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A critical security issue in a popular endpoint manager (CVE-2025-61932) allowed Chinese state-sponsored attackers to backdoor Japanese businesses.
Defenders running the Cleo managed file transfer are urged to be on the lookout for the Cleopatra backdoor and other indicators of an ongoing ransomware campaign, as patching details remain foggy, and no CVE has been issued.
The emerging threat actor, potentially a Chinese state-sponsored APT, is using the known exploit kit Moonshine in cross-platform attacks that deliver a previously undisclosed backdoor called "DarkNimbus" to ethnic minorities, including Tibetans.
A targeted attack aiming to exploit geopolitical relations between India and Europe delivers previously undocumented, uniquely evasive backdoor malware.
The notorious APT15 used common malware tools and a third-generation custom 'Graphican' backdoor to continue its information gathering exploits, this time against foreign ministries.