A defense contractor runs ISE inside a network that has no route to the internet. The posture library still checks an antivirus version the company retired two years ago, and the team wants Cisco's updated checks and rules without hand-writing them for each product. Which posture update method fits this isolated environment?

Applying a Cisco posture update archive through ISE’s offline update method is the right fit: it brings Cisco-maintained posture checks and rules into an isolated deployment without requiring internet access or manually authoring checks for each antivirus product. The archive is specifically for updating posture content; an administrator can obtain it through an approved connected process and transfer it into the restricted environment. Deploying a newer Secure Client posture module can update endpoint-side components, but it does not by itself refresh the posture library and rules stored and used by ISE. An internal repository makes that deployment feasible without internet, yet it addresses the wrong update target. Installing an ISE cumulative patch is also a legitimate way to maintain an isolated deployment, but a software patch is not a substitute for importing the Cisco posture-content archive; patching alone does not ensure the retired antivirus check is replaced. Windows Security Center conditions can provide a useful way to assess supported antivirus status, but they rely on the operating system’s reported state rather than supplying Cisco’s updated product-specific posture checks and rules. Exam caveat: distinguish ISE software maintenance, endpoint-module deployment, and posture-content updates; they may all be managed offline, but they update different things. Practical check: after importing the archive, verify the ISE posture update status and confirm the retired antivirus version is no longer the active check.