Security professionals rely on the implementation of multifactor authentication (MFA) to defend against phishing attacks and intrusions. Unfortunately, we can’t completely rely on MFA to protect us as threat actors (more specifically, ShinyHunters) are now targeting companies in technology, financial services, real estate, energy, healthcare, logistics, and retail with synchronized vishing-phishing attacks.

The newest attacks

On July 29, 2025, the Cybersecurity & Infrastructure Security Agency (CISA), along with the Federal Bureau of Investigation, Canadian Centre for Cyber Security, Royal Canadian Mounted Police, the Australian Cyber Security Centre’s Australian Signals Directorate, and the Australian Federal Police and National Cyber Security Centre, issued an updated advisory on threat actor Scattered Spider, which