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Acquired byAVAST Software

General Information

185 Clara Street
San Francisco, CA, 94107
Gollierstr. 70A
Munich, 80339, DEU


CEO & Founder
CTO & Co-Founder

Tags, is a leading privacy protection company dedicated to making the use of social networks and apps a safe experience for all. joined AVAST Software, maker of the world’s most popular antivirus, in May 2013.

The company’s sophisticated cloud service is connected to Facebook, the center of most social online lives, where helps users keep sensitive information private, take control over the apps they use and avoid oversharing. is the number 1 Facebook security app, with 150,000 daily active users of all ages in more than 100 countries and ten different languages today. was created by the two visionaries Mario Grobholz and Christian Sigl in 2009, based on proven research and content analysis technology they invented in 2007. has offices in San Francisco, California and Munich, Germany.

Recent Milestones

  • Handshake was acquired by AVAST Software. (5/1/13)
    Posted 5/6/13 at 4:38am via
  • Check — Launch App Security Mobile, mobile app (iOS) for app security (10/1/12)
    Posted 2/5/13 at 3:04am
  • Check — Launch App Security Network, free app monitoring service (8/1/12)
    Posted 10/19/12 at 4:58am via
  • Check — Launch App Security Extension, browser extension for app security (8/1/12)
    Posted 10/19/12 at 5:00am via
  • Check — Launch, free Facebook monitoring, 10 languages, Web & Facebook app; follower of; closed beta (11/1/11)
    Posted 10/19/12 at 4:45am via
  • Check added Mario Grobholz as CEO & Founder.
    Posted 10/25/11 at 4:19am
  • Check added Christian Sigl as CTO & Co-Founder.
    Posted 10/25/11 at 4:19am


Screenshots screenshot
Above: Scan
Uploaded: 5/23/12 screenshot screenshot screenshot


  1. Privacy and IT Security Protection get Married ( [edit]
  2. Launches Social Privacy Monitoring Tool For The World After Gaining A Foothold In Germany ( [edit]
    A new site shields consumers from data-hungry apps ( [edit] launches website, browser extensions to protect users from data-hungry Facebook apps ( [edit]
    Citation Needed [add]
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Last Edited 10/16/13

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