WTF? I think this was fixed?
The text is the original text from the floppy disk version of System Shock Classic. That version had no voice acting so the "audio" logs were just glorified Marathon terminals, popularised by that awesome series (of which Ken Levine is a fan, going by the references to it in the sequel and Bioshock Infinite) and Doom 4. https://alephone.lhowon.org
This incidentally allowed the player name function to have more use as you really were just reading emails, so the name you chose for the Hacker would crop up in places. It's also why some logs have more detail in the text than the audio: it was changed slightly in the CD version with the voice acting.