Browsing Tag
Microsoft Exchange
5 posts
Over 29,000 Unpatched Microsoft Exchange Servers Leaving Networks at Risk
A vulnerability in Microsoft Exchange leaves over 29,000 servers vulnerable. Learn how this unpatched security hole could compromise…
August 12, 2025
New GhostContainer Malware Hits High-Value MS Exchange Servers in Asia
Kaspersky's SecureList reveals GhostContainer, a new, highly customized backdoor targeting government and high-tech organizations in Asia via Exchange server vulnerabilities. Learn how this APT malware operates and how to stay protected.
July 21, 2025
US Announces Arresting Chinese Hacker Linked to HAFNIUM Group
A Chinese state-sponsored hacker, Xu Zewei, 33, has been arrested for his alleged role in the widespread HAFNIUM cyber attacks and theft of COVID-19 research. Learn about the charges and China's Ministry of State Security involvement.
July 9, 2025
New Wave of Cyberattacks Targeting MS Exchange Servers
Cybercriminals are leveraging two exploit chains (ProxyNotShell/OWASSRF) to target Microsoft Exchange servers, as warned by Bitdefender Labs.
January 25, 2023
New Spam Attack Abusing OAuth Apps to Target Microsoft Exchange Servers
According to Microsoft 365 Defender Research Team, in an incident they analyzed, malicious OAuth applications were deployed on compromised cloud tenants, and eventually, attackers took over Exchange servers to carry out spam campaigns.
September 23, 2022