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OnSystem Defender’s Application Hardening ability is the best defense against both malware and attacks via application flaws that routinely bypass existing endpoint defenses to deliver ransomware, supply chain (SolarWinds) and any other variety of attack. It is a must have addition to your existing defenses on all endpoints, servers, workstations, laptops, virtual or physical, inside or outside of containers, connected or standalone, and even air-gapped environments.

Non-Bypassable Design

Unlike traditional and new generation antivirus / antimalware products OnSystem Defender is designed so it cannot be circumvented.

Supports All Users

Simultaneously supports your mobile workforce, on-premise users and enterprise servers.

Stronger Security

Significantly reduce the risk profile and risk score of your enterprise.

Defend Zero-Day Attacks

OnSystem Defender protects your Enterprise from Zero-Day attacks.

Adds Security Layer

Provides a true additional layer of application security on top of your existing anti virus software solution.

Reduce App Patching

Significantly reduces the need for immediate application patching consequently reducing the costs of traditional patching.

Ease of Use

For your security department with a 30 minute installation process as well as your users.

Lives in Harmony

With your current defenses.

Customer Testimonials for OnSystem Defender

“OnSystem Logic Provides Friction-Free EndPoint Protection for UMBC’s High-Risk Desktops”

Jack Suess, CIO, UMBC

“We highly recommend OnSystem Defender for any enterprise wishing to maintain the highest level of security for their enterprise.”

Michael Heffner, CTO, Loch Harbour

“We realized that this product is uniquely capable of stopping new malware attacks.“

Joseph DelGrippo, CTO, Kaleido Health Solutions

OnSystem Defender Evaluation Program

Call: (443) 494-9398 to learn more, or signup now.

Take Full Control

Use the OnSystem Defender Management Console to protect your workstations and servers. Simply identify each machine in your environment that you wish to protect and the attacks stop immediately


OnSystem Logic examines and remedies new or unknown application behaviors within 24 hours. You’ll receive an instant notification with an impact statement.