Cybersecurity researchers are calling attention to a spike in automated attacks targeting PHP servers, IoT devices, and cloud gateways by various botnets such as Mirai, Gafgyt, and Mozi. "These automated campaigns exploit known CVE vulnerabilities and cloud misconfigurations to gain control over exposed systems and expand botnet networks," the Qualys Threat Research Unit (TRU) said in a report shared with The Hacker News. The cybersecurity company said PHP servers have emerged as the most prominent targets of these attacks owing to the widespread use of content management systems like WordPress and Craft CMS. This, in turn, creates a large attack surface as many PHP deployments can suffer from misconfigurations, outdated plugins and themes, and insecure file storage. Some of the prominent…