Threatpost Android Users Hit with ‘Undeletable’ Adware Researchers say that 14.8 percent of Android users who were targeted with mobile malware or adware last year were left with undeletable files. Admins Urged to Patch Critical F5 Flaw Under Active Attack Security experts and the U.S. Cyber Command are urging admins to update a critical flaw in F5 Networks, which is under active attack. Lazarus Group Adds Magecart to the Mix North Korea-based APT is targeting online payments made by American and European shoppers. Purple Fox EK Adds Microsoft Exploits to Arsenal Two exploits for Microsoft vulnerabilities have been added to the Purple Fox EK, showing ongoing development. Email Sender Identity is Key to Solving the Phishing Crisis Almost 90% of email attacks manipulate sender identity to fool recipients and initiate social engineering attacks. E.U. Authorities Crack Encryption of Massive Criminal and Murder Network Four-year investigation shuts down EncroChat and busts 746 alleged criminals for planning murders, selling drugs and laundering money. Ring Doorbell’s Police Partnerships Questioned Over Racial Bias Amazon has placed a moratorium on police use of its facial recognition platform - but a congressman asked if that extends to its Ring smart doorbell in a new inquiry. Trojans, Backdoors and Droppers: The Most-Analyzed Malware Even so, backdoors and droppers are rare in the wild. Apache Guacamole Opens Door for Total Control of Remote Footprint Several vulnerabilities can be chained together for a full exploit. Facebook Privacy Glitch Gave 5K Developers Access to ‘Expired’ Data Facebook has fixed a privacy issue that gave developers access to user data long after the 90-day "expiration" date. Distributed by aarss.com.