Rheinmetall AG and Defence Construction Canada (DCC), both major defense contractors, were each at the receiving end of disruptive cyberattacks this month. Rheinmetall AG has been hit with what the firm referred to as “malware attacks” since September 24. As a result, the “normal production processes ” at company’s plants in Brazil, Mexico and the US have been significantly disrupted. The company says that it may take between two to four weeks to resolve all issues resulting from the attacks.

Separately, DCC suffered a “cyber incident” on September 11 that disrupted various IT systems. The company has launched in investigation into the attack and is currently still working to fully recover all impacted systems.

Read more: Cyber-Attacks Hit Defense Contractors in Europe and North America