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Defensive Security·Feb 27, 2026·6 min read
Email Security Is Still the Front Door
Sublime Security rules derived from real-world attacks, plus disciplined DMARC/SPF/DKIM — the unglamorous controls that stop most intrusions.
Phishing remains the most reliable way into an organization. Not zero-days — email.
Authoring custom Sublime Security detection rules from attacks we actually observed across clients, and keeping DMARC/SPF/DKIM posture tight, does more for most companies than any shiny new tool.
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