Playful Dragon is an alternate name for the group known as Ke3chang

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The Playful Dragon is an advanced persistent threat (APT) that has been active since at least 2013, targeting organizations in various industries including government agencies and defense contractors. The group\'s primary focus appears to be on stealing sensitive information such as intellectual property or classified data. They have used a variety of tactics, techniques, and procedures (TTP) to gain access to their targets, including spear-phishing emails with malicious attachments, exploiting vulnerabilities in software, and using social engineering methods like impersonation. The group has been linked to several high-profile breaches, such as the 2014 Sony Pictures Entertainment hack.

Techniques, tactics and practices:

The Playful Dragon has used a variety of TTPs to gain access to their targets. Some examples include spear-phishing emails with malicious attachments, exploiting vulnerabilities in software, and using social engineering methods like impersonation. They have also been known to use sophisticated tools such as rootkits and keyloggers to maintain a persistent presence on compromised systems. Additionally, they may conduct reconnaissance activities to gather information about their targets before launching an attack.