Buy from Amazon
$28.47 $0.01
$37.50
$25.00
$12.50
Jan
Apr
Jul
Oct
Jan
Apr
Jul
Oct
Jan
Apr
Jul
2014
2015
2016
$27.86, Oct 7 6:43 am $28.00, Nov 22 - Dec 11 $28.06, Dec 13 - Dec 25 $28.12, Dec 27 - Jan 18 $28.18, Jan 18 - Feb 8 $26.16, Feb 8 - Sep 9 $26.16, Feb 8 - Sep 9 $14.77, May 5 1:36 am $0.46, May 5 1:36 am $26.16, Feb 8 - Sep 9 $14.95, May 7 10:01 am $0.46, May 7 10:01 am $26.16, Feb 8 - Sep 9 $14.88, May 9 4:25 pm $0.47, May 9 4:25 pm $26.16, Feb 8 - Sep 9 $14.77, May 12 1:34 am $0.48, May 10 - May 17 $26.16, Feb 8 - Sep 9 $14.78, May 14 2:01 am $0.48, May 10 - May 17 $26.16, Feb 8 - Sep 9 $14.95, May 15 - May 17 $0.48, May 10 - May 17 $26.16, Feb 8 - Sep 9 $14.77, May 19 1:22 am $0.42, May 19 1:22 am $26.16, Feb 8 - Sep 9 $14.86, May 21 5:22 pm $0.48, May 20 - May 22 $26.16, Feb 8 - Sep 9 $14.79, May 24 4:57 am $0.47, May 24 4:57 am $26.16, Feb 8 - Sep 9 $14.79, May 26 3:51 am $0.48, May 26 3:51 am $26.16, Feb 8 - Sep 9 $14.84, May 28 6:40 pm $0.44, May 28 6:40 pm $26.16, Feb 8 - Sep 9 $14.83, May 30 8:49 pm $0.34, May 30 8:49 pm $26.16, Feb 8 - Sep 9 $14.71, Jun 2 3:30 pm $0.27, Jun 2 3:30 pm $26.16, Feb 8 - Sep 9 $14.90, Jun 4 3:28 pm $0.21, Jun 4 3:28 pm $26.16, Feb 8 - Sep 9 $14.80, Jun 7 2:06 am $0.11, Jun 7 2:06 am $26.16, Feb 8 - Sep 9 $14.67, Jun 9 11:48 pm $0.01, Jun 9 - Jun 10 $26.16, Feb 8 - Sep 9 $14.81, Jun 12 4:09 am $0.48, Jun 11 - Jun 16 $26.16, Feb 8 - Sep 9 $14.90, Jun 14 2:17 pm $0.48, Jun 11 - Jun 16 $26.16, Feb 8 - Sep 9 $14.84, Jun 16 8:58 pm $0.46, Jun 16 8:58 pm $26.16, Feb 8 - Sep 9 $14.83, Jun 19 3:21 am $0.45, Jun 19 3:21 am $26.16, Feb 8 - Sep 9 $14.95, Jun 21 10:04 am $0.40, Jun 21 10:04 am $26.16, Feb 8 - Sep 9 $14.84, Jun 23 8:42 pm $0.45, Jun 23 8:42 pm $26.16, Feb 8 - Sep 9 $14.93, Jun 26 4:17 am $0.41, Jun 26 4:17 am $26.16, Feb 8 - Sep 9 $1.55, Jun 29 - Jun 30 $0.44, Jun 29 7:54 am $26.16, Feb 8 - Sep 9 $1.98, Jul 1 4:52 am $0.42, Jul 1 4:52 am $26.16, Feb 8 - Sep 9 $7.66, Jul 3 11:47 am $0.43, Jul 3 11:47 am $26.16, Feb 8 - Sep 9 $7.23, Jul 5 7:48 pm $0.45, Jul 5 7:48 pm $26.16, Feb 8 - Sep 9 $6.78, Jul 8 8:21 am $0.42, Jul 8 8:21 am $26.16, Feb 8 - Sep 9 $6.30, Jul 10 6:54 pm $0.46, Jul 10 6:54 pm $26.16, Feb 8 - Sep 9 $5.89, Jul 13 5:55 am $0.46, Jul 13 5:55 am $26.16, Feb 8 - Sep 9 $5.64, Jul 14 3:18 pm $0.45, Jul 14 3:18 pm $26.16, Feb 8 - Sep 9 $5.11, Jul 17 12:03 pm $0.46, Jul 17 12:03 pm $26.16, Feb 8 - Sep 9 $4.46, Jul 20 8:54 pm $0.42, Jul 20 8:54 pm $26.16, Feb 8 - Sep 9 $1.48, Jul 23 - Jul 28 $0.44, Jul 23 4:14 am $26.16, Feb 8 - Sep 9 $1.48, Jul 23 - Jul 28 $0.40, Jul 24 - Jul 25 $26.16, Feb 8 - Sep 9 $1.48, Jul 23 - Jul 28 $0.82, Jul 27 4:33 pm $26.16, Feb 8 - Sep 9 $1.52, Jul 30 9:59 am $0.65, Jul 30 9:59 am $26.16, Feb 8 - Sep 9 $1.48, Aug 1 - Aug 13 $0.53, Aug 1 5:10 am $26.16, Feb 8 - Sep 9 $1.48, Aug 1 - Aug 13 $0.41, Aug 3 9:57 pm $26.16, Feb 8 - Sep 9 $1.48, Aug 1 - Aug 13 $0.34, Aug 5 6:27 pm $26.16, Feb 8 - Sep 9 $1.48, Aug 1 - Aug 13 $0.46, Aug 8 - Aug 10 $26.16, Feb 8 - Sep 9 $1.48, Aug 1 - Aug 13 $0.45, Aug 10 9:55 pm $26.16, Feb 8 - Sep 9 $1.48, Aug 1 - Aug 13 $0.39, Aug 13 5:59 pm $26.16, Feb 8 - Sep 9 $1.49, Aug 15 3:24 pm $0.36, Aug 15 - Aug 16 $26.16, Feb 8 - Sep 9 $1.48, Aug 16 - Aug 19 $0.33, Aug 17 8:52 pm $26.16, Feb 8 - Sep 9 $1.56, Aug 20 6:00 am $0.26, Aug 20 6:00 am $26.16, Feb 8 - Sep 9 $1.48, Aug 23 9:28 am $0.25, Aug 21 - Sep 3 $26.16, Feb 8 - Sep 9 $1.49, Aug 25 12:41 pm $0.25, Aug 21 - Sep 3 $26.16, Feb 8 - Sep 9 $1.48, Aug 26 - Aug 31 $0.25, Aug 21 - Sep 3 $26.16, Feb 8 - Sep 9 $1.54, Sep 1 7:54 am $0.25, Aug 21 - Sep 3 $26.16, Feb 8 - Sep 9 $1.49, Sep 2 - Sep 3 $0.25, Aug 21 - Sep 3 $26.16, Feb 8 - Sep 9 $1.57, Sep 6 4:32 am $0.48, Sep 6 - Sep 14 $26.16, Feb 8 - Sep 9 $1.56, Sep 7 - Sep 9 $0.48, Sep 6 - Sep 14 $25.97, Sep 12 - Sep 22 $1.57, Sep 12 5:14 am $0.48, Sep 6 - Sep 14 $25.97, Sep 12 - Sep 22 $1.56, Sep 14 - Sep 25 $0.45, Sep 16 7:10 am $25.97, Sep 12 - Sep 22 $1.56, Sep 14 - Sep 25 $0.41, Sep 18 9:17 am $25.97, Sep 12 - Sep 22 $1.56, Sep 14 - Sep 25 $0.35, Sep 20 10:26 am $25.97, Sep 12 - Sep 22 $1.56, Sep 14 - Sep 25 $0.28, Sep 22 5:02 pm $25.86, Sep 25 - Dec 8 $1.56, Sep 14 - Sep 25 $0.21, Sep 25 1:34 am $25.86, Sep 25 - Dec 8 $1.57, Sep 27 4:53 am $0.15, Sep 27 4:53 am $25.86, Sep 25 - Dec 8 $1.56, Sep 29 - Oct 1 $0.09, Sep 29 6:33 am $25.86, Sep 25 - Dec 8 $1.56, Sep 29 - Oct 1 $0.05, Oct 1 9:19 am $25.86, Sep 25 - Dec 8 $12.44, Oct 4 11:06 am $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $12.49, Oct 6 12:55 pm $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $12.35, Oct 8 3:18 pm $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $15.00, Oct 12 - Nov 10 $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $14.46, Nov 15 4:59 pm $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $14.11, Nov 18 9:44 pm $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $13.94, Nov 21 1:11 am $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $13.86, Nov 23 2:30 am $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $13.74, Nov 27 3:27 am $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $13.66, Nov 29 2:20 am $0.01, Oct 3 - Jan 7 $25.86, Sep 25 - Dec 8 $15.00, Nov 30 - Apr 23 $0.01, Oct 3 - Jan 7 $25.73, Dec 11 - Dec 30 $15.00, Nov 30 - Apr 23 $0.01, Oct 3 - Jan 7 $25.98, Jan 1 - Jan 18 $15.00, Nov 30 - Apr 23 $0.01, Oct 3 - Jan 7 $25.98, Jan 1 - Jan 18 $15.00, Nov 30 - Apr 23 $0.20, Jan 8 9:51 pm $25.98, Jan 1 - Jan 18 $15.00, Nov 30 - Apr 23 $0.35, Jan 11 2:30 am $25.98, Jan 1 - Jan 18 $15.00, Nov 30 - Apr 23 $0.11, Jan 13 10:58 pm $25.98, Jan 1 - Jan 18 $15.00, Nov 30 - Apr 23 $0.01, Jan 15 - Jan 20 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.01, Jan 15 - Jan 20 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.35, Jan 23 7:51 pm $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.38, Jan 25 11:38 am $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.34, Jan 27 - Jan 28 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.35, Jan 30 3:10 pm $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.32, Feb 1 9:42 am $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.28, Feb 6 6:47 pm $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.47, Feb 8 1:39 pm $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.43, Feb 10 8:35 am $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.44, Feb 12 - Feb 13 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.47, Feb 15 7:49 pm $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.46, Feb 17 - Feb 21 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.41, Feb 23 - Feb 27 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.46, Mar 1 - Mar 3 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.47, Mar 5 3:22 pm $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.49, Mar 7 4:13 pm $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.47, Mar 9 2:13 pm $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.43, Mar 12 12:04 am $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.44, Mar 13 - Mar 14 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.47, Mar 17 - Mar 21 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $1.09, Mar 22 - Apr 6 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $1.08, Apr 9 - Apr 12 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $1.02, Apr 15 - Apr 17 $26.16, Jan 20 - Apr 23 $15.00, Nov 30 - Apr 23 $0.96, Apr 20 7:15 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $1.14, Apr 26 1:20 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $1.15, Apr 29 - May 3 $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $10.84, May 5 11:53 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $9.24, May 11 10:33 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $9.20, May 15 5:59 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $9.15, May 19 11:53 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $8.92, May 23 2:55 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $7.73, May 27 10:15 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $6.29, Jun 1 12:35 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $5.81, Jun 6 4:04 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $5.64, Jun 10 9:30 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $5.48, Jun 14 5:40 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $5.34, Jun 17 11:10 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $2.77, Jun 21 5:43 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $2.66, Jun 25 1:16 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $2.53, Jun 29 3:51 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $2.30, Jul 6 12:51 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $1.79, Jul 11 10:40 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $1.53, Jul 15 2:29 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $1.35, Jul 19 4:33 am $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $1.14, Jul 22 7:35 pm $26.16, Apr 26 - Jul 26 $15.00, Apr 26 - Jul 29 $1.03, Jul 26 9:25 am $26.59, Jul 29 - Aug 6 $15.00, Apr 26 - Jul 29 $0.92, Jul 29 11:49 pm $26.59, Jul 29 - Aug 6 $14.90, Aug 2 1:58 pm $0.81, Aug 2 1:58 pm $26.59, Jul 29 - Aug 6 $14.80, Aug 6 5:38 am $0.71, Aug 6 5:38 am $27.02, Aug 10 - Sep 5 $15.00, Aug 10 - Aug 17 $0.63, Aug 10 12:52 am $27.02, Aug 10 - Sep 5 $15.00, Aug 10 - Aug 17 $0.55, Aug 13 7:36 pm $27.02, Aug 10 - Sep 5 $15.00, Aug 10 - Aug 17 $0.50, Aug 17 1:27 pm $27.02, Aug 10 - Sep 5 $14.99, Aug 21 - Sep 13 $0.22, Aug 21 7:51 am $27.02, Aug 10 - Sep 5 $14.99, Aug 21 - Sep 13 $0.14, Aug 25 12:26 am $27.02, Aug 10 - Sep 5 $14.99, Aug 21 - Sep 13 $0.08, Aug 28 7:09 pm $27.02, Aug 10 - Sep 5 $14.99, Aug 21 - Sep 13 $0.01, Sep 1 11:44 am $27.02, Aug 10 - Sep 5 $14.99, Aug 21 - Sep 13 $0.20, Sep 5 9:08 am $27.20, Sep 9 - Nov 15 $14.99, Aug 21 - Sep 13 $0.24, Sep 9 - Sep 17 $27.20, Sep 9 - Nov 15 $15.00, Sep 17 - Nov 20 $0.24, Sep 9 - Sep 17 $27.20, Sep 9 - Nov 15 $15.00, Sep 17 - Nov 20 $0.25, Sep 20 - Oct 2 $27.20, Sep 9 - Nov 15 $15.00, Sep 17 - Nov 20 $0.29, Oct 6 10:02 pm $27.20, Sep 9 - Nov 15 $15.00, Sep 17 - Nov 20 $0.30, Oct 11 - Oct 26 $27.20, Sep 9 - Nov 15 $15.00, Sep 17 - Nov 20 $0.35, Oct 30 1:18 pm $27.20, Sep 9 - Nov 15 $15.00, Sep 17 - Nov 20 $0.38, Nov 3 12:54 pm $27.20, Sep 9 - Nov 15 $15.00, Sep 17 - Nov 20 $0.39, Nov 7 - Dec 9 $27.62, Nov 20 - Nov 24 $15.00, Sep 17 - Nov 20 $0.39, Nov 7 - Dec 9 $27.62, Nov 20 - Nov 24 $17.94, Nov 24 - Feb 9 $0.39, Nov 7 - Dec 9 $27.88, Nov 29 - Dec 17 $17.94, Nov 24 - Feb 9 $0.39, Nov 7 - Dec 9 $27.88, Nov 29 - Dec 17 $17.94, Nov 24 - Feb 9 $0.42, Dec 11 10:46 pm $27.88, Nov 29 - Dec 17 $17.94, Nov 24 - Feb 9 $1.20, Dec 17 12:09 am $28.12, Dec 21 - Jan 20 $17.94, Nov 24 - Feb 9 $1.70, Dec 21 - Dec 27 $28.12, Dec 21 - Jan 20 $17.94, Nov 24 - Feb 9 $2.89, Jan 1 2:55 am $28.12, Dec 21 - Jan 20 $17.94, Nov 24 - Feb 9 $2.98, Jan 5 - Jan 10 $28.12, Dec 21 - Jan 20 $17.94, Nov 24 - Feb 9 $4.59, Jan 15 5:36 pm $28.12, Dec 21 - Jan 20 $17.94, Nov 24 - Feb 9 $3.93, Jan 20 5:37 pm $28.47, Jan 25 5:55 pm $17.94, Nov 24 - Feb 9 $3.19, Jan 25 5:55 pm $28.18, Jan 30 - Feb 4 $17.94, Nov 24 - Feb 9 $3.15, Jan 30 5:48 pm $28.18, Jan 30 - Feb 4 $17.94, Nov 24 - Feb 9 $5.94, Feb 4 8:46 pm $27.89, Feb 9 - Feb 20 $17.94, Nov 24 - Feb 9 $4.57, Feb 9 11:08 pm $27.89, Feb 9 - Feb 20 $17.95, Feb 15 7:21 am $5.94, Feb 15 - Feb 26 $27.89, Feb 9 - Feb 20 $17.94, Feb 20 3:51 pm $5.94, Feb 15 - Feb 26 $27.96, Feb 26 - Mar 7 $17.80, Feb 26 3:22 am $5.94, Feb 15 - Feb 26 $27.96, Feb 26 - Mar 7 $17.95, Mar 7 - Mar 25 $5.03, Mar 7 8:55 pm $28.02, Mar 19 4:50 am $17.95, Mar 7 - Mar 25 $1.74, Mar 19 - Mar 25 $28.08, Mar 25 6:15 am $17.95, Mar 7 - Mar 25 $1.74, Mar 19 - Mar 25 $27.79, Apr 5 6:35 pm $17.94, Apr 5 6:35 pm $1.14, Apr 5 6:35 pm
48,603 1,777,875
1,953,125
1,562,500
1,171,875
781,250
390,625
Oct
Dec
Feb
Apr
Jun
Aug
