Not even a week has passed since I was writing about “Not yet worried about vehicle hacking? You should be!” and we see in the news that at Blackhat that exactly this is happening. At BlackHat USA this week, the security researchers Charlie Miller and Chris Valasek are scheduled to present their latest findings in the world of car hacking. Again ! Miller and Valasek have already made names for themselves last year with the dramatic hacking of Jeep Cherokee, a interfering with its entertainment system, engine and brakes, while it was being driven down a busy highway at 70mph. Fiat Chrysler announced back then a safety recall of 1.4 million vehicles. Now, the situation changed. “By sending carefully crafted messages on the vehicle’s internal network known as a CAN bus, they’re now able to pull off even more dangerous, unprecedented tricks like causing unintended acceleration and slamming on the car’s brakes or turning the vehicle’s steering wheel at any speed.”(Wired) Watch for yourself the movies on YouTube:   What does this mean? Thankfully, their previous work helped Chrysler create a security update to fix the flaw that gave them their earlier, remote access to the Jeep’s guts. This new hack, however, is…