How to Manage Non-Human Identities (Before They Manage You)

May 29, 2025

2 mins

Matt (Co-Founder and CEO)

In our last post, we talked about non-human identities (NHIs) โ€” the bots, APIs, scripts, and agents quietly running your software behind the scenes.

If youโ€™re running any modern SaaS, they already outnumber your human users by orders of magnitude.

But here's the thing: most systems still treat them like an afterthought. Or worse, like users in a bad disguise.

Thatโ€™s how breaches happen.
Thatโ€™s how secrets leak.
Thatโ€™s how you end up with a rogue script still posting to production Slack three years after its creator left the company.

So: letโ€™s talk about how to actually manage non-human identities.

Step 1: Treat Them as First-Class Citizens

Stop shoehorning agents into human login flows or hardcoding keys into environment variables. Create a dedicated identity model for NHIs that answers:

  • What type of entity is this? (Agent, bot, script, service)

  • Who owns it? (Human, team, system)

  • What scope does it need? (Read-only? Limited environment?)

  • What is its lifecycle? (Ephemeral? Permanent? CI/CD-linked?)

Give each NHI a traceable owner, a purpose, and a lifespan.

Step 2: Issue Machine-Native Credentials

Humans use passwords. NHIs use:

  • Client credentials (OAuth2)

  • Signed JWTs

  • Mutual TLS certs

  • API keys with scopes

But these must be:

  • Short-lived (minutes, not months)

  • Rotatable (without downtime)

  • Revocable (with immediate effect)

If you're still using static keys from 2022, you have a security problem โ€” not a convenience feature.

Step 3: Define Access in Code

You canโ€™t manage thousands of agents with point-and-click dashboards. You need to:

  • Codify access rules in a DSL or policy engine

  • Store policies in version control

  • Apply CI/CD to your security decisions

  • Preview access changes before you ship them

Think Terraform for access, not checkboxes in a web UI.

Step 4: Make Them Observable

You should be able to answer:

  • What is this agent doing?

  • When did it last act?

  • Who approved its creation?

  • Is it doing something unusual?

If the answer is โ€œI donโ€™t knowโ€ โ€” thatโ€™s a gap.

You need:

  • Audit trails for every action

  • Anomalous behavior detection

  • Alerts on orphaned or over-permissioned agents

NHIs donโ€™t have intent. So itโ€™s your job to make sure theyโ€™re not silently going rogue.

Step 5: Kill What You Donโ€™t Need

  • Expire credentials automatically

  • Rotate tokens regularly

  • Archive or delete unused identities

  • Add ownership reviews to quarterly ops

The riskiest identity is the one no one remembers still exists.

Final Thought:

You wouldnโ€™t let a junior dev spin up an AWS superadmin account with no oversight.
So why are your scripts, bots, and AI agents running with god mode?

Non-human identity management isnโ€™t a feature.
Itโ€™s the foundation of secure software in the automation era.

And if you donโ€™t design for them today, youโ€™ll be cleaning up after them tomorrow.

Sign up for a chat with the Founders today to find out more.