email security

Why Real-Time Threat Detection Matters in Email Security

May 28, 2026 / in Blog / by Zafar Khan, RPost CEO

Attacks Don’t Wait for the Next Audit, Report, Or Manual Review Queue.

Email attacks are now built around timing. A phishing email does not need to sit in an inbox for days to create damage. A user can click in minutes, a finance team can act on a fake vendor request before anyone checks the sender, a malicious link can look harmless at delivery and turn dangerous later, or a reply can come from a compromised account inside a trusted thread and bypass the usual suspicion that comes with a new sender.

Signature-Based Detection vs Behavioral Analytics in Cybersecurity

May 05, 2026 / in Blog / by Zafar Khan, RPost CEO

Modern Security Architecture’s Shift From Reactive to Preemptive

Most cyberattacks don’t look malicious anymore; rather, they’re as normal as they can be. An email arrives from a known vendor, the tone matches past conversations, the timing aligns with an active transaction... Nothing triggers suspicion until money moves or data leaks.

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.

Email Account Takeover Replaces Man-in-the-Middle Attacks: What You Need to Know

September 05, 2025 / in Blog / by Zafar Khan, RPost CEO

The Proverbial Cybersecurity “Man-in-the-Middle” Attack Not In Vogue Anymore...

Hey there, Rocky the Raptor here, swooping in to chat about a big shift in the world of cyber threats. Back in the day, companies (especially law firms) worried a lot about what we used to call a “Man-in-the-Middle” attack.