Buy from Amazon
$105.05 $5.48
$125.00
$93.75
$62.50
$31.25
Jan
Apr
Jul
Oct
Jan
Apr
Jul
Oct
Jan
Apr
2014
2015
2016
$83.46, Oct 7 - Dec 25 $83.03, Dec 28 - Jan 25 $82.61, Jan 27 - Feb 15 $81.78, Feb 16 - Jul 27 $81.78, May 3 - May 22 $81.78, Feb 16 - Jul 27 $41.15, May 3 - May 21 $81.78, Feb 16 - Jul 27 $81.08, May 23 - Jun 18 $17.54, May 23 5:10 pm $81.78, Feb 16 - Jul 27 $81.08, May 23 - Jun 18 $27.00, May 24 - Jun 9 $81.78, Feb 16 - Jul 27 $81.08, May 23 - Jun 18 $25.96, Jun 10 - Jun 16 $81.78, Feb 16 - Jul 27 $78.00, Jun 19 - Jun 28 $14.08, Jun 18 - Jun 19 $81.78, Feb 16 - Jul 27 $78.00, Jun 19 - Jun 28 $10.06, Jun 21 - Jun 24 $81.78, Feb 16 - Jul 27 $78.00, Jun 19 - Jun 28 $9.48, Jun 25 - Jun 26 $81.78, Jun 28 - Jul 6 $81.78, Feb 16 - Jul 27 $64.99, Jun 28 - Jul 6 $81.78, Feb 16 - Jul 27 $78.98, Jul 7 12:24 pm $62.92, Jul 7 12:24 pm $81.78, Jul 8 - Jul 27 $81.78, Feb 16 - Jul 27 $74.99, Jul 8 - Jul 10 $81.78, Jul 8 - Jul 27 $81.78, Feb 16 - Jul 27 $77.99, Jul 11 - Aug 11 $82.59, Jul 28 - Aug 1 $82.59, Jul 28 - Aug 1 $77.99, Jul 11 - Aug 11 $82.09, Aug 3 10:40 am $82.09, Aug 3 10:40 am $77.99, Jul 11 - Aug 11 $82.03, Aug 5 6:25 am $82.03, Aug 5 6:25 am $77.99, Jul 11 - Aug 11 $82.59, Aug 8 - Aug 22 $82.59, Aug 8 - Aug 22 $77.99, Jul 11 - Aug 11 $87.99, Aug 12 - Aug 15 $82.59, Aug 8 - Aug 22 $82.59, Aug 8 - Aug 22 $88.00, Aug 15 - Sep 27 $82.59, Aug 8 - Aug 22 $82.59, Aug 8 - Aug 22 $88.00, Aug 15 - Sep 27 $80.95, Aug 23 - Aug 29 $80.95, Aug 23 - Aug 29 $88.00, Aug 15 - Sep 27 $80.73, Aug 31 12:46 am $80.73, Aug 31 12:46 am $88.00, Aug 15 - Sep 27 $79.87, Sep 1 4:23 am $79.87, Sep 1 4:23 am $88.00, Aug 15 - Sep 27 $77.19, Sep 5 4:00 pm $77.19, Sep 5 4:00 pm $88.00, Aug 15 - Sep 27 $76.78, Sep 7 10:00 pm $76.78, Sep 7 10:00 pm $88.00, Aug 15 - Sep 27 $76.04, Sep 10 5:57 am $76.04, Sep 10 5:57 am $88.00, Aug 15 - Sep 27 $75.19, Sep 12 12:22 pm $75.19, Sep 12 12:22 pm $88.00, Aug 15 - Sep 27 $74.74, Sep 14 10:38 am $74.74, Sep 14 10:38 am $88.00, Aug 15 - Sep 27 $74.34, Sep 16 10:44 am $74.34, Sep 16 10:44 am $88.00, Aug 15 - Sep 27 $74.00, Sep 18 11:53 am $74.00, Sep 18 11:53 am $88.00, Aug 15 - Sep 27 $73.83, Sep 20 12:48 pm $73.83, Sep 20 12:48 pm $88.00, Aug 15 - Sep 27 $73.41, Sep 22 7:25 pm $73.41, Sep 22 7:25 pm $88.00, Aug 15 - Sep 27 $72.92, Sep 27 2:39 am $72.92, Sep 27 2:39 am $94.80, Sep 29 4:02 am $83.27, Sep 29 4:02 am $83.27, Sep 29 4:02 am $84.80, Oct 1 - Oct 27 $80.95, Oct 1 6:47 am $80.95, Oct 1 6:47 am $84.80, Oct 1 - Oct 