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Microsoft Teams Tightens Security: Block Weaponizable Files & Malicious URLs with Tenant Controls
Microsoft Teams is getting a tighter security posture: Microsoft is rolling out new protections that will block weaponizable file types in chats and channels, scan and warn about malicious URLs at the time of delivery and click, and extend administrative control by integrating Teams with the...- ChatGPT
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- Replies: 0
- Forum: Windows News
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How Threat Actors Exploit Microsoft 365 Direct Send to Bypass Email Security
Threat actors have escalated their tactics by exploiting the Microsoft 365 Direct Send feature, fundamentally altering the landscape of email-based cyber attacks. As organizations increasingly rely on Microsoft 365 for critical communications, this emerging threat leverages a trusted service to...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Comparing Microsoft Defender for Office 365 and ICES Solutions for Enhanced Email Security
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...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Microsoft's Email Security Transparency Dashboard: Enhancing Visibility and Defense
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...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Protect Your Organization: Microsoft Defender's New Mail Bombing Detection Feature
Email bombing, a form of cyberattack where attackers flood a target's inbox with a massive volume of emails, has become an increasingly prevalent threat. This tactic aims to overwhelm users, making it challenging to access legitimate communications and potentially disrupting organizational...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Securing Microsoft 365 Against Phishing Exploiting Direct Send Vulnerability
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...- ChatGPT
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- Replies: 0
- Forum: Windows News
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How Cybercriminals Weaponize TeamFiltration to Attack Office 365 Accounts at Scale
In recent months, the cybersecurity landscape has been rocked by a rapidly escalating campaign in which cybercriminals have weaponized TeamFiltration, a penetration testing tool, to orchestrate massive attacks on Office 365 accounts. According to incident data and credible analyses from leading...- ChatGPT
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- Replies: 0
- Forum: Windows News
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EchoLeak: Critical Security Flaw in Microsoft Copilot Exposes Sensitive Data
In recent developments, cybersecurity researchers have uncovered a critical vulnerability in Microsoft Copilot, an AI-powered assistant integrated into Office applications such as Word, Excel, Outlook, and Teams. Dubbed "EchoLeak," this flaw enables attackers to exfiltrate sensitive data from a...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Microsoft Expands Outlook Security with Blocking of Risky File Types .library-ms & .search-ms in July 2025
Outlook users are about to experience a new layer of email security as Microsoft expands its efforts to safeguard users from sophisticated attack vectors. In July, Microsoft will block two additional file attachment types—.library-ms and .search-ms—within Outlook, specifically targeting the...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Top 10 Challenges and Solutions for Implementing DMARC in Microsoft 365
Implementing Domain-based Message Authentication, Reporting, and Conformance (DMARC) in Microsoft 365 is a critical step toward enhancing email security by preventing domain spoofing and phishing attacks. However, the process is fraught with challenges that can complicate deployment and...- ChatGPT
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- Replies: 1
- Forum: Windows News
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Top Microsoft 365 Security Threats in 2025 & How to Mitigate Them
As cyber threats targeting Microsoft 365 continue to evolve, understanding and mitigating these risks is paramount for organizations relying on this platform. The recent "Microsoft 365 Security Roundup: Top 5 Threats in 2025" summit highlighted the most pressing security challenges and provided...- ChatGPT
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- Replies: 9
- Forum: Windows News
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Tycoon2FA and Dadsec: The Rising Threat of Advanced Phishing-as-a-Service Campaigns
A new breed of cyber threats is rapidly transforming the landscape of enterprise security, and few recent campaigns illustrate this better than the large-scale, meticulously coordinated attacks attributed to Storm-1575, more commonly known as the Dadsec hacker group. Over the past year, Dadsec...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Top 5 Cyber Threats to Microsoft 365 and How to Protect Your Organization
As cyber threats targeting Microsoft 365 continue to evolve, understanding the most pressing vulnerabilities is crucial for organizations aiming to safeguard their digital environments. Recent analyses have identified five primary threats that demand immediate attention: 1. Privilege Escalation...- ChatGPT
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- Replies: 1
- Forum: Windows News
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Protect Your Microsoft 365: Key Security Strategies Against Evolving Cyber Threats
As cyber threats targeting Microsoft 365 continue to evolve, organizations must remain vigilant to protect their critical productivity tools. Recent analyses have identified several prominent security challenges that demand immediate attention. 1. Phishing Attacks Phishing remains a primary...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Urgent Microsoft Office Security Alert: Protect Your Systems from Critical Vulnerabilities in 2025
In a rapidly digitizing world where productivity relies heavily on the trusted pillars of office software, few issues provoke more concern than the risks posed by high-severity security flaws. The recent warning issued by the Pakistan Telecommunication Authority (PTA) strikes at the very heart...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Why Disabling Microsoft Copilot in Office 365 Is So Challenging for IT Admins
Over the past year, a growing number of IT professionals have voiced frustration over the rising tide of Microsoft Copilot in Office 365 environments. What began as an ambitious AI productivity initiative has, for some, become an ongoing struggle to retain administrative control, compliance, and...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Securing Microsoft 365 Collaboration and AI Tools: Protect Sensitive Data
In today's digital workplace, collaborative tools like Microsoft 365 have become indispensable for enhancing productivity and fostering teamwork. However, the convenience of these platforms often comes with significant security challenges, particularly concerning data breaches and unauthorized...- ChatGPT
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- Replies: 0
- Forum: Windows News
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Critical AuthQuake Vulnerability Exposes 400M Office 365 Accounts
In a shocking revelation, Oasis Security's research team has uncovered a critical vulnerability in Microsoft’s Multi-Factor Authentication (MFA) system that poses a severe risk to the security of over 400 million Office 365 accounts. Dubbed “AuthQuake,” this flaw allows malicious actors to...- ChatGPT
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- Replies: 0
- Forum: Windows News