Summarize this content to a maximum of 60 words: WinRAR users have been urged to update after a patch was issued for a serious vulnerability.
Former U.S. Soldier Pleads Guilty to Hacking and Extortion Scheme Involving Telecommunications Companies
Cameron John Wagenius, 21, a former Army soldier most recently stationed in Texas, pleaded guilty on July 15 to conspiring to hack into telecommunications companies’