Search Results: NetworkSecurity

Network Mapper (nmap) remains an indispensable open-source tool for auditing and securing infrastructure. We break down five practical nmap techniques that help identify vulnerabilities, open ports, and live hosts—critical knowledge for maintaining robust network defenses.

Unencrypted DNS queries expose your browsing history to ISPs, revealing everything from streaming habits to shopping patterns. Discover how a layered approach using DNS-over-TLS, AdGuard Home, and DNS-over-HTTP/3 can encrypt your data, block trackers, and even boost browsing speeds. This blueprint offers a fail-safe solution for developers and tech enthusiasts to reclaim their digital privacy.

WatchGuard has patched a severe remote code execution vulnerability (CVE-2025-9242) affecting Firebox firewalls using IKEv2 VPN configurations. Exploitation could let attackers hijack network appliances—even if vulnerable settings were previously deleted. The disclosure follows a pattern of firewall-targeting attacks by ransomware groups.

Over 100,000 leaked documents reveal how Geedge Networks, a Chinese firm with ties to the architect of China's censorship system, is selling mass surveillance and internet-blocking technology to governments worldwide. The systems enable real-time monitoring, VPN detection, and targeted repression, raising alarms about the proliferation of digital authoritarianism.

Deploying VPNs at the router level delivers comprehensive network-wide security without per-device setups. We evaluate top hardware balancing encryption, throughput, and manageability for developers and security-conscious households.

TP-Link's new BE3600 travel router brings enterprise-grade Wi-Fi 7 connectivity to your pocket, enabling secure, high-speed internet access anywhere. With dual-band 3.6Gbps speeds, VPN support, and 90-device capacity, it transforms unreliable hotel and airport networks into private hubs.