Prevention-First Cybersecurity

Know More.
Miss Less.

Intrusion is a prevention-first cybersecurity company. Most security stacks detect threats after they're inside and alert you once the damage is underway. We take a different position: we see every connection moving in and out of your network and block bad traffic before it becomes a breach.

Here you'll find the Shield platform, the Global Threat Engine that powers it, and the prevention-first approach behind both.

See How Shield Works Run a Proof of Value

WHAT YOU CAN'T SEE WILL HURT YOU.

When was the last time your stack showed you everything leaving your network?

Packet sampling. Encrypted traffic. Outbound blind spots. Misconfigured firewalls. Unmanaged devices nobody bothered to patch.

Every gap is a door. Every door is a way in, and a way back out for exfiltration. Most security stacks accept this as the cost of doing business.

Shield doesn't.

It sees every connection, then blocks the ones that shouldn't be there. Both directions. No sampling. No baselining. No exceptions.

No Learning Curve. No Grace Period. No Waiting.

Shield protects from the second it's deployed. No 30-day baseline. No tuning window. No "let's see what normal looks like." The Global Threat Engine has been building IP and DNS reputation since 2001. 8.5 billion combinations today. Shield checks every connection against it and drops the malicious ones autonomously, in-line, both directions.

See How Shield Works

Three Things Detection-Only Platforms Can't Say.

Most security stacks watch and wait. Shield blocks. That difference shows up three ways.

We Don't Detect. We Block.

Detection tells you something bad already happened. Shield stops the connection before the threat lands. No alerts. No incident response. No "lessons learned" memo.

Built By Us. Since 2001.

The Global Threat Engine isn't a licensed feed or a community share. 8.5 billion IP and DNS combinations. Built by Intrusion, owned by Intrusion, sharper than anything you can subscribe to.

Inbound. Outbound. In-Line.

Most platforms watch one direction and hope. Shield enforces both. Drops into your existing architecture in minutes. No agent on every device. No backhaul. No drama.

The Shield Platforms