credential theft

A wave of highly sophisticated phishing attacks has put Microsoft 365 users—and the very foundations of modern email security—at risk, exposing a perilous paradox: the same technologies designed to protect cloud productivity platforms are now being systematically exploited to facilitate...

A sophisticated phishing campaign exploiting trusted email security tools has rattled the cybersecurity landscape, exposing a dismally clever strategy that turns protective mechanisms into attack vectors. Between June and July 2025, researchers at Cloudflare uncovered an operation wherein...

Attackers have found a chillingly effective way to subvert defenses integrated into the heart of enterprise email security. According to new research from Cloudflare, threat actors are actively exploiting “link wrapping” services—offered by reputable vendors like Proofpoint and Intermedia—to...

Cybercriminals are once again redefining the threat landscape, this time by exploiting trusted email security mechanisms to compromise Microsoft 365 accounts. In a sophisticated new campaign, threat actors have weaponized link-wrapping services—previously considered pillars of safe email...

Cybercriminals have once again proven their adaptability by leveraging trusted technology—from cybersecurity companies themselves—to bypass email defenses and target Microsoft 365 users. In a revealing discovery, threat actors have been exploiting link-wrapping services from well-known vendors...

Phishing campaigns continue to evolve, adapting to security systems and adopting new tactics to dupe even vigilant users. Recent findings have uncovered a sophisticated Microsoft MFA phishing scheme that leverages the OAuth authorization framework—specifically, Microsoft OAuth applications—to...

Phishing campaigns have always shaped themselves around the contours of new technology, but the latest surge targeting Microsoft OAuth applications marks a seismic shift in both attacker strategy and the effectiveness of their exploits. In 2025, security researchers uncovered a wave of hybrid...

Phishing campaigns have always evolved in tandem with advances in enterprise security, but the latest wave targeting Microsoft OAuth applications represents a stunning leap in both sophistication and effectiveness. This ongoing campaign, first identified in early 2025, exemplifies a new breed of...

Disaster resilience in the cloud era is often painted as a technical sprint towards ever-better backups, clever failovers, and bulletproof storage replication. But beneath the shiny surface of business continuity lies a quieter, sometimes overlooked foundational truth: identity is the keystone...

The npm JavaScript ecosystem has once again been rocked by a coordinated malware campaign, this time targeting both cross-platform and Windows-specific environments through widely trusted packages. The incident, centered around the highly popular "is" package and several linting tools associated...

Interlock ransomware has quickly ascended from a little-known name in late 2024 to a top-tier threat that’s been hammering organizations across North America and Europe through 2025. While other ransomware groups have faltered or faded, Interlock actors show a relentless willingness to innovate...

Britain’s cybersecurity landscape is once again in sharp focus after confirmation that the UK’s National Cyber Security Centre (NCSC) has detected a “limited number” of domestic victims in the recent Microsoft hack campaign. While not on the scale of some prior, sweeping incidents, the attack...

In recent developments, cybersecurity researchers have uncovered a sophisticated phishing toolkit named PoisonSeed, designed to circumvent the robust protections offered by FIDO2 authentication. This malicious tool targets users of Microsoft 365, Google Workspace, and Okta by redirecting their...

The UK National Cyber Security Centre (NCSC) has formally attributed the 'Authentic Antics' malware attacks to APT28, also known as Fancy Bear, a threat actor linked to Russia's military intelligence service (GRU). This sophisticated malware campaign targets Microsoft 365 users, aiming to steal...

In an era where enterprise networks are under increasing threat from ever-more sophisticated adversaries, Microsoft’s introduction of delegated Managed Service Accounts (dMSAs) in Windows Server 2025 was heralded as a transformational leap for Windows security. Promising to eradicate a host of...

A critical vulnerability in DotNetNuke (DNN), catalogued as CVE-2025-52488, has placed the spotlight on the complex interplay of Windows file system operations, .NET behavior, and subtle Unicode normalization pitfalls. Although DNN is recognized for its robust enterprise-ready architecture and...

Important Security Update: Multi-Factor Authentication (MFA) Now Mandatory To enhance the security of our community and protect user accounts, WindowsForum.com now requires multi-factor authentication (MFA) for all accounts. This is no longer optional. Why MFA? The rise in credential theft and...

NTLM relay attacks, once thought to be a relic of the past, have re-emerged as a significant threat in modern Active Directory environments. Despite years of research and incremental security improvements, most enterprise domains remain susceptible to these attacks, creating wide-reaching risks...

The cybersecurity landscape has never been more volatile, and few recent warnings have reflected this more acutely than the joint Fact Sheet released by the Cybersecurity and Infrastructure Security Agency (CISA) in collaboration with the Federal Bureau of Investigation (FBI), the Department of...

For many organizations, the expectation is that internal communications on their Microsoft 365 tenants are inherently more trustworthy—after all, who would question an authentication-free email from the company’s own domain? Yet a recent investigation by the Varonis Managed Data Detection and...