Executive summary: Varonis has surfaced an active phishing campaign that spoofs internal users by abusing Microsoft 365’s Direct Send feature. Because Direct Send doesn’t require authentication and is treated as “internal,” these messages often bypass the checks you rely on for outside mail. Microsoft now offers an opt-in switch, RejectDirectSend, to block the pathway, but…Continue Reading: Attackers are abusing Microsoft 365: Here’s how to stay protected
DMARC
How the EU can mandate stronger email security
Executive summary: The article examines how the EU can proactively close email security gaps by leveraging the NIS2 Directive to mandate robust, harmonized standards like DMARC, DKIM, and SPF across all member states. By acting now, the EU not only protects its digital ecosystem but also sets a global benchmark for cybersecurity best practices. Key…Continue Reading: How the EU can mandate stronger email security
Healthcare and cybersecurity: 73% of breaches lack DMARC enforcement
The healthcare sector has become a target for both low-level and occasionally spectacularly successful cyberattacks. Hospitals, insurers, medical supply chains, service providers and medical organizations are prime targets for threat actors, with email phishing attacks, ransomware, and data breaches on the rise. In 2024, 94% of U.S. healthcare organizations experienced a cyberattack, with the average cost per…Continue Reading: Healthcare and cybersecurity: 73% of breaches lack DMARC enforcement
VMC and CMC: What are the new requirements?
Executive Summary: Staying updated on Verified Mark Certificates (VMCs) and Certified Mark Certificates (CMCs) is crucial for organizations aiming to authenticate their logos and enhance brand trust in email communications. Discover the key changes in the latest security requirements and compare the differences between VMCs and CMCs. This article: Introduction Verified Mark Certificates (VMCs) and Common…Continue Reading: VMC and CMC: What are the new requirements?
Why implementing DMARC is essential for Aviation
If you’re in aviation and not yet at DMARC enforcement (p=reject), you’re behind. Cyberattacks on airlines, airports, and aerospace companies are up 131% in just one year. Phishing and Business Email Compromise (BEC) scams are hammering the industry, costing millions, causing chaos, and damaging customer trust. Attackers aren’t just targeting your customers; they’re using your brand…Continue Reading: Why implementing DMARC is essential for Aviation
Why DMARC should top your MSP roadmap in 2025
Executive summary: Email remains the easiest way for criminals to reach customers, and major mailbox providers have decided that unauthenticated mail is no longer welcome. Google and Yahoo started rejecting bulk messages without DMARC in early 2024, and Microsoft 365 will follow in 2025. Yet only 9.7% of the world’s 73 million active domains even…Continue Reading: Why DMARC should top your MSP roadmap in 2025
