Mmastodon TechnologyCybersecurity first seen 3 d ago, last 3 d ago, peak #1
Network segmentation often exists on paper only, security experts warn
Original: Ask a network team whether they segment and most will say yes. Then check what an ordinary user laptop can reach. In ple
Network teams routinely claim their systems are segmented, but in many organisations an ordinary user laptop can reach most of the estate. The gap comes from treating segmentation as a diagramming exercise, with VLANs drawn on plans but no actual enforcement behind them. Security practitioners are urging teams to verify real reachability rather than trust network maps, and referencing guidance from the UK's NCSC on practical segmentation controls.
Why now: Growing concern that assumed network segmentation is not actually enforced, leaving organisations exposed to lateral movement
NCSCnetwork teamsinfosec practitioners
Rank over time, top of the chart is #1. 2 snapshots from 3 d ago to 3 d ago.
Evidence
- Ask a network team whether they segment and most will say yes. Then check what an ordinary user laptop can reach. In plenty of organisations the answer is most of the estate. It usually fails as a drawing exercise, with VLANs on a diagram and no enforcement behind them. NCSC's… · adrianhollister@infosec.exchange · 2
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