Threat actors with ties to China have been observed using an updated version of a backdoor called COOLCLIENT in cyber espionage attacks in 2025 to facilitate comprehensive data theft from infected endpoints.The activity has been attributed to Mustang Panda (aka Earth Preta, Fireant, HoneyMyte, Polaris, and Twill Typhoon) with the intrusions primarily directed against government entities located
First seen on thehackernews.com
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