SANS Institute on Twitter: "SANS #HolidayHack Challenge, Santa has added two new bonus challenges associated with the Log4j vulnerability: one blue & one red! Use this free hands-on lab experience to build your Log4j analysis skills, available exclusively at the North Pole via https://t.co/ETQPXV3Vhp https://t.co/Nd3CQ4o4vF" / Twitter