What it is
An Endpoint Hardening Checklist is a secure-baseline configuration list you push through your UEM or MDM to lock down every managed device against the most common attack paths. This checklist spans Windows, macOS, and mobile, grouping controls into the areas that actually move the needle: encryption and device protection, local admin and identity, network and firewall, malware defense and attack-surface reduction, and compliance enforcement with remote actions. Each line is a concrete, enforceable setting, not a vague aspiration, so you can work down the list and confirm every device in the fleet is configured to the same defensible standard.
The checklist is grounded in real hardening controls. On encryption it calls for full-disk encryption enforced by policy, BitLocker on Windows and FileVault on macOS, with recovery keys escrowed to the MDM and confirmed retrievable. On identity it removes persistent local admin rights, replacing them with just-in-time or LAPS-style elevation, and ties device sign-in to MFA and conditional access. On malware defense it expects EDR or antivirus deployed, healthy, and reporting into device compliance, alongside attack-surface-reduction rules that block Office macros and untrusted scripts. The throughline is that a control only counts when it is enforced and monitored, not merely recommended.
Its most important principle, stated plainly in the source material, is that a hardening baseline is only as good as its enforcement. Every control should auto-remediate on drift and tie compliance to conditional access, because a setting a user can quietly turn off is not a control. This checklist is therefore as much about how you enforce as what you enforce, and it pairs naturally with a baseline configuration profile you can score and an asset inventory you can audit against.
What it's used for
Teams use an endpoint hardening checklist to turn a sprawling, easy-to-forget set of security settings into a systematic baseline they can deploy and verify across the whole fleet. The checklist supports several concrete jobs:
- ✓ Enforcing full-disk encryption fleet-wide, BitLocker and FileVault, with recovery keys escrowed to the MDM and confirmed retrievable, plus removable-media and USB controls per your data-protection rules.
- ✓ Eliminating standing local admin rights, granting elevation just-in-time or through a LAPS-style rotated-password workflow, and disabling or renaming built-in and guest accounts.
- ✓ Locking down the network posture: host firewall on with default-deny inbound, certificate-delivered Wi-Fi, secure or filtered DNS, and file and printer sharing disabled on untrusted networks.
- ✓ Standing up malware defense that holds: EDR healthy and reporting into compliance, attack-surface-reduction and exploit protection enabled, and application control or allowlisting limiting execution to approved software.
- ✓ Enforcing screen lock with a short idle timeout and password-on-wake, strong passcode complexity, and lockout after failed attempts so a walk-up or stolen device is not an open door.
- ✓ Wiring compliance to access, so policies evaluate encryption, OS version, jailbreak or root state, EDR health, and password posture, and non-compliant devices automatically lose access to corporate apps and data.
- ✓ Validating the response path: telemetry forwarded to SIEM, and lost or stolen device actions, remote lock, lost mode, and selective or full wipe, tested rather than assumed to work.
Who uses it
Hardening is a shared responsibility between the people who define the baseline, the people who push it, and the people who answer for it. The checklist gives each group a clear set of controls to own:
Context & good to know
Endpoint hardening exists because the endpoint is where most breaches actually start. Phishing lands on a laptop, a malicious macro runs in someone's Office document, a stolen device walks out of a coffee shop. The network perimeter has dissolved into thousands of individual devices on home Wi-Fi and cellular, so the device itself has become the perimeter. A hardening baseline is the practical acknowledgment of this: instead of trusting the network, you make each endpoint defensible on its own, with encryption, EDR, least privilege, and a locked-down configuration that holds even when the device is off-network.
The single idea that separates effective hardening from security theater is enforcement with drift remediation. It is easy to publish a configuration profile and assume the fleet is hardened; it is much harder to ensure that profile stays applied as users tinker, software changes settings, and new devices enroll. This is why the checklist insists that controls auto-remediate on drift and that compliance is wired to conditional access. A device whose firewall a user disabled, or whose EDR silently fell unhealthy, should automatically lose access to corporate data until it is back in compliance, not coast along unnoticed until an incident exposes it.
In the wider endpoint-management picture, the hardening checklist is the action list and a scored baseline profile is its measurement counterpart. UEM and MDM platforms, Intune, Jamf, Kandji, ManageEngine, give you the levers; the checklist tells you which levers to pull and the baseline profile tells you how far reality has drifted from where you set them. Together with an asset inventory that proves coverage and an EDR that supplies the live compliance signal, hardening becomes a closed loop: define the baseline, push it, measure drift, auto-remediate, and gate access on the result.