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Networks · Practical guide
Network access control: plan the rollout around certificates and exceptions
A network access control rollout must handle the managed laptop, the ageing printer and the authentication outage. Build those cases into the pilot.
Networks · Practical guide
DNS resilience: test resolution before the cache runs out
Cached answers can keep an application working while DNS is already failing. Test the full resolution path and the administrative route needed to restore it.
Networks · Explainer
Network monitoring: distinguish packet loss, latency and application delay
A slow application and a red network graph can be related without having the same cause. Build monitoring that helps the team tell the difference.
Networks · Analysis
Wi-Fi 7 upgrades: check the clients before replacing the access points
Wi-Fi 7 can improve wireless capacity and reliability, but the business case depends on client devices, radio conditions and the network behind each access point.
Networks · Decision guide
SD-WAN evaluation: test the slow link before the dead link
A useful SD-WAN trial shows what happens to real applications when a circuit deteriorates, both paths struggle or the primary connection returns.
Networks · Practical guide
IPv6 migration: make security controls work on both paths
A dual-stack service has two network paths to govern. Verify policy, logging and recovery over IPv6 as well as IPv4.
Networks · Explainer
Private endpoints still need a DNS design
A private endpoint changes the network destination. DNS must lead every intended client to it without creating unintended gaps elsewhere.
Networks · Practical guide
Start network segmentation with the connection you cannot safely block
Use one business flow to turn network segmentation into an enforceable boundary, with evidence of required dependencies and blocked paths.
Cybersecurity · Analysis
A cyber resilience business case should fund the recovery bottleneck
Connect resilience spending to tested service bottlenecks, compare credible alternatives and distinguish recovery capability from speculative avoided-loss claims.
Cybersecurity · Practical guide
Security exceptions need an expiry decision, not another reminder
Make security exceptions actionable with clear exposure, ownership, interim controls and a real decision at expiry.
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