Anomaly Detection

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?

Why Threat Intelligence Reports Are Too Late & How RAPTOR AI Stops Threats in Real-Time

July 11, 2025 / in Blog / by Zafar Khan, RPost CEO

Cybercriminals Don’t Wait for Your Next Team Meeting. Neither Should Your Defense.

Rocky the raptor here, RPost’s cybersecurity product evangelist. I’ve seen a lot from my perch high above the cyber battlefield. Here’s a fact: once a cybercriminal makes their move, they’re not lumbering around looking for an open door; they’re sprinting through it, dumping your data into the dark web before you’ve even had your first coffee.

Anomaly Detection in Email Behavior of Employees and Contractors

October 20, 2023 / in Blog / by Zafar Khan, RPost CEO

It’s worse than we thought when it comes to funding weapons.

A few months ago, we at Tech Essentials unveiled a new AI security technology by RMail that analyzes vast amounts of ever-changing data sets to hunt for cybercriminals in real time; cybercriminals who are actively eavesdropping on email which is a precursor to luring people into paying fake invoices or worse (read more). 

">