Veteran owned. Michigan rooted.

Stronger security.
For what matters.

Your people. Your operations. Your community.
We help protect the systems they depend on.

Let’s talk security Explore our services
Cybersecurity that gets stronger over time.
Strength through security.01 — 03
Karhu bear emblem
Assess.Harden.Defend.

Built for organizations
people count on.

Local governmentK–12 educationBusinessesManufacturing & defense

The Karhu approach

Make progress.
Build resilience.

Security improves when the right safeguards are put to work. We help you understand your exposure, close the gaps, and keep improving as your organization changes.

01

Know where you stand.

Get a clear picture of the weaknesses that matter to your operations, with priorities your team can act on.

02

Put protection in place.

Harden identities, endpoints, networks, and cloud environments. Include the AI tools your team uses.

03

Keep moving forward.

Connect daily defense to a practical roadmap, with clear ownership and progress you can see.

How we work with you

Our capabilities

A complete view.
A capable team.

Bring together the people who test your defenses, strengthen your environment, and respond when it matters.

01

Threat Detection & Response

Around-the-clock monitoring, investigation, and response to help stop threats from becoming incidents.

02

Penetration Testing

Discover how weaknesses can be connected and exploited, with a clear path to remediation.

03

Security Engineering

Strengthen identities, endpoints, networks, and cloud infrastructure with practical safeguards.

04

Virtual CISO & Security Roadmap

Translate risk into an achievable plan with priorities, ownership, and progress leadership can follow.

View all capabilities

Who we protect

Your work is essential.
So is protecting it.

From a county courthouse to a growing company, your environment deserves a security plan that understands how you operate.

Find your organization
01Counties & Municipalities02K–12 Schools03Growing Businesses04Manufacturing & Defense

Trusted in our communities

Knowing that we have Karhu on our team has given us peace of mind.
Ben L.Michigan County Administrator
Karhu Cyber tailored their attack vector techniques to be unique to our infrastructure which was extremely important and necessary to us to gain actual value out of the assessment.
Operations Executive
Karhu Cyber’s detailed enumeration, testing methodology, and steps employed gave us a great deal of confidence in the results of their findings.
VP of Engineering
Their team of experts took the time to understand our unique needs as a local government entity and provided us with a customized solution that fit within our budget.
Michigan County Administrator
The Karhu Cyber team is a group of consummate security professionals who deliver white glove customer service.
Brent H.Lead Scientist
Karhu Cyber is a mission critical partner.
Jeff H.CEO
The practical insights and hands-on examples shared by the instructors empower our employees to recognize and respond to security risks proactively, thereby bolstering our overall cybersecurity posture.
Michigan County Administrator
For any organization serious about security, Karhu Cyber is a trusted partner that will challenge assumptions, expose weaknesses, and provide the clarity needed to strengthen defenses.
CEO
Our engagement with Karhu Cyber was overwhelmingly positive. Their professionalism, knowledge, and commitment were evident at every step.
Executive Director of TechnologyK-12 School District

Testimonial 1 of 9: Ben L., Michigan County Administrator.

The people behind the protection

Grounded in Michigan.
Driven by sisu.

We’re a veteran-owned cybersecurity company with a practical belief: the organizations that serve our communities deserve people who show up, take ownership, and do the work.

Meet Karhu

Start with a conversation

Let’s make your next
security decision clearer.

Talk with Karhu