Microsoft Exchange

Entity category: technology

Business

Ransomware Attack Hits SmarterMail via Critical Flaw

A ransomware attack on SmarterTools began via an unpatched, employee-created virtual machine running outdated SmarterMail software, which allowed lateral movement…

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Business

Cybercrime Broker Admits Selling Access to 50 Corporate Networks

A Jordanian man, Feras Khalil Ahmad Albashiti, pleaded guilty to fraud for selling illegal access to the networks of dozens…

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BigTech Companies

Secure Your Microsoft Exchange Servers: CISA & NSA Guidance

A joint advisory from cybersecurity agencies recommends a proactive, multi-layered security strategy for Microsoft Exchange servers, including decommissioning outdated on-premises…

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BigTech Companies

How ‘Murky Panda’ Hackers Breach Cloud Customers

A Chinese state-sponsored hacking group known as Murky Panda or Silk Typhoon exploits trusted cloud service relationships to infiltrate networks…

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BigTech Companies

29,000 Unpatched Servers Still Vulnerable to Microsoft Exchange Flaw

Over 29,000 Microsoft Exchange servers remain vulnerable to CVE-2025-53786, a critical flaw allowing attackers to escalate access in hybrid cloud…

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BigTech Companies

Microsoft Exchange Vulnerability Threatens Hybrid Cloud Security

A critical Microsoft Exchange vulnerability (CVE-2025-53786, CVSS 8.0) threatens hybrid cloud environments, enabling privilege escalation across on-premises and cloud systems…

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BigTech Companies

Microsoft SharePoint Zero-Day Exploit Sparks Widespread Attacks

A critical zero-day vulnerability in Microsoft SharePoint (CVE-2025-53771) is being actively exploited, risking data breaches for businesses and government agencies.…

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BigTech Companies

Washington Post email hack exposes journalists’ accounts

A sophisticated cyberattack targeted Washington Post journalists, compromising email accounts of reporters covering national security, economic policy, and China, with…

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