According to a report on Global Cost of Data Breach sponsored by PGP corporation the global average cost of a data-loss incident was $3.43 million last year i.e about $142 per compromised record.

The average cost for U.S. organizations was $6.75 million or $204

Lost business was universally the greatest contributor to costs associated with breach incidents, accounting for 44 percent of costs. 
The cost of lost business was higher than average for U.S. firms, accounting for 66 percent of overall breach expenses

Other costs included activities to detect and investigate the breach, to notify victims and to provide credit monitoring services. 
U.S. firms also paid more than those in other countries to notify breach victims .

Amount paid per compromised record:

• $15 in U.S
• $10 in the U.K
• $9 in Germany
• $6 in France
• $4 in Australia.

Ref: http://www.scmagazineus.com/us-organizations-face-the-highest-data-br...

Ref: http://www.encryptionreports.com/