A blog site with someone's opinion is a weak source since anyone could have written it. The information is not easily verifiable.
means of compromising computer security by restarting the computer
Cold boot attack
Seitenkanalattacke in der Kryptographie
冷启动攻击
Ataque de arranque en frío
November 2018
Kaltstartattacke
Attaque par démarrage à froid