Chip Security Flaws

Jan 2018 opens with some potentially significant flaws in computer security at the chip level.
Describes the "SPECTER" and "MELTDOWN" flaws that occur in some, or all microprocessors.
These allow access to protected data (passwords for example) by unauthorized persons as a side
effect of the way processor conditional processing occurs (a technique used to improve performance.)
[My understanding, the actually mechanisms may be different]