Cybersecurity & Networking

Diagram of a VPN tunnel: a user device sends encrypted packets through the public internet into a secure VPN server, masking IP. And protecting data before reaching the destination.

Zero-Day Vulnerability Explained Every day, millions of software applications run

Graphic of phishing email signs: fake sender, urgent requests, unexpected links, misspellings, spoofed logos; guidance to verify sender, hover links, enable MFA, and report today..

Illustration of public key encryption: a sender uses a public key to lock a message, the receiver unlocks it with a private key, ensuring secure authenticated digital communication

Illustration of a software security patch: developer applying a shield-shaped patch to stylized code window highlighting vulnerability fix, update, and improved systems protection.

Diagram showing port forwarding: router maps external TCP/UDP ports to internal device IPs and ports, enabling external access to specific services behind a NAT firewall. For VoIP.

Network segmentation diagram: VLANs plus firewall zones isolate servers, clients plus IoT devices; arrows indicate controlled traffic paths, access rules and layered zone security.

What Is a Firewall Rule? Every second, countless data packets

Illustration of a vulnerability scan: magnifying glass over interconnected devices and servers highlighting weak points with warning icons and a progress bar indicating scan status

Diagram illustrating network topologies: star, bus, ring, mesh, hybrid Nodes and links show central hubs, point-to-point connections, redundant routes, & overall network structure.