TK Keanini is a Principal Engineer and Product Line CTO for Security Analytics at Cisco Systems. He discussed Cisco's threat intelligence capabilities including over 250 threat intelligence researchers, millions of telemetry agents, over 1 billion daily web requests monitored, and over 20 billion threats blocked annually. He also discussed how Cisco shares threat intelligence through programs like Talos and partnerships with over 500 participants. Keanini advocated for stronger password strategies, easy backup solutions, and implementing visibility tools to improve cybersecurity defenses and make it more difficult for cybercriminals to operate profitably.