27 $80.18, Oct 3 9:50 am $80.18, Oct 3 9:50 am $84.80, Oct 1 - Oct 27 $80.13, Oct 5 7:58 am $80.13, Oct 5 7:58 am $84.80, Oct 1 - Oct 27 $79.82, Oct 7 10:00 am $79.82, Oct 7 10:00 am $84.80, Oct 1 - Oct 27 $79.60, Oct 9 12:51 pm $79.60, Oct 9 12:51 pm $84.80, Oct 1 - Oct 27 $79.32, Oct 11 3:22 pm $55.88, Oct 11 3:22 pm $84.80, Oct 1 - Oct 27 $78.90, Oct 15 10:22 pm $78.90, Oct 15 10:22 pm $84.80, Oct 1 - Oct 27 $78.75, Oct 18 1:53 am $78.75, Oct 18 1:53 am $84.80, Oct 1 - Oct 27 $78.63, Oct 20 6:52 am $78.63, Oct 20 6:52 am $84.80, Oct 1 - Oct 27 $78.46, Oct 22 12:26 pm $78.46, Oct 22 12:26 pm $84.80, Oct 1 - Oct 27 $78.31, Oct 27 1:51 am $78.31, Oct 27 1:51 am $78.20, Nov 1 6:18 am $78.20, Nov 1 6:18 am $74.17, Nov 1 6:18 am $78.29, Nov 8 3:46 am $78.29, Nov 8 3:46 am $69.97, Nov 8 3:46 am $80.24, Nov 13 11:13 am $80.24, Nov 13 11:13 am $34.00, Nov 13 - Feb 23 $76.80, Nov 17 9:33 am $76.80, Nov 17 9:33 am $34.00, Nov 13 - Feb 23 $75.01, Nov 20 1:14 am $75.01, Nov 20 1:14 am $34.00, Nov 13 - Feb 23 $74.10, Nov 22 3:13 am $74.10, Nov 22 3:13 am $34.00, Nov 13 - Feb 23 $73.36, Nov 24 2:47 am $73.36, Nov 24 2:47 am $34.00, Nov 13 - Feb 23 $72.76, Nov 26 3:40 am $72.76, Nov 26 3:40 am $34.00, Nov 13 - Feb 23 $71.87, Nov 30 12:15 am $71.87, Nov 30 12:15 am $34.00, Nov 13 - Feb 23 $71.55, Dec 2 12:06 am $71.55, Dec 2 12:06 am $34.00, Nov 13 - Feb 23 $71.41, Dec 3 9:58 pm $71.41, Dec 3 9:58 pm $34.00, Nov 13 - Feb 23 $71.29, Dec 5 8:05 pm $71.29, Dec 5 8:05 pm $34.00, Nov 13 - Feb 23 $71.08, Dec 7 6:58 pm $71.08, Dec 7 6:58 pm $34.00, Nov 13 - Feb 23 $70.78, Dec 11 5:43 pm $70.78, Dec 11 5:43 pm $34.00, Nov 13 - Feb 23 $70.72, Dec 13 5:27 pm $70.72, Dec 13 5:27 pm $34.00, Nov 13 - Feb 23 $78.82, Dec 15 4:59 pm $78.82, Dec 15 4:59 pm $34.00, Nov 13 - Feb 23 $78.80, Dec 17 4:21 pm $78.80, Dec 17 4:21 pm $34.00, Nov 13 - Feb 23 $78.20, Dec 23 11:11 am $78.20, Dec 23 11:11 am $34.00, Nov 13 - Feb 23 $77.94, Dec 25 8:15 am $77.94, Dec 25 8:15 am $34.00, Nov 13 - Feb 23 $71.80, Dec 27 - Jan 1 $71.80, Dec 27 - Jan 1 $34.00, Nov 13 - Feb 23 $75.22, Jan 3 - Jan 30 $75.22, Jan 3 - Jan 30 $34.00, Nov 13 - Feb 23 $80.29, Feb 1 - Feb 6 $80.29, Feb 1 - Feb 6 $34.00, Nov 13 - Feb 23 $92.34, Feb 8 - Feb 21 $90.28, Feb 8 - Feb 21 $34.00, Nov 13 - Feb 23 $104.45, Feb 23 - Mar 1 $97.24, Feb 23 11:12 am $34.00, Nov 13 - Feb 23 $104.45, Feb 23 - Mar 1 $97.38, Feb 25 9:03 am $42.42, Feb 25 9:03 am $104.45, Feb 23 - Mar 1 $98.14, Feb 27 7:24 am $42.26, Feb 27 7:24 