Topic
Security practice of dividing networks into isolated zones to limit lateral movement and contain breaches, often separating IT from OT systems.
ANSSI says stolen staff passwords let an attacker take data on about 600,000 French taxpayers and firms, and the theft went undetected for seven weeks. Its report blames password-only portals, a flat government network and a reset that left the attacker's session open.
Reality
ANSSI says an attacker used dozens of stolen DGFIP staff passwords on password-only portals to take data on over 600,000 French taxpayers and businesses. For other operators, the fixes are login checks on devices they do not manage and a password reset that also ends live sessions.
Reality
Keio Corporation shut its network after ransomware hit its group servers on September 26, disrupting payments and the business behind its 25 hotels. Its trains appear unaffected. Investigators have not yet traced the attack path, so it is still unknown whether a designed boundary kept rail out of reach.
Reality
The controllers that failed in July sat on public cellular links, outside the network boundaries utilities spent years hardening, and the only municipal record of those SIMs is a line on a carrier invoice.
Reality
An engineer who has run it in production across four regions makes the case for moving a Transit Gateway mesh into Cloud WAN segments, where routing intent sits in one versioned policy and AWS owns the inter-region path.
Reality
The Sept. 22 study of 2.5 million devices in 209 organizations found cameras alone in 51 of 2,266 camera segments, and Black Hills Information Security's John Strand says the true isolation rate is lower.
Perspective Coverage
3 publishersReality
Two ZoomEye dorks run on 2026-09-16 returned 40,917 assets on port 502 and 161,769 on port 102. Both protocols leave authentication out of the base specification, so the count measures who can reach the port.
Reality
AI-assisted code analysis keeps finding old bugs in software that certified and unsupported OT cannot update. Talos answers with deep packet inspection on the path in and VLAN segmentation built on how little OT talks.
Reality
Three seized domains and a roughly 390-item indicator list arrive with no named bank victim, so any institution running the listed products has to answer a multi-year exposure question out of whatever logs it happened to keep.
Reality
Scott Alldridge argues that the standard controls all exist on paper and go untested under pressure. His replacement audit is four operational questions. Three of them can only be answered by running the test.
Reality
CISA's March 31 advisory assigns CVE-2026-3356 to all versions of four Anritsu Remote Spectrum Monitor models whose management interface has no authentication to switch on. The vendor has no plans to fix it.
Reality
A vendor CEO says poisoned weights and hostile MCP servers remain demo material, while attackers register the package names your coding assistant invents.
Reality
Pentest Partners found corporate wireless coverage in an OT control room putting office devices on the control LAN. Firewall rules were not where the segmentation broke.
Reality