FBI has published a Private Industry Notification (PIN) observing Cybercriminals are focusing to target employees of companies worldwide who maintain network access and an ability to escalate network privilege. The FBI also encourages the recipients to report information concerning suspicious or criminal activity to their local FBI field office. As of December 2019, cybercriminals work together to target both US-based and international-based employees at large companies using social engineering techniques. Vishing attacks are voice phishing, which occurs during a phone call to users of VoIP platforms. During the phone calls, employees were tricked into logging into a phishing webpage.”]
Source: https://gbhackers.com/attackers-exploit-network-access/