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Engineering Notes·Published July 2026

Building BlackChannel.

Email remains the number one delivery mechanism for cyberattacks.

Phishing campaigns are becoming more convincing.

Business Email Compromise continues to cost organizations billions of dollars every year.

Generative AI has made social engineering dramatically easier to scale.

Traditional filtering alone is no longer enough.

Why We Built BlackChannel

We wanted an email security platform that didn't simply ask:

Should this message be delivered?

Instead we wanted to answer:

Should this message be trusted?

BlackChannel was built around intelligent analysis instead of static filtering.

By integrating directly with Microsoft 365, we can evaluate email risk while allowing organizations to continue using the tools they're already familiar with.

Built For Ourselves First

One advantage of building software internally is accountability.

BlackChannel protects our own organization every day before it protects anyone else's.

Every improvement comes from real-world use rather than hypothetical scenarios.