Cybersecurity & Networking

Illustration of an IT team implementing email security best practices: encrypted locked envelope, shield icon, multi-factor authentication prompt, phishing checklist, secure server

Diagram showing steps for deploying an Intrusion Detection System (IDS): network traffic monitoring signature and anomaly detection, alerting, logging, rule tuning, integration and

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Regular security audits scan systems, test vulnerabilities, review logs and policies, fix weaknesses to meet compliance, lower breach risk, and preserve customer and business trust

Harden Linux server: keep system updated, reduce services, enforce key-based SSH + MFA, enable firewall and SELinux/AppArmor, monitor logs, use IDS, and maintain encrypted backups.

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Illustration of securing remote desktop access: user logging in with strong password and MFA encrypted VPN, tunnel, firewall and updates icons, monitoring alerts and device checks.

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Step-by-step visual guide showing a user enabling two-factor authentication: open account settings, choose 2FA, scan QR with authenticator app, enter code, confirm setup. Securely.

Diagram showing DNS security concepts: DNSSEC chain of trust with signed records and keys, and encrypted DoH queries over HTTPS protecting privacy; blocking tampering and spoofing.

Screenshot of Wireshark capture window displaying live packet list, protocol details, and packet bytes pane; filters applied to isolate HTTP and DNS traffic for analysis. Overview.

2025 network segmentation best practices diagram: microsegmentation, zero trust zones, RBAC, encrypted east-west traffic, automated policy orchestration, continuous monitoring. ops