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

Apple Security Credits

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