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12/06/2026 9:26 pm
TL;DR: Traditional firewalls and VPNs are no longer sufficient for distributed work, because access decisions now depend on real-time device posture checks such as OS version, disk encryption, patch level, and firewall status, according to JumpCloud. The security model shifts from perimeter trust to continuous verification at the endpoint, where access is either granted or blocked based on compliance.
NHIMG editorial — based on content published by JumpCloud: Updated on December 8, 2025 Is your firewall enough to protect your most sensitive applications?
Questions worth separating out
Q: How should security teams use device posture in conditional access decisions?
A: Security teams should use device posture as a required input to access policy, not as an informational dashboard.
Q: Why do firewalls and VPNs no longer provide enough protection on their own?
A: Firewalls and VPNs only describe the path a device takes, not whether the device is secure enough to trust.
Q: What breaks when device compliance is checked only after access is granted?
A: If compliance is checked after access is granted, the organisation creates a window where a non-compliant device can still reach sensitive data.
Practitioner guidance
- Define posture requirements for sensitive applications Set minimum access conditions for OS version, disk encryption, patch level, and firewall status before any session can reach critical resources.
- Tie conditional access to live compliance signals Use real-time endpoint telemetry so access decisions reflect the current state of the device rather than yesterday's compliance report.
- Block non-compliant devices at the policy layer Enforce access denial automatically when a device fails posture checks, instead of relying on manual review or after-the-fact cleanup.
What's in the full article
JumpCloud's full article covers the operational detail this post intentionally leaves for the source:
- Step-by-step device posture checks for OS version, disk encryption, patch level, and firewall status.
- How the conditional access flow blocks non-compliant devices and sends users to remediation.
- The operational logic behind making device posture the access gate rather than the network perimeter.
👉 Read JumpCloud's analysis of device posture and conditional access →
Device posture and conditional access: is your firewall still enough?
Explore further
12/06/2026 11:31 pm
Device posture has become an access governance control, not an endpoint side project. The article is describing a structural change in the identity decision point. Once access depends on live device state, IAM and endpoint security converge around the same enforcement moment. Practitioners should treat posture data as part of access policy design, not as an afterthought for the device team.
A few things that frame the scale:
- 88.5% of organisations acknowledge that their non-human IAM practices lag behind or are merely on par with their human identity and access management efforts, according to The 2024 Non-Human Identity Security Report.
- Only 19.6% of security professionals express strong confidence in their organisation's ability to securely manage non-human workload identities.
A question worth separating out:
Q: Who is accountable when access is blocked because a device fails posture checks?
A: Accountability sits with the teams that define policy, maintain telemetry, and own remediation workflows, not with the user alone. IAM, endpoint, and security operations each control a different part of the decision chain. If access is blocked repeatedly without a clear recovery process, the control design is incomplete and the user experience will work against compliance.
👉 Read our full editorial: Device posture is replacing the firewall as the access control point
