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Multiple unpatched security vulnerabilities have been disclosed in Mitsubishi safety programmable logic controllers (PLCs) that could be exploited by an adversary to acquire legitimate user names registered in the module via a brute-force attack, unauthorized login to the CPU module, and even cause a denial-of-service (DoS) condition. The security weaknesses, disclosed by Nozomi Networks,

Networking equipment major Cisco has rolled out patches to address critical vulnerabilities impacting its Small Business VPN routers that could be abused by a remote attacker to execute arbitrary code and even cause a denial-of-service (DoS) condition. The issues, tracked as CVE-2021-1609 (CVSS score: 9.8) and CVE-2021-1610 (CVSS score: 7.2), reside in the web-based management interface of the

A systematic analysis of attacks against Microsoft's Internet Information Services (IIS) servers has revealed as many as 14 malware families, 10 of them newly documented, indicating that the Windows-based web server software continues to be a hotbed for natively developed malware for close to eight years. The findings were presented today by ESET malware researcher Zuzana Hromcova at the Black

An amalgam of multiple state-sponsored threat groups from China may have been behind a string of targeted attacks against Russian federal executive authorities in 2020. The latest research, published by Singapore-headquartered company Group-IB, delves into a piece of computer virus called "Webdav-O" that was detected in the intrusions, with the cybersecurity firm observing similarities between

A threat actor presumed to be of Chinese origin has been linked to a series of 10 attacks targeting Mongolia, Russia, Belarus, Canada, and the U.S. from January to July 2021 that involve the deployment of a remote access trojan (RAT) on infected systems, according to new research. The intrusions have been attributed to an advanced persistent threat named APT31 (FireEye), which is tracked by the