Windows 10, 11 & Server 2022 · CIS Benchmark v3.0

CIS
Auditor

A lightweight Windows agent that continuously audits your endpoints against CIS Benchmarks — Level 1 and Level 2 — and reports findings to a centralised compliance dashboard. Deploy in minutes, no expertise required.

Runs as LocalSystem – no extra privileges to configure Auto-start Windows service Cloud-hosted backend via Cloudflare
coreagent — scan
PS C:\> coreagent.exe scan --pack windows11-cis-l1 --level 1
[08:14:22] CIS Windows 11 L1 — 180 rules
[08:14:22] Collecting registry values.......... done (312ms)
[08:14:23] Collecting security policy.......... done (891ms)
[08:14:23] Collecting audit policy............ done (204ms)
[08:14:24] Collecting services................ done (130ms)
[08:14:24] Running checks...
PASS CIS-W11-L1-1.1.1 Password history ≥ 24
PASS CIS-W11-L1-1.1.2 Max password age ≤ 365d
PASS CIS-W11-L1-1.2.1 Account lockout threshold: 5
FAIL CIS-W11-L1-2.2.1 Guest account enabled → disabled
FAIL CIS-W11-L1-2.3.7 Audit logon events: not configured
PASS CIS-W11-L1-9.1.1 Firewall: Domain profile on
ERRO CIS-W11-L1-9.3.1 Firewall: Public inbound blocked (elevated required)
PASS CIS-W11-L1-18.1.1 Screen saver timeout: 900s
...
Score: 71.4% 129 pass · 42 fail · 9 errors
Results uploaded → app.corvus-security.net/scans/a3f81c
84.2%
Avg Compliance
12
Endpoints
2
At Risk
Fleet compliance
● Online WORKSTATION-01
91.0%
● Online WORKSTATION-07
63.1%
● Offline LAPTOP-DEV-03
38.4%
Recent failing checks
FAIL

Guest account must be disabled

CIS-W11-L1-2.2.1 · Security Options

FAIL

Audit logon events not configured

CIS-W11-L1-2.3.7 · Advanced Audit

Everything You Need

Built for security teams who need compliance data without the complexity.

CIS Benchmark Checks

Audits registry settings, account policies, audit policy, firewall rules, service configurations, and more — all mapped to official CIS controls.

Level 1 & Level 2

Choose between CIS Level 1 (basic hygiene, low operational impact) and Level 2 (defence-in-depth, stricter controls). Scan both simultaneously or target specific categories.

Compliance Score

Per-endpoint compliance percentage, category breakdown, and trend tracking over time. Know exactly where you stand and what needs attention.

Policy Templates

Pre-built scan policies for common use cases: Win 11 Baseline, Win 11 Strict, Account Security, Network Hardening. One click to configure and deploy.

Multi-Tenant Fleet

Manage dozens or hundreds of endpoints across isolated tenants. Role-based access ensures each team only sees their own data.

Remediation Guidance

Each failed control includes the expected value, actual value, and remediation steps. Close gaps efficiently with actionable, specific guidance.

Up and Running in 4 Steps

1. Download

Download the installer package from your CIS Auditor dashboard.

2. Install

Double-click install.bat. It auto-elevates, copies files, and configures everything — including the Windows service.

3. Enroll

Enter the enrollment token from the Agents page. The installer connects to our cloud backend automatically.

4. Scan

Trigger scans from the web UI, apply a policy, and review compliance findings immediately.

Download & Install

Everything you need to get started in one package.

Installer Package

Recommended · Windows 10 / 11

Includes coreagent.exe, install.bat (double-click to run), and install.ps1 (PowerShell script). Auto-elevates, installs the Windows service, and guides you through enrollment.

Download Installer (.zip)

Agent Binary Only

For advanced / scripted deployments

Download just the agent binary and enroll manually via CLI — useful for automated deployment pipelines (MDM, GPO, Intune).

# 1. Enroll the agent

coreagent.exe enroll --token <token> --url https://cis.company.com

# 2. Install & start Windows service

sc.exe create CISAuditorAgent binPath= "coreagent.exe run" start= auto obj= LocalSystem

sc.exe start CISAuditorAgent

Download coreagent.exe

Technical Specifications

Supported OSWindows 10 (21H2+), Windows 11, Windows Server 2022
CIS BenchmarksWindows 10 CIS v3.0, Windows 11 CIS v3.0, Windows Server 2022 CIS v3.0
Benchmark LevelsLevel 1 (all plans), Level 2 (Standard and above)
Service AccountSYSTEM (required for security policy and registry access)
Config storageC:\ProgramData\CIS-Auditor\
Install pathC:\Program Files\CIS-Auditor\
Written inGo (single-binary, no runtime required)
BackendCloud-hosted (Cloudflare), HTTPS REST API (JWT + agent token)
Scan triggersOn-demand (web UI / API) or scheduled via policy
Service recoveryAuto-restart on failure, unlimited retries, 30-minute heartbeat trigger

Frequently Asked Questions

Why does the agent need to run as LocalSystem?
Reading CIS-required settings — such as local security policy (secedit), advanced audit policy (auditpol), and protected registry keys under HKLM — requires Local Administrator or LocalSystem privileges. LocalSystem is the standard Windows service account for security tooling and already holds all necessary privileges without extra configuration.
What data does the agent send to the backend?
The agent sends scan findings (control ID, status pass/fail/error, expected vs. actual values), basic system metadata (OS version, hostname), and heartbeat pings. No personal files, documents, or user data are ever collected or transmitted.
Can I deploy the agent without user interaction (MDM / Intune)?
Yes. The PowerShell installer accepts -BackendUrl and -EnrollmentToken parameters, making it fully scriptable. You can wrap it in an Intune Win32 app, a GPO startup script, or any remote management tool — no interactive prompts when parameters are supplied.
Where is the backend hosted?
The backend runs in our cloud, fronted by Cloudflare for DDoS protection and global performance. Agents communicate with it over HTTPS using the URL provided during enrollment — no special network configuration is required on your endpoints.
How do I remove the agent?
Run uninstall.ps1 (included in the installer package) as an administrator. It stops the service, removes it from the SCM, and deletes the install directory. Add the -RemoveConfig flag to also delete configuration and credentials from C:\ProgramData\CISAuditor.

Start scanning today

Deploy the agent, run your first scan, and get a compliance score in under 5 minutes.