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Privacy mode

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Title: Privacy mode  
Author: World Heritage Encyclopedia
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Subject: Web browsers, QtWeb, Arora (web browser), Midori (web browser), Internet Explorer
Collection: Sexuality and Computers, Web Browsers
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Privacy mode

Internet Explorer 8 in InPrivate mode
Google Chrome in Incognito mode

Privacy mode or "private browsing" or "incognito mode",[1] is a privacy feature in some web browsers to disable browsing history and the web cache. This allows a person to browse the Web without storing local data that could be retrieved at a later date. Privacy mode will also disable the storage of data in cookies and Flash cookies. This privacy protection is only on the local computing device as it is still possible to identify frequented websites by associating the IP address at the web server.[2]

Contents

  • History 1
  • Uses 2
  • Support in popular browsers 3
  • Security 4
  • References 5
  • External links 6

History

The earliest reference to privacy mode was in May 2005 and used to discuss the privacy features in the Safari browser bundled with Mac OS X Tiger.[1] The feature has since been adopted in other browsers, and led to popularisation of the term in 2008 by mainstream news outlets and computing websites when discussing beta versions of Internet Explorer 8.[3][4][5] However, privacy modes operate as shields because browsers typically do not remove all data from the cache after the session. Plugins, like Silverlight, are able to set cookies that will not be removed after the session. Internet Explorer 8 also contains a feature called InPrivate Subscriptions, an RSS web feed with sites approved for use with InPrivate browsing.[6]

The common web browser plugin Adobe Flash Player began supporting privacy mode in Chrome, Firefox, Internet Explorer, and Safari with the release of version 10.1 in June 2010.[7]

Uses

Privacy mode has multiple uses, including:[8][9][10]

  • reducing history, including autofill, browsing, and personal information;
  • performing "pure searches" that are not influenced by prior browsing history or networks or friends' recommendations, which may weight and more highly rank certain results than others;
  • preventing accidental saving of log-in credentials to accounts;
  • signing into multiple accounts simultaneously, via multiple tabs; and,
  • testing websites.

The Mozilla Foundation performed a study about the user behavior when the feature is switched on and how long the session lasts. The results were that most sessions last only about 10 minutes, though there are periods where activation increases; usually around 11 a.m. to 2 p.m., 5 p.m., between 9 p.m. and 10 p.m., and a minor peak about an hour or two after midnight.[11]

Support in popular browsers

Privacy mode is known by different names in different browsers.
Date Browser Synonym
April 29, 2005 (2005-04-29) Safari 2.0 Private Browsing
December 11, 2008 (2008-12-11) Google Chrome 1.0 Incognito
March 19, 2009 (2009-03-19)[12] Internet Explorer 8 InPrivate Browsing
June 30, 2009 (2009-06-30) Mozilla Firefox 3.5[13] Private Browsing
March 2, 2010 (2010-03-02) Opera 10.50[14] Private Tab / Private Window
November 18, 2014 (2014-11-18) Amazon Silk[15] Private Browsing

Security

An independent security analysis, performed by a group of researchers at Newcastle University in 2014, shows a range of security vulnerabilities in the implementation of the private mode across four major browsers (IE, Firefox, Chrome and Safari).[16]

References

  1. ^ a b  
  2. ^ "HTG Explains: How Private Browsing Works and Why It Doesn't Offer Complete Privacy". How-To Geek. 
  3. ^ Foley, Mary Jo. "Microsoft to roll out more granular 'porn mode' with IE 8".  
  4. ^ Sadighi, Lalee. "'"Microsoft's Internet Explorer 8 Goes 'Porn Mode.  
  5. ^ Kidman, Angus. "Microsoft releases IE8 beta 2: MS porn mode included".  
  6. ^ "IE8 and Privacy".  
  7. ^ Xu, Jimson; Nguyen, Tom (30 June 2010). "Private browsing in Flash Player 10.1".  
  8. ^ Fiol, Taryn (23 October 2012). "7 Great Uses for Your Browser's Private Browsing Mode". Apartment Therapy. 
  9. ^ Obaiza, Osas. "5 Great Reasons Why You Should Use Private Browsing Online". Null Byte. 
  10. ^ Pash, Adam (25 August 2010). "Nine Great Uses for Private Browsing that Don't Involve Porn". Lifehacker. 
  11. ^ Ulmer, Hamilton (23 August 2010). "Understanding Private Browsing". Blog of Metrics.  
  12. ^ "Microsoft Announces Availability of Internet Explorer 8" (Press release).  
  13. ^ "Mozilla Cross-Reference mozilla1.9.1".  
  14. ^ Mateu, Roberto. "Opera 10.5 pre-alpha for Labs".  
  15. ^ "Private Browsing for Amazon Silk".  
  16. ^ K. Satvat, M. Forshaw, F. Hao, E. Toreini, On the privacy of private browsing – A forensic approach. Journal of Information Security and Applications, In Press, Available online 3 April 2014.

External links

  • Private BrowsingMozilla Specification for
  • Private BrowsingPrivateBrowsing in Google Chrome
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