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The Hidden Threat: Why Ignoring Non-Human and Third-Party Identities is a Risk You Cannot Afford

By Frank Briguglio |

June 9, 2025

I had the opportunity to present and discuss the threat of Non-Human and Third-party Identities at AFCEA TechNet Cyber with the Department of Defense (DoD) community. It is obvious that the maturity of Identity, Credential and Access Management (ICAM) and all identities is top of mind. The Industry, the National Institute of Standards and Technology (NIST), Department of Homeland Security – Cybersecurity and Infrastructure Security Agency (DHS CISA) and the DoD are all starting to focus on the problem, as it is recognized that identity is no longer just an IT problem—it is the front line of defense. We have been deep in digital transformation and the adoption of Zero Trust frameworks and have discovered an inconvenient truth: most organizations are flying blind when it comes to managing the very identities that power their operations—non-human and third-party users.

And that is a problem.

The New Cyber Perimeter: Identity

The old perimeter—firewalls and virtual private networks (VPNs)—is dead. What stands between you and the next breach is your ability to govern who or what has access to your systems. Yet many agencies remain fixated on credentials and authentication, while ignoring vast swaths of non-human actors (bots, robotic process automations (RPAs), service accounts) and external partners (vendors, contractors, mission partners).

This is not just a gap. It is a canyon.

According to Deloitte, 63% of organizations lack visibility into third-party access. Even more troubling, most have no way to list or audit all machine identities operating in the background. These invisible accounts often have persistent, high-level access and no formal governance, making them prime targets for threat actors.

Real-World Breaches, Real-World Consequences

Look no further than the SolarWinds and Okta breaches. In both cases, attackers exploited unmanaged service accounts or contractor credentials to move laterally and escalate privileges. These were not arcane zero-days—they were lapses in identity governance. And they cost credibility, customer trust and in some cases, national security.

The lesson? You cannot protect what you cannot see. And you definitely cannot secure what you do not control.

Why Automation and Governance Are Non-Negotiable

In a Zero Trust architecture, access is no longer assumed—it is continuously verified. But that verification breaks down when service accounts are created ad hoc, with no expiration dates, no ownership and no audit trail. The same goes for third-party users who are onboarded through spreadsheets or informal emails, then forgotten once their project ends—yet their access lives on.

This is how breaches happen.

Governance gaps like these leave organizations exposed to avoidable risks: policy drift, compliance violations, excessive access rights and a lack of accountability. Without automation and lifecycle management, identities multiply faster than security teams can manage them—leading to sprawl, privilege creep and ultimately attack surface expansion.

The Case for Identity-Centric Security

Modern enterprises need identity security platforms that extend beyond the traditional workforce. That means treating machine and third-party identities with the same level of scrutiny, controls and lifecycle management as full-time employees.

SailPoint’s approach offers a compelling blueprint:

  • Non-Employee Risk Management (NERM): Centralized, auditable workflows for third-party access, including onboarding, offboarding and access reviews.
  • Machine Identity Security (MIS): AI-driven discovery, classification, ownership assignment and access certification for bots, RPAs and service accounts.

Together, these capabilities provide visibility and governance across all identities, regardless of origin. They also support Zero Trust mandates like least privilege, just-in-time access and continuous verification.

Business Benefits Beyond Security

This is not just about reducing risk. It is about enabling speed and scale without sacrificing control.

With strong identity governance:

  • Mission partners and contractors get the access they need faster—without creating long-term exposure.
  • Audit preparation becomes easier, with clear logs of who had access to what, when and why.
  • Compliance improves, especially in regulated industries, based on NIST and other frameworks.
  • Security teams can shift from reactive firefighting to proactive risk management.

And perhaps most importantly: organizations become more resilient in the face of evolving threats.

The Bottom Line

Cybersecurity is no longer just about protecting data—it is about protecting trust. And trust starts with visibility and control over every identity that touches your systems.

If your organization is still relying on outdated processes to manage non-human and third-party users, now is the time to act. Inaction is not neutral—it is a strategic liability. As attack surfaces expand and adversaries grow more sophisticated, unmanaged identities will remain the soft underbelly of your defenses.

Zero Trust is not just a framework—it is a mindset. And in that mindset, every identity matters.

It is time to see what has been hiding in plain sight.

Ready to reinforce your identity perimeter? Discover how SailPoint’s ICAM solutions empower organizations to manage digital identities with precision. Explore Now.


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