G
PHYSICS
G
PHYSICS
G06
COMPUTING OR CALCULATING; COUNTING
G06
COMPUTING OR CALCULATING; COUNTING
G06F
ELECTRIC DIGITAL DATA PROCESSING
G06F
ELECTRIC DIGITAL DATA PROCESSING
G06F21/00
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
G06F21/00
Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
G06F21/60
Protecting data
G06F21/60
Protecting data
G06F21/62
Protecting access to data via a platform, e.g. using keys or access control rules
G06F21/62
Protecting access to data via a platform, e.g. using keys or access control rules
G06F21/6218
to a system of files or objects, e.g. local or distributed file system or database
G06F21/6218
to a system of files or objects, e.g. local or distributed file system or database