BIG-IP APM under attack: malware injects PHP web shell into memory via known flaw. #CyberSecurity #WebShell #F5BIGIP #CVE2025-53521 #MemoryBasedMalware #APM https://thedailytechfeed.com/f5-big-ip-apm-malware-injects-web-shell-in-memory-evades-disk-detection/