The Threatpost editors break down the top security stories of the week ended Oct. 16, including:

• Patch Tuesday insanity, with Microsoft and Adobe releasing fixes for severe vulnerabilities - including a critical, potentially wormable remote code execution Microsoft vulnerability
• Barnes and Noble being hacked - and why some readers are unhappy with how the book purveyor announced the cyberattack
• DDoS extortion email threats hitting various companies across the globe - including Travelex
• Zoom finally rolling out end-to-end encryption on the video conferencing platform - and why this is different than the video conferencing application's earlier "full encryption" claims