Complex sentence: It was released on August 1,1998 by the US hacker organisation Cult of the Dead Cow to demonstrate, according to the cult, the lack of security in Microsoft's operating system Windows 98.
Split into simpler sentences: It was released on August 1,1998 by the US hacker organisation Cult of the Dead Cow. According to the group, its purpose was to demonstrate the lack of security in Microsoft's operating system Windows 98.