A Comprehensive Guide to Enterprise Network Security: From Firewalls to Intrusion Detection
March 22, 2026
A Friday Afternoon Crisis: Ransomware Strikes an SME At 4 p.m. on a Friday, alarm spread through the R&D department of an 80-person smart manufacturing company in Beijing: all critical design files had been encrypted, and a red ransom message appeared on screen demanding payment in Bitcoin to unlock them. Meanwhile, reception phones were overwhelmed with calls, customers could no longer access the order system, and office operations ground to a halt. IT manager Wang attempted to connect remotely, only