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01/08/2026 10:49 pm
TL;DR: CTEM only reduces risk when organisations turn visibility into a repeatable operating model that prioritises remediation, measures exposure change, and aligns people, process, and technology, according to Horizons.ai’s playbook. The governance challenge is not framework awareness but proving that exposure is actually falling over time.
NHIMG editorial — based on content published by Horizons.ai: Operationalizing CTEM: A Practical Playbook for Continuous Threat Exposure Management
By the numbers:
- 72% of organisations have experienced or suspect they have experienced a breach of non-human identities, 46% confirmed and 26% suspected.
- When AWS credentials are exposed publicly, attackers attempt access within an average of 17 minutes and as quickly as 9 minutes in some cases.
Questions worth separating out
Q: How should security teams operationalize CTEM across identity and cloud exposures?
A: Start with a single operating loop that discovers exposures, validates reachability, ranks business impact, and assigns remediation owners.
Q: Why do exposure management programmes often fail to reduce risk?
A: They often fail because discovery is treated as the end state rather than the beginning of a control decision.
Q: What do teams get wrong about measuring CTEM maturity?
A: They confuse operational activity with risk reduction.
Practitioner guidance
- Build a CTEM operating loop Define discovery, validation, prioritisation, remediation, and verification as a single workflow with named owners for each stage.
- Prioritise identity-shaped exposures first Score findings that involve privileged service accounts, exposed secrets, API keys, certificates, and AI agent credentials above low-risk hygiene issues.
- Measure recurrence, not only volume Track how many critical exposures return after remediation and how long high-risk items remain open.
What's in the full article
Horizons.ai's full whitepaper covers the operational detail this post intentionally leaves for the source:
- Practical CTEM operating model guidance for organisations building the programme from scratch.
- Prioritisation methods that map exposure findings to business impact and remediation sequencing.
- Maturity checkpoints for measuring whether exposure is genuinely decreasing over time.
- Workflow guidance for teams that need to connect security operations with remediation owners.
👉 Read Horizons.ai's whitepaper on operationalizing CTEM for measurable risk reduction →
CTEM operationalization: are your exposure workflows measurable yet?
Explore further
01/08/2026 10:58 pm
CTEM is becoming the control plane for exposure governance, not just vulnerability management. The article reflects a broader market shift: organisations are no longer satisfied with inventories and alerts if they cannot show measurable reduction in exploitable exposure. That matters for IAM and NHI teams because identity is often the shortest path from exposure to impact. The governance question is whether exposure management includes credentials, permissions, and workload identities, not just hosts and code. Practitioners should treat CTEM as a cross-domain control model that must reach identity boundaries.
A question worth separating out:
Q: How can organisations align CTEM with NHI governance?
A: Treat service accounts, API keys, tokens, and certificates as exposure assets that must move through the same lifecycle as other high-risk resources. That means assigning ownership, enforcing rotation or offboarding, and confirming that privilege is removed after the exposure is remediated. Otherwise NHI risks remain outside the control loop.
👉 Read our full editorial: Operationalizing CTEM for measurable threat exposure reduction
