It became a national holiday in 1948, but it has been a day of celebration in Japan since ancient times. The fifth day of the fifth month was traditionally called Tango no Sekku and was a festival for boys. Girls have their own festival, called Hina Matsuri (Doll Festival), held on the third day of the third month.
Expressions full disk encryption (FDE) or whole disk encryption signify that everything on disk is encrypted, but the master boot record (MBR), or similar area of a bootable disk, with code that starts the operating system loading sequence, is not encrypted.
By all means use full disk encryption to protect against the physical theft of your computer. Donât pretend it will protect you from the government. If you live in the UK, you must now give up your passwords on demand. Refusing to do so is a refusal to cooperate with the police in a criminal investigation.