cybersecurity Kremlin-Linked Hackers Exploit Critical Exchange Server Flaw with Stealthy New Malware Russian state-sponsored hackers are actively exploiting a maximum-severity vulnerability in Microsoft Exchange Server to backdoor unpatched systems and steal sensitive credentials. Security researchers at Proofpoint identify the threat actor as TA488, a group operating on behalf of the Kremlin and also tracked as Laundry Bear and Void Blizzard. The group
microsoft exchange Chinese Cyber Espionage Group Hacks 30,000 US Organizations via Microsoft Exchange Flaws A Chinese hacking group known as Hafnium exploits newly discovered Microsoft Exchange Server vulnerabilities to compromise tens of thousands of US organizations. The attackers install web shells on victim servers to maintain persistent remote control and steal sensitive email communications.
microsoft exchange Ransomware Targets Tens of Thousands of Vulnerable Microsoft Exchange Servers Hackers deploy DearCry ransomware on unprotected Microsoft Exchange servers using the same vulnerabilities exploited by a Chinese espionage group. Government agencies warn that thousands of organizations remain at high risk despite available security patches.
microsoft exchange Thousands of Organizations Still Vulnerable to Microsoft Exchange Server Hack A Chinese state-sponsored hacking group exploits legacy on-premises Exchange servers to install web shells and prepare for future attacks. Despite available patches, many organizations remain exposed.
microsoft exchange State-Sponsored Hackers Exploit Unpatched Microsoft Exchange Servers A Chinese hacking group known as Hafnium attacks thousands of organizations using Microsoft Exchange Server vulnerabilities called ProxyLogon. Many legacy systems remain unpatched, leaving less mature businesses vulnerable to ongoing cyber threats.
microsoft exchange Massive Global Cyberattack Exploits Microsoft Exchange Server Flaws A widespread cyberattack leverages four zero-day vulnerabilities in Microsoft Exchange Servers, compromising over 250,000 servers worldwide. Attackers gain full access to emails and install persistent backdoors that security updates cannot fix.
microsoft exchange Microsoft Exchange Zero-Day Flaws Actively Exploited in Ongoing Attacks Threat actors actively exploit newly discovered zero-day vulnerabilities in Microsoft Exchange servers, posing significant risks to unpatched organizations. Security researchers urge immediate mitigation to prevent unauthorized access and data theft.
microsoft exchange Microsoft Exchange Zero-Day Attacks Impact Tens of Thousands Globally Multiple threat groups exploit critical Microsoft Exchange Server vulnerabilities, leaving tens of thousands of organizations compromised. Patching alone is insufficient due to the long period attackers had to establish backdoors.