Research Article
CLAS: A Novel Communications Latency Based Authentication Scheme
Table 2
Password reuse survey summary.
| Institute | Sample size | Nation | Reuse |
| 2010 BitDefender [9] | Over 250k | Online | 75% | 2011 CIS [10] | Over 1k | Australia | 63% | 2012 CSID [11] | 1,200 | USA | 61% | 2013 OFCOM [12] | 1,805 | UK | 55% | 2014 UIUC [13] | 224 | Online | 77% |
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