Tag - Gray Day

amazon best seller

Amazon Best Seller (again :) 7th time this year )

Amazon Best Seller We did again:) Our award winning book Cybersecurity Attack and Defense Strategies Books hits this month, Amazon's Best Selling list. Yuri and I are really proud and of course Thankful for all your support buying the book, taking time to share your feedback and pushing us to be better, Thank you dear readers we appreciate it Yuri and Erdal Amazon...