The "Microsoft Windows 2000 Security Technical Reference" by John Hayday & Internet is a comprehensive textbook focusing on computer security within the Windows desktop operating system. Published by Microsoft Press in 2000, this trade paperback book is part of the Microsoft Technical Reference Series and covers a wide range of topics related to securing Windows 2000 systems. With over 500 pages and written in English, this technical reference guide is designed for a high-level audience seeking in-depth information on operating system security measures and best practices.