Answer: encrypts

AnswerCrossword Clue
ENCRYPTSRenders unreadable
ENCRYPTSCodes
ENCRYPTSDisguises, in a way
ENCRYPTSRenders unreadable, as data
ENCRYPTSRewrites with new characters, perhaps
encryptsENCRYPT, to put a message into code
encryptsConceal information or data in something by this means
encryptsConvert (information or data) into a cipher or code, esp. to prevent unauthorized access