am $104.45, Feb 23 - Mar 1 $97.65, Mar 1 5:26 am $42.10, Mar 1 5:26 am $76.84, Mar 3 1:24 pm $76.84, Mar 3 - Apr 16 $41.92, Mar 3 1:24 pm $90.27, Mar 5 3:41 pm $76.84, Mar 3 - Apr 16 $41.76, Mar 5 3:41 pm $91.46, Mar 7 - Mar 9 $76.84, Mar 3 - Apr 16 $41.46, Mar 9 1:49 pm $91.41, Mar 11 11:24 pm $76.84, Mar 3 - Apr 16 $41.30, Mar 11 11:24 pm $76.84, Mar 14 6:20 am $76.84, Mar 3 - Apr 16 $41.14, Mar 14 6:20 am $76.84, Mar 14 6:20 am $76.84, Mar 3 - Apr 16 $41.00, Mar 17 6:24 am $76.84, Mar 3 - Apr 16 $72.83, Mar 19 - Mar 24 $40.84, Mar 19 10:39 am $76.84, Mar 3 - Apr 16 $72.83, Mar 19 - Mar 24 $40.50, Mar 24 1:34 am $87.28, Mar 26 8:24 am $76.84, Mar 3 - Apr 16 $40.34, Mar 26 8:24 am $76.84, Mar 3 - Apr 16 $72.83, Mar 28 - Mar 31 $40.20, Mar 28 3:47 pm $76.84, Mar 3 - Apr 16 $72.83, Mar 28 - Mar 31 $40.04, Mar 31 12:58 am $87.28, Apr 2 2:20 pm $76.84, Mar 3 - Apr 16 $39.86, Apr 2 2:20 pm $76.84, Mar 3 - Apr 16 $72.83, Apr 5 5:03 am $31.63, Apr 5 5:03 am $76.84, Mar 3 - Apr 16 $72.83, Apr 5 5:03 am $39.52, Apr 7 8:31 pm $76.84, Mar 3 - Apr 16 $72.83, Apr 5 5:03 am $39.36, Apr 10 1:07 pm $92.86, Apr 13 9:18 am $76.84, Mar 3 - Apr 16 $50.25, Apr 13 9:18 am $92.86, Apr 13 9:18 am $76.84, Mar 3 - Apr 16 $68.00, Apr 16 4:34 am $92.70, Apr 18 5:41 pm $88.00, Apr 18 - Apr 21 $76.84, Mar 3 - Apr 16 $92.82, Apr 21 10:16 am $88.00, Apr 18 - Apr 21 $76.84, Mar 3 - Apr 16 $94.46, Apr 24 5:38 am $93.50, Apr 24 5:38 am $76.84, Mar 3 - Apr 16 $94.13, Apr 27 8:59 am $93.50, Apr 27 - May 2 $76.84, Mar 3 - Apr 16 $93.87, Apr 30 5:56 am $93.50, Apr 27 - May 2 $76.84, Mar 3 - Apr 16 $93.63, May 2 10:31 pm $93.50, Apr 27 - May 2 $76.84, Mar 3 - Apr 16 $96.65, May 5 4:25 pm $93.38, May 5 4:25 pm $76.84, Mar 3 - Apr 16 $97.51, May 9 4:51 pm $97.50, May 9 4:51 pm $76.84, Mar 3 - Apr 16 $99.74, May 12 9:31 pm $99.74, May 12 9:31 pm $76.84, Mar 3 - Apr 16 $97.51, May 16 8:38 am $97.51, May 16 - May 24 $76.84, Mar 3 - Apr 16 $97.51, May 16 - May 24 $97.50, May 20 4:28 pm $76.84, Mar 3 - Apr 16 $97.51, May 16 - May 24 $76.84, Mar 3 - Apr 16 $72.21, May 24 6:29 pm $94.41, May 29 4:52 am $94.36, May 29 4:52 am $76.84, Mar 3 - Apr 16 $92.71, Jun 2 7:57 pm $76.84, Mar 3 - Apr 16 $70.69, Jun 2 7:57 pm $89.44, Jun 7 10:34 am $76.84, Mar 3 - Apr 16 $71.93, Jun 7 10:34 am OOS $105.05, Jun 11 10:44 am $89.18, Jun 11 10:44 am $69.93, Jun 11 10:44 am $104.45, Jun 15 - Jun 18 $89.00, Jun 15 5:35 am $77.24, Jun 15 5:35 am $104.45, Jun 15 - Jun 18 $93.18, Jun 18 - Jun 22 $79.54, Jun 