Unlocking the Archive: Working with Multi-Part RAR Files (sc25624-CIS)
Open only the Part 1 file using a utility like WinRAR or 7-Zip. sc25624-CIS.part2.rar
This usually means one of the parts was corrupted during download. You may need to re-download Part 2 specifically. Safety First Unlocking the Archive: Working with Multi-Part RAR Files
If the extraction fails, double-check that Part 1 and Part 2 are in the same directory and have identical names (except for the part number). and so on
Massive repositories of security standards. How to Extract "Part 2"
Ensure you have sc25624-CIS.part1.rar , sc25624-CIS.part3.rar , and so on, in the same folder.