Jeff Johnson

Contact StopTheMadness Support

For personal correspondence,
my email address begins with contact-me
and ends with the domain of this web site.

Blog

GitHub

Mastodon

Apple Security Credits

About the security content of macOS Sequoia 15
LaunchServices
CVE-2024-54560

About the security content of Safari 17.5
About the security content of macOS Sonoma 14.5
WebKit Web Inspector
CVE-2024-27820

About the security content of macOS Ventura 13.4
About the security content of iOS 16.5 and iPadOS 16.5
Sandbox
CVE-2023-32357

About the security content of Safari 16
About the security content of macOS Ventura 13
WebKit Storage
CVE-2022-32833

About the security content of Safari 13.1
Safari Extensions

About the security content of macOS Mojave 10.14.6
Classroom

About the security content of macOS Mojave 10.14.1
Automator
CVE-2018-4468

About the security content of Safari 5.0.3 and Safari 4.1.3
About the security content of iOS 4.2
WebKit
CVE-2010-3813

Employment

Underpass App Company, sole proprietorship (2016 - Current)
Owner and Software Engineer:

Rogue Amoeba Software (2008 - 2016)
Software Engineer:

Company blog references:

Francis Technical Services (now FTS InfoTech) (2007 - 2008)
Software Engineer:

  • Radar, a Mac client for Apple's bug tracking system
  • Sonar, a Mac app used by Apple Developer Relations and iTunes Store Support to track emails with customers
  • Merlin, a Mac payroll app
  • Espresso, a Mac client for Apple's trouble ticket tracking system
  • BuildIT, a Mac app that served as a template for creating other internal business apps

Marko Karppinen & Co. (now Richie) (2006 - 2007)
Software Engineer:

  • Knox, a consumer Mac app for easy use and sync of encrypted file vaults (sold to AgileBits, makers of 1Password, in 2010)
  • Pyro, a Mac client for Basecamp's Campfire chat

Previous Open Source

Vienna (2006 - 2010)
Co-lead engineer and project administrator, at times sole engineer

ClickToFlash (2009 - 2010)
Engineer (#2 commit contributor) and project administrator

Education

University of Wisconsin at Madison
B.S. and M.A. in Philosophy