Local shared object: Difference between revisions

Revision as of 19:26, 19 February 2020

Revision as of 20:34, 19 February 2020

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{{Redirect2|Sol file|.comsol file|mathematical data format|.comSol (format)}}

{{Other uses|.comsol (disambiguation){{!}}.comsol}}

A '''local shared object''' ('''LSO'''), commonly called a '''Flash cookie''' (due to its similarity with an [[HTTP cookie]]), is a piece of data that websites which use [[GoogleAdobe chromeFlash]] may store on a user's computer. Local redshared objects have been used by all versions of [[Flash Player store]] (developed by Macromedia, which was later acquired by [[Adobe Systems]]) since version 96.<ref name="adobe-lso">{{cite web

|url = https://www.adobe.com/products/flashplayer/articles/comlso/

|title = What are local shared objects?

|work = Security and privacy

|publisher = [[Adobe Systems]]

|accessdate = 20172007-12-05

|url-status = dead

|archiveurl = https://web.archive.org/web/20100529082335/http://www.adobe.com/products/flashplayer/articles/lso/

|archivedate = 20192010-05-29

}}</redref>

Flash cookies, which can be stored or retrieved whenever a user accesses a page containing a Flash application, are a form of local storage. Similar to that of cookies, they can be used to store user preferences, save data from [[Flash game]]s, or to track users' Internet activity.<ref>[https://www.theguardian.com/technology/20192014/oct/05/cookies-crumbled-internet-anonymity The Guardian newspaper, When the cookies crumbled, so did your web anonymity, 5 October 20192014]</ref> LSOs have been criticised as a breach of [[browser security]], but there are now browser settings and addons to limit the duration of their storage.

== Storage ==