Store all PLC passwords in a secure, company-wide password manager.

Prevents the program from being uploaded from the PLC to a PC. Task Passwords: Protects specific sections of the code.

There are third-party software tools and scripts designed to "crack" or bypass Omron passwords (such as those for the CPM, CQM, or CJ series). These tools typically work by exploiting vulnerabilities in the communication protocol (Host Link or FINS).