18 11:59 pm $102.36, Jun 22 - Jul 4 $93.18, Jun 18 - Jun 22 $77.87, Jun 22 5:19 pm $102.36, Jun 22 - Jul 4 $94.38, Jun 26 - Jul 4 $76.23, Jun 26 12:51 pm $102.36, Jun 22 - Jul 4 $94.38, Jun 26 - Jul 4 $74.23, Jun 30 1:36 pm $102.36, Jun 22 - Jul 4 $94.38, Jun 26 - Jul 4 $72.02, Jul 4 5:26 pm $102.36, Jun 22 - Jul 4 $94.20, Jul 10 - Jul 14 $68.97, Jul 10 9:53 am $102.36, Jun 22 - Jul 4 $94.20, Jul 10 - Jul 14 $66.27, Jul 14 7:46 am $102.36, Jun 22 - Jul 4 $63.05, Jul 17 10:55 pm $61.70, Jul 17 10:55 pm $102.36, Jun 22 - Jul 4 $63.03, Jul 21 2:49 pm $60.00, Jul 21 2:49 pm $102.36, Jun 22 - Jul 4 $63.91, Jul 25 - Jul 28 $58.09, Jul 25 5:19 am $102.36, Jun 22 - Jul 4 $63.91, Jul 25 - Jul 28 $56.50, Jul 28 6:29 pm $102.36, Jun 22 - Jul 4 $63.93, Aug 1 9:11 am $55.96, Aug 1 9:11 am $102.36, Jun 22 - Jul 4 $69.65, Aug 5 - Aug 8 $55.47, Aug 5 12:48 am $102.36, Jun 22 - Jul 4 $69.65, Aug 5 - Aug 8 $54.78, Aug 8 6:22 pm $102.36, Jun 22 - Jul 4 $88.48, Aug 12 - Sep 4 $54.23, Aug 12 - Aug 31 $102.36, Jun 22 - Jul 4 $88.48, Aug 12 - Sep 4 $88.46, Sep 4 4:06 am $102.36, Jun 22 - Jul 4 $69.64, Sep 8 1:55 am $69.62, Sep 8 1:55 am $102.36, Jun 22 - Jul 4 $87.28, Sep 11 - Sep 15 $68.40, Sep 11 - Sep 15 $102.36, Jun 22 - Jul 4 $98.17, Sep 19 - Sep 29 $98.16, Sep 19 4:55 pm OOS $99.28, Sep 23 - Sep 25 $98.17, Sep 23 3:29 pm $98.17, Sep 19 - Sep 29 OOS $99.28, Sep 23 - Sep 25 $98.17, Sep 19 - Sep 29 $98.16, Sep 25 3:39 pm $98.28, Sep 29 1:40 pm $98.17, Sep 19 - Sep 29 $78.62, Sep 29 1:40 pm $98.28, Sep 29 1:40 pm $92.35, Oct 3 3:15 pm $68.73, Oct 3 - Oct 23 $98.28, Sep 29 1:40 pm $87.44, Oct 7 5:52 pm $68.73, Oct 3 - Oct 23 OOS $97.29, Oct 11 8:12 pm $87.38, Oct 11 8:12 pm $68.73, Oct 3 - Oct 23 $96.31, Oct 15 6:54 pm $77.05, Oct 15 - Oct 19 $68.73, Oct 3 - Oct 23 $95.34, Oct 19 - Oct 23 $77.05, Oct 15 - Oct 19 $68.73, Oct 3 - Oct 23 $95.34, Oct 19 - Oct 23 $76.27, Oct 23 12:50 pm $68.73, Oct 3 - Oct 23 OOS $94.39, Oct 27 - Oct 31 $88.35, Oct 27 - Oct 31 $70.13, Oct 27 - Nov 25 $93.44, Nov 4 - Nov 8 $70.13, Oct 27 - Nov 25 $70.09, Nov 4 - Nov 12 OOS $92.50, Nov 12 3:42 pm $70.13, Oct 27 - Nov 25 $70.09, Nov 4 - Nov 12 $92.50, Nov 16 10:25 pm $70.13, Oct 27 - Nov 25 $69.99, Nov 16 10:25 pm $91.57, Nov 21 7:35 am $70.13, Oct 27 - Nov 25 $12.51, Nov 21 7:35 am $91.57, Nov 21 7:35 am $70.13, Oct 27 - Nov 25 $28.91, Nov 25 5:45 pm $95.53, Nov 30 11:16 am $91.57, Nov 21 7:35 am $69.93, Nov 30 11:16 am $95.53, Nov 30 11:16 am OOS $90.70, Dec 5 8:37 am $69.99, Dec 