Business Email Security Check
A focused external check of the controls that help stop criminals from impersonating your business by email.
$99Limited-time priceIndependent security visibility for business owners
Know whether the protections your business relies on are actually working.
SunTzu Cybersecurity Labs provides authorized, non-destructive external assessments that turn technical exposure into clear business decisions.
- Authorization first
- Non-destructive testing
- Reviewed reports
SunTzu follows the concept of improvement through observation and action. You choose the areas of concern and complete a baseline scan. After you have completed your baseline scan, you will be offered the options for Continuous Monitoring and remediation. We are here to help! You can contact us directly for questions, remediation or any other IT related issues you would like to discuss.
Free Website Security Diagnostic
Explore the free diagnostic What is your website telling the Internet?
A quick look at your website, email protections, and public information—so you know where a closer look may be worthwhile.
A simple first check
Start with business email impersonation risk.
The $99 Business Email Security Check is a limited-time offer for a focused, secure, prioritized report. Broader assessments remain available when you need them.
Basic External Website Security Scan
A focused, externally observable review of one authorized public website.
$149Advanced External Website Security Scan
A deeper authorized assessment for a modern public website or web application.
$399External Exposure & TLS Review
A focused review of public TCP services and transport security on one specifically authorized target; it is not an application vulnerability scan.
$149Advanced Website + Email Trust Bundle
One coordinated assessment establishes a website and email-security baseline for the same approved organization. You receive one report with Website Security and Email Trust sections.
$499 one timeAfter the combined baseline is completed and accepted, Complete Security Monitoring is a separate $109/month subscription.
Why an independent assessment?
Clear evidence without replacing your IT team.
Independent perspective
See your public-facing security the way a customer, insurer, or attacker can see it.
Signal, not scanner noise
Findings are reviewed, explained in plain language, and ordered by practical importance.
A measurable baseline
Establish where you are today, then track meaningful changes through continuous monitoring.
“Know the enemy and know yourself.”— Sun Tzu
MSPs and service providers
See the MSP pathOrdering on behalf of a client?
We value the opportunity to work with Managed Service Providers (MSP). Select the MSP relationship during onboarding, identify the target organization, and complete a target-specific authorization. Once approved as an MSP you can order scans against your client domains.