decryption key

HSE CEO Paul Reid says process...

HSE CEO Paul Reid says process of decrypting stolen data is 'fraught with risk'

HSE 'can't just unlock system...

HSE 'can't just unlock system and turn it back on' with decryption key - Smyth

Criminal community 'really ann...

Criminal community 'really annoyed' at HSE attack may have provided decryption key