Email Attacks

How Threat Intelligence Strengthens Email Security

June 19, 2026 / in Blog / by Zafar Khan, RPost CEO

Security Teams Get Earlier Warning Signs of Phishing, Impersonation, Account Compromise, & Invoice Fraud.

Threat intelligence often has a slightly glamorous (and serious) association with spying and national security activities. In email security, however, it’s slightly unglamorous; mostly involving the use of threat data, behavioral signals, sender context, domain reputation, message patterns, and recipient activity to judge whether an email is safe, suspicious, or dangerous. 

Cybercriminals are Using Gen AI to Scale Their Email Attacks

March 29, 2024 / in Blog / by Zafar Khan, RPost CEO

Cybercriminals can now subscribe to black-hat AI as easily as Netflix. 

Armand here again reporting for Tech Essentials. This week, I’m writing to you from…my mom’s basement. This is so that I can try and get in the mindset of a cybercriminal trying to leverage AI to perpetrate a sophisticated email scam.