Head Mare APT Exploits TrueConf Server Flaws to Deploy PhantomCore Backdoor Cybercriminals Head Mare APT Exploits TrueConf Server Flaws to Deploy PhantomCore Backdoor Do Son August 17, 2026 0 A Head Mare TrueConf attack chains two zero-days to install the PhantomCore backdoor via a trojanized client.
Do Son