Industrial manufacturer Siemens is encouraging users running devices that use its Ruggedcom protocol to apply firmware updates this week. The updates resolve a serious and remotely exploitable vulnerability that could let an attacker carry out administrative actions.

Siemens fixed a session hijacking vulnerability in its LOGO! logic module Wednesday but says a second issue, one that could help facilitate a man-in-the-middle attack, has no fix currently.

A recent batch of vulnerabilities in Honeywell building automation system software epitomize the linger security issues around SCADA and industrial control systems.

The head of an international nuclear energy consortium said this week that a cyber attack caused a ‘disruption’ at a nuclear power plant in the last several years.