US Warns of Major Iranian Cyberattack Threat; High Alert Issued

• US intelligence agencies warn of potential major cyberattacks from Iran following Ayatollah Khamenei's death.
• Warnings issued to US companies, government institutions, and critical infrastructure to strengthen network security.
• Iranian religious leaders issued fatwas calling for revenge, and the IRGC threatened global insecurity for enemies.
• FBI raised alert level nationwide, focusing on energy infrastructure, government, and border security.
• Financial sector and defense contractors with Israeli ties are identified as high-risk targets for Iran-backed cyber groups.