Cybersecurity

How Compromised Accounts Bypass Email Security

September 25, 2026 / in Blog / by Zafar Khan, RPost CEO

When the Attacker Looks Like a Trusted User.

Most email security is built around the premise - is this message safe to let into the organization's perimeter?” But today’s account takeover attacks are creating harder problems. For instance, what happens when the attacker is not sending from a suspicious domain, spoofing an executive, or attaching obvious malware? Or what happens when the attacker is already inside a legitimate email account?

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.

Should Your Cybersecurity Be Predictive or Preemptive?

May 23, 2025 / in Blog / by Zafar Khan, RPost CEO

Predictive vs. Preemptive Cybersecurity: Why Preemptive is the Future?

Rocky the raptor here, RPost’s pre-emptive cybersecurity product evangelist. Keith Fitz-Gerald, a well followed investment guru, wrote recently, “Cybersecurity isn’t sexy… Until you need it. By then, it’s too late.” This is often the challenge with risk mitigation products; cybersecurity is sort of like insurance --- but much more critical.

Trusting Sophisticated Cybercriminals: A Risky Approach in Data Breach Responses

January 10, 2025 / in Blog / by Zafar Khan, RPost CEO

Data Breach? Sure, You Will Get Your Money From the “Butcher”

Armand here, RPost’s armadillo product evangelist. I was struck by a notification from a company that faced a data breach due to cybercriminal activity. In their breach notice, the breached company wrote, “…has taken steps to ensure that the stolen data will not be publicly shared or used maliciously.

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.