
- Cybersecurity for Industrial Control Systems: SCADA, DCS, PLC, HMI, and SIS
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Amazon
From $63.81 (New)

From $63.81 (New)

| Latest | $63.81 Mar 26, '16 |
| Highest | $84.03 Dec 2, '15 |
| Lowest | $63.81 Mar 26, '16 |
| Average | $77.86 (30d avg) $80.68 (90d avg) $79.01 (180d avg) $80.29 (365d avg) $76.10 (Lifetime average) |
| Added | Nov 15, 2013 |
| Latest | $60.00 Mar 26, '16 |
| Highest | $76.54 Jun 25, '15 |
| Lowest | $60.00 Feb 5, '16 |
| Average | $60.00 (30d avg) $65.40 (90d avg) $69.83 (180d avg) $72.18 (365d avg) $71.89 (Lifetime average) |
| Added | Nov 15, 2013 |
| Latest | $63.81 Mar 26, '16 |
| Highest | $90.39 Aug 25, '15 |
| Lowest | $58.10 May 2, '14 |
| Average | $70.98 (30d avg) $76.60 (90d avg) $72.86 (180d avg) $73.12 (365d avg) $72.74 (Lifetime average) |
| Added | Nov 15, 2013 |
30 day average: 531,942
90 day average: 565,237