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Mark Kreitzman

1 episode on The Web Talk Show

Mark Kreitzman is Chief Cyber Evangelist at Efani, a mobile carrier built to stop SIM swap attacks. He has worked in telecom and cybersecurity since the late 90s, including at AT&T, Global Crossing and security startups later bought by Microsoft and Cisco.

Cybersecurity SIM SwapMobile Security Privacy The Web Talk Show

Episodes

EP 110

Hackers took over his phone number for 61 minutes

Mark Kreitzman of Efani shares how a SIM swap took over his phone number in 61 minutes, and why a mobile carrier built for security can stop that attack.

Oct 18, 2026 ยท 2:37:09 ยท with Mark Kreitzman
CybersecuritySIM SwapMobile Security +2
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