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

Imitation
Imitation May Be the Highest Form of Flattery, But Brand Impersonation Is Not
By Heather Wiederhoeft on Mon, 08/25/2025
dmarc-hygiene
Understanding DMARC Reports
By Understanding DMARC Reports on Mon, 10/07/2024
Cybersecurity
How to Defend Against Stegomalware
By How to Defend Against Stegomalware on Tue, 10/01/2024
Hidden Data
What You Need to Know About Stegomalware
By What You Need to Know About Stegomalware on Tue, 10/01/2024
man-coding
How to Set Up DMARC: Step-by-Step Guide
By How to Set Up DMARC: Step-by-Step Guide on Fri, 08/12/2022
External Threats in Cybersecurity
What Are External Security Threats?
By Cybersecurity Experts at Fortra on Fri, 08/23/2024
Microsoft Office 365 + Cloud Email Gateway: All You Need in a Cloud-First World
By Microsoft Office 365 + Cloud Email Gateway: All You Need in a Cloud-First World on Fri, 08/12/2022
set-up-dmarc-policy
What Is a DMARC Policy?: The 3 Types, Which to Implement & Other Requirements
By What Is a DMARC Policy?: The 3 Types, Which to Implement & Other Requirements on Fri, 08/12/2022
man-laptop
DMARC Quarantine vs. DMARC Reject: Which Should You Implement?
By DMARC Quarantine vs. DMARC Reject: Which Should You Implement? on Fri, 08/12/2022
DKIM vs. SPF Email Standards: Do I Need Them Both?
By Cybersecurity Experts at Fortra on Fri, 08/12/2022
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
Man on multiple computers in dark room
What Is Email Spoofing & How You Protect Against It
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
TLS Email Encryption Explained: What It Is and How to Use It
By Cybersecurity Experts at Fortra on Fri, 08/12/2022
How to Implement the BIMI-Selector Header for Multiple Brands
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
DMARC 101 (Part I) – S/MIME, SPF, and DKIM
By DMARC 101 (Part I) – S/MIME, SPF, and DKIM on Fri, 08/12/2022