API rate limiting protects capacity and user experience. This guide shows how to ship it correctly on NGINX: define limit_req zones, tune burst/nodelay, add per-IP and per-token limits, return proper 429s with Retry-After, and combine limit_conn for connection abuse. You’ll get production-ready snippets and a safe rollout plan.
Spin up a free SIEM home lab this weekend. You’ll deploy Wazuh or OpenSearch, collect Windows telemetry with Sysmon, and run Sigma detections you can actually see and tune. This guide prioritizes students and hobbyists: minimal hardware, copy-paste steps, and safe tests so you learn detection engineering not just dashboards.
Business email compromise drains budgets with executive spoofing and invoice fraud. This practical Microsoft 365 guide shows nine rules that actually stop BEC: tuned anti-phish and impersonation, Safe Links and Safe Attachments, SPF/DKIM/DMARC, phishing-resistant MFA with Conditional Access, external sender tags, mailbox hygiene, attack simulation, and a short incident playbook.
Passkeys let your WordPress users sign in with device biometrics or hardware keys no passwords and far less phishing. This no-coding 2025 guide shows trusted plugins, exact setup steps, enrollment tips, and rollout strategy so you can enable passwordless login quickly without breaking wp-login, WooCommerce, or your admin workflows.
Zero Trust in 2025 means verifying every request and limiting access by default. This guide turns principles into a deployable plan: identity-first controls, phishing-resistant MFA, device posture checks, microsegmentation, and centralized policy decisions. Start with fast wins, measure risk reduction, and scale confidently.