By Johannes B. Ullrich, Ph.D. Twitter Cache Bug in Firefox
https://privacy.twitter.com/en/blog/2020/data-cache-firefox
MS-SQL Server Attack
https://www.guardicore.com/2020/04/vollgar-ms-sql-servers-under-attack/
More Zoom Vulnerabilities
https://objective-see.com/blog/blog_0x56.html
Covid-19 Economic Impact Payments Scams
https://www.justice.gov/usao-edky/press-release/file/1265371/download
Safari Camera Access Bug
https://www.ryanpickren.com/webcam-hacking-overview
More Here