Email Security
The latest Email Security coverage — news, analysis, and updates from the WindowsNews.AI desk.
Critical Security Update for Microsoft Exchange Server Hybrid Environments: Addressing CVE-2025-53786 Vulnerability
A new critical security update targeting Microsoft Exchange Server environments—specifically those deployed in hybrid cloud configurations—has rapidly gained attention among IT administrators and...
Internal Phishing Threats Exploiting Microsoft 365 Direct Send: Understanding and Defending Against SMTP Relay Abuse
A silent crisis is unfolding within Microsoft 365 environments as attackers turn the platform’s own trusted features against its users. The rise of sophisticated phishing campaigns leveraging...
How Phishing Attacks Exploit Enterprise Email Security Trust and Link Wrapping
For years, enterprise email security has been built on foundations of trust and automated threat detection—mechanisms like link wrapping and URL rewriting intended to shield organizations from the...
Rubrik and Sophos Partner to Launch Integrated Microsoft 365 Backup and Recovery Solution
In a significant move to bolster cyber resilience for Microsoft 365 users, Rubrik and Sophos have announced a strategic partnership aimed at delivering an integrated backup and recovery solution....
Exploiting Microsoft 365 Direct Send: A Rising Internal Phishing Threat and How to Mitigate It
The rapidly evolving landscape of cyber threats has once again placed Microsoft 365 at the forefront of organizational security concerns. Previously hailed as a linchpin of digital collaboration and...
Mitigating Phishing Attacks Exploiting Microsoft 365 Direct Send and SMTP Relay Vulnerabilities
Phishing attacks leveraging Microsoft 365’s Direct Send feature and unsecured SMTP relays are rapidly evolving, presenting significant risks for organizations across sectors. As cybercriminals...
Rising Cyber Threats Exploit Email Link Wrapping Vulnerabilities in Microsoft 365
A sudden spike in sophisticated cyberattacks is shaking the foundations of email security for businesses leveraging Microsoft 365. Recent investigations have revealed an alarming vulnerability within...
How Link Wrapping in Microsoft 365 Emails Became a Double-Edged Sword in Advanced Phishing Attacks
Cloudflare’s recent analysis of a wave of advanced phishing attacks targeting Microsoft 365 users has sent shockwaves across the cybersecurity community, exposing paradoxes at the heart of modern...
Sophisticated Microsoft 365 Phishing Attacks: Exploiting Security Features from Within
The digital arms race between cyber defenders and adversaries has reached a new inflection point, one that rattles the very foundations of trust in modern email and identity security. For Microsoft...
Phishing Attacks Weaponize Trusted Email Security Tools: A 2025 Cybersecurity Warning
The cybersecurity landscape has entered a new era, marked by an insidious twist: the very tools enterprises rely on to protect against phishing and credential theft are now being weaponized by...
Exploiting Link Wrapping: The New Frontier in Enterprise Phishing Attacks
As email remains both the backbone and the Achilles’ heel of the modern digital enterprise, the battlefield between cyber defenders and inventive attackers has never been more treacherous. The...
How Cybercriminals Exploit Trusted Email Security to Breach Microsoft 365
Cybercriminal activity is propelling a seismic change in the security calculus for organizations using Microsoft 365, with attackers now audaciously subverting the very email security mechanisms that...