Cybersecurity & Networking

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 attempt to

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.

A honeynet is a network of decoy systems and services deployed to attract, observe, and analyze attackers, capture malware and tactics, and improve defensive strategies. forensics.

Certificate Authority icon: trusted issuer of digital certificates for websites and identities, validating public keys to enable encrypted connections and establish trust securely.

Diagram of data exfiltration: server files and arrows moving to external drives and cloud, showing unauthorized data transfer and theft via network breach. privacy and compliance!!

Zero Trust security identity-verified users and devices, microsegmented network, continuous auth, least-privilege access, encrypted traffic, active monitoring, policy enforcement .

Graphic showing SSH key authentication: a private key kept on the user's device and a public key on the server used to create a secure, passwordless encrypted channel between them.

Illustration showing DNSSEC protecting DNS with digital signatures and a chain of trust from root to TLD to authoritative servers, validating responses and preventing cache poison.