Articles | Parsa Shirafkan | Cybersecurity & Network Security Specialist

Nov 2, 2026 · 6 min read

Cisco Secure Network Analytics (Stealthwatch): seeing what your network is actually doing

How Cisco SNA turns the flow telemetry your network already produces into always-on visibility, including east-west and encrypted traffic, and how its components fit together.

Nov 2, 2026 · 5 min read

Splunk Enterprise Security Premier and the move toward an agentic SOC

A look at what Splunk ES Premier adds over Essentials (native SOAR and UEBA), how the AI assistant fits in, and what an agentic SOC could mean for analysts.

Nov 2, 2026 · 5 min read

From monitoring to observability: SolarWinds Observability Self-Hosted (formerly HCO)

What changed when SolarWinds renamed Hybrid Cloud Observability to SolarWinds Observability Self-Hosted, and what the platform covers across network, infrastructure, applications and cloud.

Nov 2, 2026 · 8 min read

Cisco ESA and SMA clustering: design and rollout notes

A practical walkthrough of a two-node Cisco Secure Email Gateway cluster managed from a Security Management Appliance: architecture, sizing, ports, setup steps and acceptance tests.

Nov 2, 2026 · 7 min read

ManageEngine OpManager with failover: design and rollout notes

How I design and build a highly available OpManager monitoring platform: primary and standby servers on a shared MSSQL database, sizing, ports, installation order and failover testing.