« Back to all news

Prosys OPC UA Modbus Server 1.3.4 and Simulation Server 4.0.2 released


We have released new security updates for Prosys OPC UA Modbus Server and Prosys OPC UA Simulation Server.

The updates fix the known security issue in Bouncy Castle libraries, called Manger’s Attack

Read more at the release notes for Modbus Server »

Read more at the release notes for Simulation Server »

About Prosys

Prosys is a leading provider of professional OPC software and services with over 10 years of experience in the field. OPC and OPC UA (Unified Architecture) are communications standards used especially by industrial and high-tech companies.

Read more about us »

Newest blog posts

HaToDb - A demonstration on storing historical node data to a database

Using our Prosys OPC UA SDK for Java to gather historical data.

OPC UA Invalid Server Nonces Vulnerability

Security vulnerability in the OPC UA Java Stack.

Transferring data from field devices through Prosys OPC UA Historian to the cloud using AWS IoT Greengrass and SiteWise

A guide on setting up AWS IoT Greengrass/SiteWise connection to Prosys OPC UA Historian.

View all blog posts »