5 8:37 am $95.53, Nov 30 11:16 am $90.70, Dec 10 - Dec 20 $69.93, Dec 10 11:00 am $95.53, Nov 30 11:16 am $90.70, Dec 10 - Dec 20 $69.99, Dec 15 12:11 pm $95.53, Nov 30 11:16 am $90.70, Dec 10 - Dec 20 $12.18, Dec 20 12:02 pm $90.24, Dec 25 6:56 am $71.06, Dec 25 - Dec 30 $69.98, Dec 25 6:56 am $89.78, Dec 30 - Jan 4 $71.06, Dec 25 - Dec 30 $67.82, Dec 30 - Jan 4 $85.28, Jan 9 2:25 am $76.07, Jan 9 2:25 am $67.76, Jan 9 2:25 am $81.01, Jan 14 12:24 am $65.95, Jan 14 - Jan 19 $64.81, Jan 14 12:24 am $76.95, Jan 19 - Jan 24 $65.95, Jan 14 - Jan 19 $60.76, Jan 19 - Jan 24 $76.03, Jan 29 - Feb 24 $65.95, Jan 14 - Jan 19 $60.82, Jan 29 3:44 am $76.03, Jan 29 - Feb 24 $65.95, Jan 14 - Jan 19 $11.97, Feb 3 3:45 am $76.03, Jan 29 - Feb 24 $69.99, Feb 8 4:58 am $65.95, Jan 14 - Jan 19 $76.03, Jan 29 - Feb 24 $65.95, Jan 14 - Jan 19 $59.19, Feb 13 10:48 am $76.03, Jan 29 - Feb 24 $65.95, Jan 14 - Jan 19 $60.82, Feb 18 - Feb 24 $104.51, Mar 3 10:09 am $92.62, Mar 3 10:09 am $59.19, Mar 3 10:09 am $98.84, Mar 15 12:35 pm $90.67, Mar 15 12:35 pm $59.00, Mar 15 12:35 pm $76.03, Mar 27 4:50 am $65.53, Mar 27 4:50 am $24.00, Mar 27 4:50 am
224,340 2,141,735
2,343,750
1,875,000
1,406,250
937,500
468,750
0
Oct
Dec
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2015
2016
Price Details
New
Last Seen
$76.03 Mar 27, '16
Highest
$105.05 Jun 11, '15
Lowest
$70.72 Dec 13, '14
Average
$101.72 (30d avg) $85.41 (90d avg) $89.53 (180d avg) $90.81 (365d avg) $84.95 (Lifetime average)
Added
Oct 7, 2013
3rd Party New
Last Seen
$65.53 Mar 27, '16
Highest
$99.74 May 12, '15
Lowest
$55.88 Oct 11, '14
Average
$91.66 (30d avg) $73.96 (90d avg) $76.07 (180d avg) $81.23 (365d avg) $80.45 (Lifetime average)
Added
Oct 7, 2013
3rd Party Used
Last Seen
$24.00 Mar 27, '16
Highest
$99.74 May 12, '15
Lowest
$5.48 Jun 27, '14
Average
$59.10 (30d avg) $59.38 (90d avg) $63.52 (180d avg) $67.92 (365d avg) $61.22 (Lifetime average)
Added
Oct 7, 2013
Sales Rank
30 day average: 2,080,670 90 day average: 1,870,784
Product Description
User identification and authentication are essential parts of information security. Users must authenticate as they access their computer systems at work or at home every day. Yet do users understand how and why they are actually being authenticated, the security level of the authentication mechanism that they are using, and the potential impacts of selecting one authentication mechanism or another?
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