An oversight can open the door to threats. Over the past five years, eScan's decision to deliver antivirus updates via HTTP has left the door wide open for man-in-the-middle attacks. Researchers observed a surge in Chinese and Russian cyberespionage groups targeting edge devices. In other news, a new malware has entered the threat landscape. Named Samurai Stealer, the malware boasts multiple advanced functionalities. Read on for more.