Black Arrow Cyber Threat Briefing 21 May 2021: Ransomware Attacks Are Spiking. Is Your Company Prepared?; Ban Ransom Payments To Hackers, Urges Ex-GCHQ Boss; How Penetration Testing Can Promote A False Sense Of Security; Ransomware’s New Swindle - Triple Extortion; ‘It’s A Battle, It’s Warfare’ - Experts Seek To Defeat Ransomware Attackers; 5 Reasons Why Enterprises Need Cyber Security Awareness And Training; 10 Emerging Cyber Security Trends To Watch In 2021