Attackers are increasingly using PowerShell as a preferred tool for executing malicious scripts and commands. A new PowerShell backdoor enables threat actors to deploy additional malware using advanced obfuscation techniques. In other news, attackers are targeting Microsoft OneDrive users and deceiving them into executing a PowerShell script in a phishing campaign. As per a report, security controls on macOS endpoints thwarted only 23% of attacks, whereas Windows and Linux managed to prevent 62% and 65% of attacks, respectively. Here are the top cybersecurity highlights from the past 24 hours.