While "All" is a lie, "Some" is true. Here are the legitimate free tools and methods currently circulating in engineering forums (PLCtalk.net, MrPLC, Reddit r/PLC).
October 26, 2023 Subject: Cybersecurity, Industrial Control Systems (ICS), and Operational Technology (OT) Maintenance all plc amp hmi password unlock tool free
While the interest in accessing PLCs and HMIs might stem from legitimate needs, it's crucial to approach such needs through authorized and secure channels. The use of "password unlock tools" for unauthorized access poses significant risks to security, safety, and compliance. Always follow best practices and engage with manufacturers or certified professionals for assistance with password recovery or system access. While "All" is a lie, "Some" is true