- 'Worse Than KRACK' -- Google And Microsoft Hit By Massive 5-Year-Old Encryption Hole. Thanks to the bug, it's possible to calculate someone's private key by just having the public key. https://www.forbes.com/sites/thomasbrewster/2017/10/16/worse-than-krack-google-and-microsoft-patch-massive-5-year-old-encryption-hole/#146cbd4c47c3 67 comments technology