Summary of Kim Zetter's Countdown to Zero Day

Please note: This is a companion version & not the original book. #1 In 2010, Sergey Ulasen, head of the antivirus division of a small computer security firm in Belarus, found a computer virus that used a rootkit to cloak itself and make it invisible to antivirus engines. It used a shrewd zero-day exploit to spread from machine to machine. #2 The mystery files came to the attention of VirusBlokAda when a reseller in Iran reported a persistent problem with a customer’s machine. The computer w