issue · biweekly · est. 2026
Field notes on lateral security, micro-segmentation, east-west detection, and application delivery — covering the products shaping how we defend and connect internal networks. Written for the security and network engineers actually configuring the distributed firewalls and load balancers.
new writing on the 1st & 15th of every month
the latest
Avi 32.1.1 lands native VCF 9.1 integration, MCP load balancing for AI agent workloads, and the same licensing model change shipping in SSP 5.1.2. Here's what it means in practice.
read the essay →SSP 5.1.2 ships License Hub — a centralized licensing layer for vDefend and Avi that replaces 25-character keys with subscription files. Here's what's changing and what it requires if you're planning an SSP 5.1.2 upgrade.
read the essay →also in the archive
A messaging broker RCE hit CISA's actively-exploited list in April with a 30-day patch window. Here's what happens when you won't make it — and where vDefend virtual patching fills the gap.
On the shrinking gap between disclosure and exploitation — and what vDefend's April update actually means for the people running the change board.