Here are five best practices that can help you boost end-user experiences , simplify performance management , and reduce the cost of your AWS environment . The number of successful cyberattacks per year per company has increased by 46 % over the last four years . But what really needs to be considered when exploring a solution ? The leaked database weighs in at 52.2GB , and according to ZDNet comes via business services firm Dun & Bradstreet , which sells it to marketers that send targeted email campaigns . After examining the data , Hunt has revealed that the data dump Attack.Databreach contains details belonging exclusively to US-based companies and government agencies . California is the most represented demographic with over four million records , followed by New York with 2.7 million records and Texas with 2.6 million records . The leading organisation by records is the Department of Defense , with 101,013 personnel records exposed in the dump Attack.Databreach . It is followed by the United States Postal Service ( USPS ) with 88,153 leaked employee records and AT & T with 67,382 . Other firms affected by the leak Attack.Databreach includes CVS with 40,739 records , Citigroup with 35,292 and IBM with 33,412 . The database contains dozens of fields , some including personal information such as names , job titles and functions , work email addresses , and phone numbers . While the database does n't contain more sensitive information , such as credit card numbers or SSNs , Hunt says it 's an `` absolute goldmine for targeted spear phishing Attack.Phishing . '' `` From this data , you can piece together organisational structures and tailor messaging Attack.Phishing to create an air of authenticity and that 's something that 's attractive to crooks and nation-state actors alike , '' he said . `` I often work with companies attempting to mitigate the damage of their organisational data being publicly exposed Attack.Databreach ( frequently due to data breaches Attack.Databreach ) , and I can confidently say that knowing this information is out there circulating would concern many of them . '' Dun & Bradstreet has denied responsibility for the leak Attack.Databreach and said it could have come from come from any of its thousands of clients . `` Based on our analysis , it is our determination that there has been no exposure Attack.Databreach of sensitive personal information from , and no infiltration of our system . The information in question is data typically found on a business card . `` As general practice , Dun & Bradstreet uses an agile security process and evaluates and evolves security controls to protect the integrity of our data , '' a spokesperson told the INQUIRER