Microsoft may give your encryption key to law enforcement upon valid request - here's how to keep it safe

Microsoft's BitLocker is a security feature built into Windows that encrypts the entire hard drive. The idea is to protect your personal files from prying eyes in case your PC is ever lost or stolen.
IEEE

An Efficient Attribute-Based Multikeyword Searchable Encryption With Access Policy Hiding in IoT Using Blockchain

Abstract: With the rapid development of the Internet of Things (IoT), data is experiencing exponential growth. To ensure security and privacy, more data is being stored encrypted. Consequently, ...