Day: May 13, 2026

Why Your Enterprise Should Be Thinking About IPv6 Today Last week I was at a client site troubleshooting a network problem: a printer had IPv4 bound on both addresses, yet clients simply could not discover it. Changing the DNS cache and restarting services did nothing. In the end, the culprit was a switch ACL filtering out mDNS IPv6 multicast traffic. I have been running into this kind of pitfall more and more often over the past three years — not…

Stage 1: Know your assets before you talk about identity governance. Zero trust does not begin with buying appliances and installing software — it begins with getting a clear answer to “who are you.” I have seen too many companies rush into zero trust without even being able to say how many servers or business accounts they have, and end up wasting money. The first task is asset inventory. Not just servers and PCs, but also the accounts across every business system — on some legacy systems you cannot even find…

Last month a foreign-trade auto parts company in Shunyi came to us. Their IT manager, Lao Zhou, walked in and sighed: “Our servers are locked, a supplier is chasing us for a quote, and a customer order is stuck. The ransom is 3 bitcoins — should we pay?” We have taken on more than ten cases like this in the past two years. Lao Zhou didn’t pay in the end and chose to restore from backup — but the cost was 72 hours of downtime, and the business…