Hackers impersonate Microsoft Teams help desk to breach corporate networks

Multiple security developments: researchers (Mandiant) found threat actors impersonating Microsoft Teams help-desk staff to social-engineer victims into installing info‑stealing malware targeting corporate networks. ADT disclosed a cyber intrusion that exfiltrated a limited set of customer and prospective‑customer data. U.S. officials warn of an ongoing Iranian cyber threat characterized more by opportunistic, low‑and‑slow intrusions than one-off “shock and awe” campaigns. Separately, U.S. defense leaders are wrestling with hardening AI and autonomous weapons systems, and Norway’s PM proposed,