The Oxford English Dictionary has taken note of some IT related words.
For 1, Ransomware is defined now as:
A type of malicious software designed to block access to a computer system until a sum of money is paid.
Another new word is “esc”, that is coined by Apple devices. Instead of “Esc” which would be for the PC’s (Dell, HP, etc)
Also “Selfie” and something sounding like someones grandad would use “e-shopping” got into the OED