Black Arrow Cyber Threat Briefing 25 June 2021: BEC Losses Top $1.8B As Tactics Evolve; 30M Dell Devices At Risk For Remote BIOS Attacks, Remote Code Exploits; Bad Employee Behaviours Picked Up During Remote Working Pose Serious Security Risks; Ways Technical Debt Increases Security Risk; Orgs Ill-Equipped To Deal With Growing BYOD Security Threats; Firewall Manufacturer Sees 226.3 Million Ransomware Attack Attempts This Year; Ransomware Criminals Look To Other Hackers To Provide Them With Network Access