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==Acquisition by Twitter== ==Acquisition by Twitter==
On 28 November 2011, Twitter announced that has acquired Whisper Systems for an undisclosed amount.<ref>{{cite web|author=November 28, 2011 | Tom Cheredar |url=http://venturebeat.com/2011/11/28/twitter-buys-whisper-systems/ |title=Twitter acquires Android security startup Whisper Systems |publisher=VentureBeat |date=2011-11-28 |accessdate=2011-12-21}}</ref> Immediately following the acquisition, Whisper System's RedPhone service was made unavailable, and has not yet been re-released.<ref>{{cite web|author=Andy Greenberg |url=http://www.forbes.com/sites/andygreenberg/2011/11/28/twitter-acquires-moxie-marlinspikes-encryption-startup-whisper-systems/ |title=Twitter Acquires Moxie Marlinspike's Encryption Startup Whisper Systems |publisher=Forbes |date=2011-11-28 |accessdate=2011-12-21}}</ref> However, some have criticized this removal, arguing that it was "specifically targeted people under repressive regimes" and that it left people like the Egyptians in "a dangerous position."<ref>{{cite web|last=Garling |first=Caleb |url=http://www.wired.com/wiredenterprise/2011/11/twitter-buys-moxie/ |title=Twitter Buys Some Middle East Moxie &#124; Wired Enterprise |publisher=Wired.com |date= |accessdate=2011-12-21}}</ref> Whisper System's TextSecure software, however was still made available as Twitter made the encryption program ] by releasing its source code.<ref name="wired1"/> On 28 November 2011, Twitter announced that has acquired Whisper Systems for an undisclosed amount.<ref>{{cite web|author=November 28, 2011 | Tom Cheredar |url=http://venturebeat.com/2011/11/28/twitter-buys-whisper-systems/ |title=Twitter acquires Android security startup Whisper Systems |publisher=VentureBeat |date=2011-11-28 |accessdate=2011-12-21}}</ref>


==References== ==References==

Revision as of 16:54, 23 December 2011

Whisper Systems
IndustryCryptography
Computer security
FounderMoxie Marlinspike and Stuart Anderson
HeadquartersSan Francisco, California, U.S.
Area servedWorldwide
Websitewww.whispersys.com

Whisper Systems produces security and privacy software applications for mobile communications devices running the Android operating system. The company was co-founded by Moxie Marlinspike and Stuart Anderson.

Products

Whisper Systems has produced RedPhone and TextSecure, which both allow for VOIP phone and text communications that are not detectable. RedPhone and products played a role in protester communications during the Arab Spring uprisings. It has also developed a firewall and tools for encrypting other forms of data.

Acquisition by Twitter

On 28 November 2011, Twitter announced that has acquired Whisper Systems for an undisclosed amount.

References

  1. ^ Garling, Caleb. "Twitter Open Sources Its Android Moxie | Wired Enterprise". Wired.com. Retrieved 2011-12-21.
  2. July 29, 2010 (2010-07-29). "How to hide yourself from Google and cell phone carriers". VentureBeat. Retrieved 2011-12-21. {{cite web}}: Text "Dean Takahashi" ignored (help)CS1 maint: numeric names: authors list (link)
  3. "Secure your Android mobile – Use Whisper Systems free security app Whispercore « Technology updates by Techburrp". Techburrp.com. Retrieved 2011-12-21.
  4. November 28, 2011 (2011-11-28). "Twitter acquires Android security startup Whisper Systems". VentureBeat. Retrieved 2011-12-21. {{cite web}}: Text "Tom Cheredar" ignored (help)CS1 maint: numeric names: authors list (link)
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