SlowMist's Chief Information Security Officer, 23pds, has identified a malicious bot on GitHub associated with Polymarket that is designed to steal private keys. The bot extracts keys from '.env' files and transmits them to a hacker-controlled server. The developer has been modifying the code to obscure the malicious activity. This incident highlights increasing security threats in the altcoin sector, particularly targeting automated trading tools. 23pds emphasized that this is not an isolated incident, suggesting a broader trend of similar attacks.