Jester Jester A jester, court jester, or fool, was historically an entertainer during the medieval and Renaissance eras who was a member of the household of a nobleman or a monarch employed to entertain him and his guests. A jester was also an itinerant performer who entertained common folk at fairs and markets. Jesters are also modern-day entertainers who resemble their historical counterparts. Jesters in medieval times are often thought to have worn brightly coloured clothes and eccentric hats in a motley pattern and their modern counterparts usually mimic this costume. Jesters entertained with a wide variety of skills: principal among
The Jester (hacktivist) QR code ran quietly for five days before a Twitter user going by the moniker @RootDial noticed the embedded code and mentioned it. In those five days, The Jester wrote "Over 1,200 curious netizens scanned the QR code . . . Of those, over 500 devices reverse-shelled back to the listening server. Of those, a significant number were on the '[hit]-list' and as such treated as valid targets." On March 12, The Jester posted an encrypted file containing the data harvested from his QR code. In a private communication, SecurityNewsDaily asked The Jester why he'd encrypted the information rather than