Caramel Tsunami is a threat actor that specializes in spyware attacks. They have recently resurfaced with an updated toolset and zero-day exploits, targeting specific victims through watering hole attacks. Candiru has been observed exploiting vulnerabilities in popular browsers like Google Chrome and using third-party signed drivers to gain access to the Windows kernel. They have also been linked to other spyware vendors and have been associated with extensive abuses of their surveillance tools.