How it really happened : NINJIO Season 10, Episode 8, BADGES?

BADGES?
Security Topic: Employee Impersonation Vishing
NINJIO Season 10: Episode 8
British retailer Marks & Spencer, “M&S,” lost £300 million in operating profit and disruption to online services due to a recent cyberattack. In this episode, viewers learn about the dangers of targeted voice phishing, or “vishing,” scams. 
Additional Reading 
M&S’ $400 million cyberattack upheaval to linger into July – Reuters 
How a 141-Year-Old British Giant, Marks & Spencer, Was Brought Down by a Social Engineering-Driven Ransomware Attack – LinkedIn 
Tips for Detecting and Preventing Multi-Channel Impersonation Attacks – Cyber Defense Magazine 
How to recognize a vishing scam and protect yourself from attack – CNBC