Phishing Attacks

AI vs. Rule-Based Email Security: What Actually Changes for BEC Protection

April 22, 2026 / in Blog / by Zafar Khan, RPost CEO

How AI Improves What Rules Alone Miss.

Enterprises already know that the inbox is one of the easiest ways for attackers to get into the business. The real question is narrower: when vendors say they use AI-based email security, what actually changes compared with rule-based, traditional email security?

The Role of AI in Modern Email Security

April 17, 2026 / in Blog / by Zafar Khan, RPost CEO

How AI is Strengthening Email Security Beyond Static Rules.

Just a year or so ago, email security was mostly about blocking what looked obviously bad, such as known malicious links, suspicious attachments, spoofed domains, and spammy language. All of that is still relevant, but today’s attacks often look normal, timely, and believable with AI. And it’s why AI itself has become critical in email security.