A popular Reddit thread has shared a CISSP (Certified Information Systems Security Professional) cheatsheet for exam preparation. The post, titled "Cissp Cheatsheet," provides an 11x17 inch reference guide covering various domains and topics relevant to the certification exam.

The thread features multiple users sharing their positive experiences with the cheatsheet, with some even crediting it as a key factor in their passing the exam. While some users asked about good sources for training, others recommended specific online courses or resources.

Source: https://old.reddit.com/r/cissp/comments/uzpwcw/cissp_cheatsheet_for_exam_preparation/