ARC isan email authentication system that preserves trust and integrity across intermediaries, ensuring legitimate emails are recognized even after multiple hops. It is an important setup for your email ecosystem! 

With this 30-second summary, quickly understand what is DMARC all about and what you can do to protect your organization from common email threats.

The email security landscape is increasingly shaped by robust protocols for authentication, data protection, and secure communication. Among these, MTA-STS is emerging as a critical standard, strengthening the enforcement of encrypted channels for email delivery. 

Phishing attacks, which trick users into revealing sensitive information or installing malware, have grown more sophisticated and localized. Putting it simple: the frauds you'll get in Portugal are completely different from US, Singapore or any other place. 

As the largest players in the email space acknowledge the need for DMARC, the entire ecosystem will become restricted to the ones following the rules. 

Kent Ickler // TL;DR: This post describes the process of building an active system to automatically recon SPF violations. Disclaimer: There are parts of this build that might not be legal […]

The post Offensive SPF: How to Automate Anti-Phishing Reconnaissance Using Sender Policy Framework appeared first on Black Hills Information Security, Inc..

Kent Ickler and Derrick Rauch* // Sun Protection Factor Err… wait a second. Sender Policy Framework Ladies and Gentlemen of the class of 1997, Wear Sunscreen…I will dispense my advice, […]

The post How to Configure SPFv1: Explained for the Masses appeared first on Black Hills Information Security, Inc..