Digital intruders recently broke into two major tech suppliers - utility-technology firm Itron and medical-device maker Medtronic - according to filings with federal regulators. Itron, in a late Friday US Securities and Exchange Commission (SEC) filing, said it was notified about the unauthorized third-party break-in on April 13.  The $4 billion company that provides smart meters, sensors, and software for energy, water, and city management said it alerted law enforcement and worked with external cybersecurity advisors to investigate the intrusion. "The Company took action to remediate and remove the unauthorized activity and has not observed any subsequent unauthorized activity within its corporate systems," according to Itron's 8-K report .…