Subscribe to the Fortra Cybersecurity Blog

Subscribe today and we'll save you time and effort by emailing a quick overview of our top picks every Wednesday. Join our 15,000+ subscribers and stay informed.

Editor's Pick

Phishing
The $5 Million Threat: AI Is Supercharging Phishing Attacks
By Graham Cluley on Thu, 07/30/2026
fortra-cmmc-for-government
NIST SP 800-171 Revision 3: What Changed, What CMMC Contractors Need to Know, and How to Prepare
By Drew Ellis on Wed, 07/29/2026
Individual Display Name Impersonation (IDNI) Model
By Diego Andres Barbosa Trujillo on Wed, 07/15/2026

Blog

DMARC setup guide
SPF Email Record Explained: What It Is and How It Works
By Cybersecurity Experts at Fortra on Fri, 08/12/2022
DKIM Guide: How to Set Up the Email Standard Step by Step
By Cybersecurity Experts at Fortra on Fri, 08/12/2022
Office 365 + DMARC: Best Practices for Protecting Your Company & Customers From Phishing Attacks
By Cybersecurity Experts at Fortra on Fri, 08/12/2022
SMTPS: Securing SMTP and the Differences Between SSL, TLS, and the Ports They Use
By Cybersecurity Experts at Fortra on Fri, 08/12/2022
What is DMARC? Effects on Email Spoofing & Deliverability
By What is DMARC? Effects on Email Spoofing & Deliverability on Fri, 08/12/2022
Man on multiple computers in dark room
What Is Email Spoofing & How to Stop Attackers from Spoofing Your Email Address
By What Is Email Spoofing & How to Stop Attackers from Spoofing Your Email Address on Fri, 08/12/2022
Data Classification
What is Data Classification? A Data Classification Definition
By What is Data Classification? A Data Classification Definition on Wed, 06/21/2017