Classic S7-300 blocks are secured using basic hexadecimal obfuscation routines rather than cryptographic multi-factor mechanisms.
Password required for any access, including monitoring. passwordfindplc siemens s7keys7v314 verified
Without "verified," you risk downloading ransomware into your engineering workstation—which is often connected to live production lines. That risk is unacceptable. Classic S7-300 blocks are secured using basic hexadecimal