L' INTELLIGENCE CYBER par Jean-Paul Pinte

America’s National Security Agency (NSA) spends upwards of $25m in a year buying previously undisclosed security vulnerabilities – known as zero days, because that’s the length of time the target has had to fix them – but the large investment may not result in as much of a collection of hacking capabilities as is widely assumed.

https://www.theguardian.com/technology/2016/aug/06/nsa-zero-days-stockpile-security-vulnerability-defcon