ASUSTOR network-attached storage (NAS) devices have become the latest victim of Deadbolt ransomware, less than a month after similar attacks singled out QNAP NAS appliances. <!--adsense--> In response to the infections, the company has released firmware updates (ADM 4.0.4.RQO2) to "fix related security issues." The company is also urging users to take the following actions to keep data secure –