Sans Internet Storm Center Daily Network/cyber Security And Information Security Podcast

Excel 4 Macros: "Abnormal Sheet Visibility" https://isc.sans.edu/forums/diary/Excel+4+Macros+Abnormal+Sheet+Visibility/26726/ HP Printer Applications Certificate Revoked https://eclecticlight.co/2020/10/23/why-have-my-hp-printers-stopped-working-how-to-check-their-software-signature/ Link Previews and Privacy https://www.mysk.blog/2020/10/25/link-previews/