Foresight News reports that Slow Fog's Chief Information Security Officer, 23pds, tweeted that the cryptocurrency theft Trojan MacOS Stealer has been open-sourced. Previously, its attack source code was sold for 1 BTC, and now the open-sourcing means that more malicious attackers can easily access this tool. 'This not only allows each attacker to have a library of attacks, but it may also give rise to more covert and complex attack methods, posing greater challenges to the security of cryptocurrency assets.'