Staying Secure with the Latest OPC UA Encryption
Connecting OPC Classic clients and servers when the Windows computers are not on the same version, not in an Active Directory or domain, and having everything work well takes skill, and keeping it secure involves a lot of details. OPC UA makes such situations infinitely more workable by taking the limitations, pitfalls, and inconsistencies of DCOM out of the equation. However, the security of an OPC UA connection is only as good as the encryption algorithm being used to encrypt it.