Oct
Dec
Feb
Apr
Jun
2015
2016
Price Details
New
Latest
$27.79 Apr 5, '16
Highest
$28.47 Jan 25, '16
Lowest
$25.73 Dec 11, '14
Average
$28.02 (30d avg) $28.05 (90d avg) $27.81 (180d avg) $27.14 (365d avg) $26.76 (Lifetime average)
Added
Oct 7, 2013
3rd Party New
Latest
$17.94 Apr 5, '16
Highest
$17.95 Mar 7, '16
Lowest
$1.48 Aug 26, '14
Average
$17.95 (30d avg) $17.93 (90d avg) $17.17 (180d avg) $16.06 (365d avg) $13.78 (Lifetime average)
Added
Oct 7, 2013
3rd Party Used
Latest
$1.14 Apr 5, '16
Highest
$10.84 May 5, '15
Lowest
$0.01 Sep 1, '15
Average
$3.03 (30d avg) $4.13 (90d avg) $2.45 (180d avg) $2.55 (365d avg) $1.47 (Lifetime average)
Added
Oct 7, 2013
Sales Rank
30 day average: 437,248 90 day average: 710,232
Product Description
The rise of network-based, automated services in the past decade has definitely changed the way businesses operate, but not always for the better. Offering services, conducting transactions and moving data on the Web opens new opportunities, but many CTOs and CIOs are more concerned with the risks. Like the rulers of medieval cities, they've adopted a siege mentality, building walls to keep the bad guys out. It makes for a secure perimeter, but hampers the flow of commerce.Fortunately, some corporations are beginning to rethink how they provide security, so that interactions with customers, employees, partners, and suppliers will be richer and more flexible. explains how to go about it. This book details an important concept known as "identity management architecture" (IMA): a method to provide ample protection while giving good guys access to vital information and systems. In today's service-oriented economy, digital identity is everything. IMA is a coherent, enterprise-wide set of standards, policies, certifications and management activities that enable companies like yours to manage digital identity effectively--not just as a security check, but as a way to extend services and pinpoint the needs of customers.Author Phil Windley likens IMA to good city planning. Cities define uses and design standards to ensure that buildings and city services are consistent and workable. Within that context, individual buildings--or system architectures--function as part of the overall plan. With Windley's experience as VP of product development for Excite@Home.com and CIO of Governor Michael Leavitt's administration in Utah, he provides a rich, real-world view of the concepts, issues, and technologies behind identity management architecture.How does digital identity increase business opportunity? Windley's favorite example is the ATM machine. With ATMs, banks can now offer around-the-clock service, serve more customers simultaneously, and do it in a variety of new locations. This fascinating book shows CIOs, other IT professionals, product managers, and programmers how security planning can support business goals and opportunities, rather than holding them at bay.
Back to store list