permissions over time, a single compromised account can do far more damage than it should. The blast radius of any incident grows proportionally with the privileges attached to the account involved.

Digital transformation has made the problem harder to manage manually. Cloud, remote work, BYOD, and the explosion of SaaS applications have increased the number of access points to secure. What was once manageable with spreadsheets is now unworkable without automation.

Credential management is another persistent challenge. Manual processes for rotating passwords on hundreds of service accounts are error-prone and time-consuming. Shared passwords make accountability nearly impossible, as you cannot know who did what if five people share an admin account. Hardcoded credentials in application code are a persistent risk, and one that frequently surfaces during breach investigations or through exposed code repositories.

AI-powered attacks add a new dimension to all of this. Sophisticated threat actors now use automation and machine learning to probe for vulnerabilities faster than human defenders can respond. Modern PAM systems can detect anomalous behaviour and respond in real time.

What Can a Modern PAM System Deliver?

Implementing PAM is not just about checking a compliance box, though it helps with that too. Modern PAM solutions answer what is PAM capable of delivering in terms of security outcomes and operational benefits.

  • Stronger Security: Features like Just-in-Time (JIT) access reduce the window of opportunity for attackers. Instead of accounts sitting around with standing privileges that can be exploited any time, JIT grants access only when it is needed and revokes it when the task is done. It is one of the most effective controls available.
  • Regulatory Compliance: GDPR, PCI DSS, ISO/IEC 27001, and SAMA require organisations to control and monitor access to sensitive data. PAM makes compliance achievable by providing real-time monitoring, risk scoring for privileged sessions, and complete session recording for audit purposes.
  • A Minimised Attack Surface: With PAM in place, organisations gain full visibility into user accounts, privileges, passwords, and roles. Automated provisioning and de-provisioning, MFA, and JIT access work together to shrink the attack surface, making it possible to enforce a genuine zero-trust security posture.
  • Insider Threat Detection: Not all threats come from outside. PAM helps surface the insider threats that traditional security tools often miss, such as a disgruntled employee exfiltrating data, or an opportunistic user accessing systems they should not. When a PAM system detects unusual behaviour from a privileged account, such as accessing sensitive data at 2am on a Sunday, it can alert security teams before the situation escalates.
  • Operational Efficiency: Manual privileged account management does not just create security risk, it is a drain on IT teams. PAM automates routine tasks like password rotation, access requests, and account provisioning, freeing up admins to focus on work that needs human intervention.
  • Third-Party Risk Management: Vendors, contractors, and managed service providers often need some level of privileged access to enterprise systems. PAM allows organisations to grant that access in a controlled, monitored way. This ensures third parties operate within defined boundaries and cannot access more than they need to.

How Attackers Exploit Privileged Access

Often, attackers follow a consistent and well-documented pattern when targeting privileged access. This is precisely why understanding what PAM and its protective mechanisms is so critical to your defense strategy.

Credential theft is the most common entry point. Phishing attacks targeting administrators, social engineering, and data breaches all yield privileged credentials that attackers can use directly. Once they have valid credentials, they do not need to hack anything because they just log in.

Vulnerability exploitation is another major vector. Unpatched systems and misconfigured applications give attackers a foothold to escalate their privileges. Third-party compromise is increasingly common too, occurring when a vendor with access to systems gets breached, turning that access into a backdoor into the IT environment.

Once an attacker gains privileged access, the damage they can do is substantial. Data exfiltration, system sabotage, lateral movement across networks with one compromised account to reach others, and credential harvesting to collect more passwords all become possible. In each of these scenarios, the presence of privileged access turns what might be a contained incident into something far more damaging.

Building the Foundation

Building a PAM programme means bringing together strategy, processes, and technology. Each layer depends on a clear understanding of your privileged access landscape.

This first part has established that foundation. Part 2 explores how organisations translate that understanding into a working PAM implementation.

Stay tuned for part 2!