**Network Security** Network security is the discipline of protecting the arteries of modern digital life—VPNs, routers, and traffic-relaying infrastructure—from attackers who increasingly target the connective tissue itself rather than individual endpoints. As organizations lean on remote access and encrypted channels, these pathways have become prime battlegrounds. Recent months reveal an alarming pattern of infrastructure-level compromise. Attackers chained three zero-day flaws in Ivanti Connect Secure VPN appliances to seize unauthenticated root access—Ivanti has patched only two, leaving a live wound. A critical Cisco vulnerability has been quietly exploited worldwide since 2023, while 14,000 Asus routers, mostly in the US, run malware engineered to survive takedowns. Even anonymity networks took a hit: over 300 Tor exit relays were hijacked in early October to intercept SSH credentials in transit. Meanwhile, the Nimbus Manticore group's NightLedger toolkit silently converts victim machines into covert command-and-control relays, weaponizing trusted networks from within. The takeaway is clear: perimeter assumptions are obsolete. Organizations must patch aggressively, monitor edge devices for anomalous behavior, and treat encryption infrastructure as high-value assets. For security vendors and SOC teams, this surge signals growing demand for zero-trust architectures and continuous network visibility.