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Technical analyses, malware reverse-engineering write-ups, and research findings.

September 13, 2026•8 min read

How I combined free-tier SMTPs to send as many emails as I want for free

Every cloud provider gives you a generous free email tier—until you hit their strict daily sending ceiling. Here's how I built a transparent SMTP proxy that pools free tiers, handles quotas, and fails over without touching application code.

networkingsmtpinfrastructureside-projectssystems

February 28, 2024•8 min read•TLP:CLEAR

Threat Analysis Report: Malicious Campaign Targeting Israeli Entities Amidst 'Iron Swords' Conflict

During the Iron Swords conflict between Israel and Hamas, the Israel National Cyber Directorate (INCD) received complaints regarding a malicious email campaign targeting Israeli ci...

securitymalware-analysisreverse-engineering