Port scanning response on client perimeter

Overview

Internet background noise hits every public IP—know when to yawn vs escalate.

Classify

Known researcher sweeps vs targeted sequential probing with exploit fingerprints following.

Actions

Correlate with IDS; verify unexpected services listening; temporary block sources with care (avoid self-DoS).

Client brief

“Scans happen constantly; we alarm on successful authentications or anomalous payloads.”

Forensics

Retain PCAP slices when incident declared.