Cyber Lettre 309 Reports Multiple Cybersecurity Incidents

Cyber Lettre 309 from March 28, 2025 reports several cybersecurity incidents. The Trump administration made a major security error, according to a warning from the Pentagon. A study by Kaspersky reveals that 71% of Millennials do not always verify the identity of their online contacts, highlighting a lack of discernment. An awareness campaign against phishing in middle and high schools showed that 1 in 12 students clicked on a fraudulent email. A cyberattack hit Harvest, compromising data from Caisse d'Épargne, Banque Populaire, and MAIF. A new mail scam involving blank cards and QR codes is spreading in France.