Question

why firewalls failed to detect randsomware in the recent past??​

Answer 1

Answer:

Because Ransomware is primarily delivered via a phishing email, which means your users have to be trained to identify it in order to prevent it, making antivirus ineffective at stopping ransomware. … An important layer in any company’s security stack is the last line of defense — the human firewall that can be trained to detect a phishing email