email threats

A new wave of cyberattacks has exposed a dangerous flaw in trusted email security services, as hackers have successfully exploited protective link-wrapping features to orchestrate large-scale phishing campaigns targeting Microsoft 365 logins. By hijacking the mechanisms designed to keep users...

In the ever-evolving landscape of cybersecurity, email remains a primary vector for attacks such as phishing, malware, and business email compromise (BEC). To bolster defenses, organizations often deploy a combination of native security solutions and third-party tools. Microsoft Defender for...

For years, organizations have wrestled with the challenge of understanding and optimizing their email security posture within enterprise environments. Email remains a top vector for both opportunistic and targeted attacks—phishing, business email compromise, and malware routinely slip through...

Microsoft’s recent move toward greater transparency in email security effectiveness offers a timely and much-needed step forward for organizations seeking to stay a step ahead of relentless and evolving cyber threats. Over the past decade, the threat landscape has shifted dramatically...

Phishing attacks remain a relentless challenge in the digital security landscape, and for organizations relying on Microsoft 365, the stakes have never been higher. As business email compromise, credential theft, and weaponized attachments evolve—often powered by artificial intelligence—security...

Microsoft is once again raising the bar in enterprise email security with the rollout of Mail Bombing Detection in Microsoft Defender for Office 365, a move set to strengthen defenses against one of the most disruptive cyberattack trends affecting organizations worldwide—email bombing. As attack...

Email bombing, a cyberattack technique that inundates a target's inbox with a deluge of emails, has long been a tool for malicious actors aiming to disrupt communication channels and mask more insidious activities. Recognizing the escalating threat posed by such attacks, Microsoft has introduced...

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...

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...

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...

Microsoft has unveiled a new security feature within its Defender for Office 365 suite aimed at mitigating the rising threat of email bombing attacks. This feature, termed "Mail Bombing Detection," is designed to automatically identify and quarantine high-volume email flooding campaigns that...

Microsoft’s recent expansion of its Defender for Office 365 platform signals another significant step toward creating a holistic, adaptive, and integrated email security solution for enterprises navigating increasingly complex threat landscapes. The latest announcement introduces a broad ICES...

In a continuous effort to bolster email security, Microsoft has announced an expansion of its list of blocked file types for attachments in Outlook on the Web and the New Outlook for Windows. Starting in early July 2025, the company will add two new file extensions to the BlockedFileTypes list...

Proofpoint’s headline-grabbing $1 billion agreement to acquire Hornetsecurity marks a pivotal moment in the rapidly evolving landscape of cloud security, underscoring the intensifying arms race among vendors to secure Microsoft 365-powered businesses. As email threats become increasingly...

Exchange Online, a critical part of the Microsoft 365 ecosystem, has once again found itself under scrutiny following another high-profile incident involving its anti-spam detection systems. Beginning on April 25, a wave of Gmail emails intended for Exchange Online users were suddenly and...

To understand the state of EUC (end-user computing) security in 2025, you don’t need a crystal ball—just good shoes. At least, that’s the consensus after navigating the RSA Conference’s sprawling Moscone Center, where tracking down the future of endpoint and email security looks suspiciously...

The Ultimate Guide to the Best Email Security Solutions in 2025 In a world where email remains at the very core of business communication, the prevalence of cyber threats targeting this medium has never been higher. As we step into 2025, the sophistication of attacks has intensified, with...

Imagine logging into your Microsoft 365 account only to find a threatening email that feels too real to dismiss. Unfortunately, this vivid nightmare has recently come true for many users across the globe. In a concerning security incident, hackers have exploited Microsoft 365's official...

With Office 365, we continue to invest in new protections against malicious email attacks. Today Shobhit Sahay from the Office 365 team walks through seven new Exchange Online Protection (EOP) and Advanced Threat Protection (ATP) features that proactively identify and block the most dangerous...