email security

Hackers are increasingly exploiting one of Microsoft 365’s lesser-known conveniences—Direct Send—to launch sophisticated phishing campaigns that closely mimic internal communications, putting even well-defended organizations at serious risk. As recent research from Varonis and corroborating...

In recent months, cybersecurity researchers have uncovered a sophisticated phishing campaign that exploits Microsoft 365's "Direct Send" feature to impersonate internal users and bypass traditional email security measures. This technique has targeted over 70 organizations, primarily in the...

In a sobering development for the cloud security landscape, new research has exposed how Microsoft 365’s Direct Send feature—a tool primarily designed for seamless internal communication—has become a significant vector for phishing attacks. As organizations of all sizes deepen their reliance on...

Phishing attacks continue to challenge organizations worldwide, evolving in sophistication and leveraging the very tools designed to enhance digital communication. An alarming new campaign has emerged wherein cybercriminals exploit Microsoft 365’s Direct Send feature—traditionally trusted for...

In a rapidly evolving digital landscape where email remains the single largest attack vector for organizations worldwide, the announcement of a strategic partnership between KnowBe4 and Microsoft marks a pivotal advancement in enterprise cybersecurity frameworks. At the intersection of cloud...

Sophisticated cybercriminals have recently demonstrated yet another way to exploit trust in internal communications—this time, by leveraging a Microsoft 365 feature originally intended for convenience. The Varonis Managed Data Detection and Response (MDDR) forensic team has uncovered a striking...

Hackers continue to evolve their tactics, and with sophisticated attacks targeting even the most mature enterprise technology stacks, the recent exploitation of Microsoft 365’s Direct Send feature underscores the persistent cat-and-mouse game between IT teams and cybercriminals. Direct Send, a...

Microsoft 365 has long positioned itself as a secure, enterprise-grade communication and productivity suite, trusted by thousands of organizations worldwide. Yet, as threat actors grow in sophistication, even the most well-intentioned features can be cleverly subverted to bypass traditional...

In a significant move to bolster email security, KnowBe4 and Microsoft have announced a strategic integration aimed at enhancing protection for organizations using Microsoft 365. This collaboration introduces KnowBe4 Defend, a solution designed to complement Microsoft's existing email security...

In recent months, a sophisticated phishing campaign has exploited Microsoft 365's Direct Send feature, targeting over 70 organizations across the United States. This attack method allows cybercriminals to impersonate internal users and deliver phishing emails that bypass traditional security...

In recent months, a sophisticated phishing campaign has exploited Microsoft 365's "Direct Send" feature, targeting over 70 organizations, primarily in the United States. This attack method allows cybercriminals to impersonate internal users and deliver phishing emails without compromising...

A sophisticated phishing campaign has been exploiting Microsoft 365's Direct Send feature, targeting over 70 organizations across various sectors in the United States since May 2025. This attack underscores the evolving tactics of cybercriminals and highlights the need for organizations to...

A new wave of phishing attacks has cast a harsh spotlight on the security assumptions underlying Microsoft 365, as cybercriminals adapt with alarming speed to exploit lesser-known features. Over the past two months, a sophisticated campaign has targeted more than 70 organizations across critical...

Microsoft's latest iteration of Outlook for Windows 11 has undergone significant enhancements, aiming to provide a more modern and efficient email experience. This article delves into the key improvements, analyzes user feedback, and evaluates whether it's time for users to embrace the new...

The constantly evolving landscape of email-based cyber threats has long challenged organizations striving to protect sensitive business communications and safeguard end users. With social engineering, phishing, and advanced persistent threats now moving at a pace that strains even the most...

Microsoft 365 tenants across the United States have recently become the focal point of a sophisticated, widespread phishing campaign that leverages a rarely-discussed but highly impactful vulnerability in Exchange Online’s Direct Send feature. Security researchers have confirmed that, since May...

Here’s a summary of the news: KnowBe4 and Microsoft have announced a strategic integration aimed at boosting email security for organizations using Microsoft 365. This collaboration involves KnowBe4 Defend integrating with Microsoft Defender for Office 365, particularly its quarantine...

In the rapidly evolving digital landscape, email remains one of the most persistent attack surfaces for cybercriminals, and with attacks growing more sophisticated, enterprise reliance on powerful security platforms has become indispensable. Microsoft, a perennial leader in cloud-based...

Few security challenges expose both the evolving sophistication of cybercriminal tactics and the unintended weaknesses of enterprise cloud platforms as starkly as the recent abuse of Microsoft 365’s “Direct Send” feature. In a rapidly intensifying phishing campaign discovered in May 2025, threat...

In a significant move to bolster email security, KnowBe4 has announced a strategic integration with Microsoft, marking the first initiative within Microsoft's Integrated Cloud Email Security (ICES) vendor ecosystem. This collaboration aims to enhance protection for mutual customers by combining...